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Prot T, Korving L, Dugulan AI, Goubitz K, van Loosdrecht MCM. Vivianite scaling in wastewater treatment plants: Occurrence, formation mechanisms and mitigation solutions. Water Res 2021; 197:117045. [PMID: 33845278 DOI: 10.1016/j.watres.2021.117045] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/15/2021] [Revised: 03/03/2021] [Accepted: 03/11/2021] [Indexed: 06/12/2023]
Abstract
The presence of soluble iron and phosphorus in wastewater sludge can lead to vivianite scaling. This problem is not often reported in literature, most likely due to the difficult identification and quantification of this mineral. It is usually present as a hard and blue deposit that can also be brown or black depending on its composition and location. From samples and information gathered in 14 wastewater treatment plants worldwide, it became clear that vivianite scaling is common and can cause operational issues. Vivianite scaling mainly occurred in 3 zones, for which formation hypotheses were discussed. Firstly, iron reduction seems to be the trigger for scaling in anaerobic zones like sludge pipes, mainly after sludge thickening. Secondly, pH increase was evaluated to be the major cause for the formation of a mixed scaling (a majority of oxidized vivianite with some iron hydroxides) around dewatering centrifuges of undigested sludge. Thirdly, the temperature dependence of vivianite solubility appears to be the driver for vivianite deposition in heat exchanger around mesophilic digesters (37 °C), while higher temperatures potentially aggravate the phenomenon, for instance in thermophilic digesters. Mitigation solutions like the use of buffer tanks or steam injections are discussed. Finally, best practices for safe mixing of sludges with each other are proposed, since poor admixing can contribute to scaling aggravation. The relevance of this study lays in the occurrence of ironphosphate scaling, while the use of iron coagulants will probably increase in the future to meet more stringent phosphorus discharge limits.
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Affiliation(s)
- T Prot
- Wetsus, European Centre Of Excellence for Sustainable Water Technology, Oostergoweg 9, 8911 MA, Leeuwarden, Netherlands; Dept. Biotechnology, Delft University of Technology, Van der Maasweg 9, 2629 HZ Delft, Netherlands.
| | - L Korving
- Wetsus, European Centre Of Excellence for Sustainable Water Technology, Oostergoweg 9, 8911 MA, Leeuwarden, Netherlands
| | - A I Dugulan
- Fundamental Aspects Mat & Energy Group, Delft University of Technology, Mekelweg 15, 2629 JB Delft, Netherlands
| | - K Goubitz
- Fundamental Aspects Mat & Energy Group, Delft University of Technology, Mekelweg 15, 2629 JB Delft, Netherlands
| | - M C M van Loosdrecht
- Dept. Biotechnology, Delft University of Technology, Van der Maasweg 9, 2629 HZ Delft, Netherlands
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2
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Prot T, Wijdeveld W, Eshun LE, Dugulan AI, Goubitz K, Korving L, Van Loosdrecht MCM. Full-scale increased iron dosage to stimulate the formation of vivianite and its recovery from digested sewage sludge. Water Res 2020; 182:115911. [PMID: 32619681 DOI: 10.1016/j.watres.2020.115911] [Citation(s) in RCA: 41] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/28/2019] [Revised: 04/30/2020] [Accepted: 05/02/2020] [Indexed: 06/11/2023]
Abstract
The recovery of phosphorus from secondary sources like sewage sludge is essential in a world suffering from resources depletion. Recent studies have demonstrated that phosphorus can be magnetically recovered as vivianite (Fe(II)3(PO4)2∗8H2O) from the digested sludge (DS) of Waste Water Treatment Plants (WWTP) dosing iron. To study the production of vivianite in digested sludge, the quantity of Fe dosed at the WWTP of Nieuwveer (The Netherlands) was increased (from 0.83 to 1.53 kg Fe/kg P in the influent), and the possible benefits for the functioning of the WWTP were evaluated. Higher Fe dosing is not only relevant for P-recovery, but also for maximal recovery of organics from influent for e.g. biogas production. The share of phosphorus present as vivianite in the DS increased from 20% to 50% after the increase in Fe dosing, making more phosphorus available for future magnetic recovery. This increase was directly proportional to the increase of Fe in DS, suggesting that vivianite could be favored not only thermodynamically, but also kinetically. Interestingly, analyses suggest that several types of vivianite are formed in the WWTP, and could differ in their purity, oxidation state or crystallinity. These differences could have an impact on the subsequent magnetic separation. Following the Fe dosing increase, P in the effluent and H2S in the biogas both decreased: 1.28 to 0.42 ppm for P and 26 to 8 ppm for H2S. No negative impact on the nitrogen removal, biogas production, COD removal or dewaterability was observed. Since quantification of vivianite in DS is complicated, previous studies were reviewed and we proposed a more accurate Mössbauer spectroscopy analysis and fitting for sludge samples. This study is important from a P recovery point of view, but also because iron addition can play a crucial role in future resource recovery wastewater facilities.
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Affiliation(s)
- T Prot
- Wetsus, European Centre Of Excellence for Sustainable Water Technology, Oostergoweg 9, 8911, MA, Leeuwarden, the Netherlands; Dept. Biotechnology, Delft University of Technology, Van der Maasweg 9, 2629, HZ Delft, the Netherlands.
| | - W Wijdeveld
- Wetsus, European Centre Of Excellence for Sustainable Water Technology, Oostergoweg 9, 8911, MA, Leeuwarden, the Netherlands
| | - L Ekua Eshun
- Wetsus, European Centre Of Excellence for Sustainable Water Technology, Oostergoweg 9, 8911, MA, Leeuwarden, the Netherlands
| | - A I Dugulan
- Fundamental Aspects Mat & Energy Group, Delft University of Technology, Mekelweg 15, 2629, JB Delft, the Netherlands
| | - K Goubitz
- Fundamental Aspects Mat & Energy Group, Delft University of Technology, Mekelweg 15, 2629, JB Delft, the Netherlands
| | - L Korving
- Wetsus, European Centre Of Excellence for Sustainable Water Technology, Oostergoweg 9, 8911, MA, Leeuwarden, the Netherlands
| | - M C M Van Loosdrecht
- Dept. Biotechnology, Delft University of Technology, Van der Maasweg 9, 2629, HZ Delft, the Netherlands
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3
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Wilfert P, Meerdink J, Degaga B, Temmink H, Korving L, Witkamp GJ, Goubitz K, van Loosdrecht MCM. Sulfide induced phosphate release from iron phosphates and its potential for phosphate recovery. Water Res 2020; 171:115389. [PMID: 31864132 DOI: 10.1016/j.watres.2019.115389] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/16/2019] [Revised: 12/01/2019] [Accepted: 12/10/2019] [Indexed: 06/10/2023]
Abstract
Sulfide is frequently suggested as a tool to release and recover phosphate from iron phosphate rich waste streams, such as sewage sludge, although systematic studies on mechanisms and efficiencies are missing. Batch experiments were conducted with different synthetic iron phosphates (purchased Fe(III)P, Fe(III)P synthesized in the lab and vivianite, Fe(II)3(PO4)2*8H2O), various sewage sludges (with different molar Fe:P ratios) and sewage sludge ash. When sulfide was added to synthetic iron phosphates (molar Fe:S = 1), phosphate release was completed within 1 h with a maximum release of 92% (vivianite), 60% (purchased Fe(III)P) and 76% (synthesized Fe(III)P). In the latter experiment, rebinding of phosphate to Fe(II) decreased net phosphate release to 56%. Prior to the re-precipitation, phosphate release was very efficient (P released/S input) because it was driven by Fe(III) reduction and not by, more sulfide demanding, FeSx formation. This was confirmed in low dose sulfide experiments without significant FeSx formation. Phosphate release from vivianite was very efficient because sulfide reacts directly (1:1) with Fe(II) to form FeSx, without Fe(III) reduction. At the same time vivianite-Fe(II) is as efficient as Fe(III) in binding phosphate. From digested sewage sludge, sulfide dissolved maximally 30% of all phosphate, from the sludge with the highest iron content which was not as high as suggested in earlier studies. Sludge dewaterability (capillary suction test, 0.13 ± 0.015 g2(s2m4)-1) dropped significantly after sulfide addition (0.06 ± 0.004 g2(s2m4)-1). Insignificant net phosphate release (1.5%) was observed from sewage sludge ash. Overall, sulfide can be a useful tool to release and recover phosphate bound to iron from sewage sludge. Drawbacks -deterioration of the dewaterability and a net phosphate release that is lower than expected-need to be investigated.
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Affiliation(s)
- P Wilfert
- Wetsus, European Centre of Excellence for Sustainable Water Technology, Oostergoweg 7, 8911 MA, Leeuwarden, the Netherlands; Dept. Biotechnology, Delft University of Technology, Van der Maasweg 9, 2629 HZ, Delft, the Netherlands
| | - J Meerdink
- Wetsus, European Centre of Excellence for Sustainable Water Technology, Oostergoweg 7, 8911 MA, Leeuwarden, the Netherlands
| | - B Degaga
- Wetsus, European Centre of Excellence for Sustainable Water Technology, Oostergoweg 7, 8911 MA, Leeuwarden, the Netherlands
| | - H Temmink
- Sub-department of Environmental Technology, Wageningen University, P.O. Box 8129, 6700 EV, Wageningen, the Netherlands
| | - L Korving
- Wetsus, European Centre of Excellence for Sustainable Water Technology, Oostergoweg 7, 8911 MA, Leeuwarden, the Netherlands
| | - G J Witkamp
- Dept. Biotechnology, Delft University of Technology, Van der Maasweg 9, 2629 HZ, Delft, the Netherlands; Division of Biological and Environmental Science and Engineering (BESE), Water Desalination and Reuse Centre (WDRC), King Abdullah University of Science and Technology (KAUST), Thuwal, 23955-6900, Saudi Arabia
| | - K Goubitz
- Fundamental Aspects Mat & Energy Grp, Delft University of Technology, Mekelweg 15, 2629 JB, Delft, the Netherlands
| | - M C M van Loosdrecht
- Dept. Biotechnology, Delft University of Technology, Van der Maasweg 9, 2629 HZ, Delft, the Netherlands.
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Wang R, Wilfert P, Dugulan I, Goubitz K, Korving L, Witkamp GJ, van Loosdrecht MC. Fe(III) reduction and vivianite formation in activated sludge. Sep Purif Technol 2019. [DOI: 10.1016/j.seppur.2019.03.024] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
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Smith A, Kauric G, van Eijck L, Goubitz K, Clavier N, Wallez G, Konings R. Structural and thermodynamic study of Cs3Na(MoO4)2: Margin to the safe operation of sodium cooled fast reactors. J SOLID STATE CHEM 2019. [DOI: 10.1016/j.jssc.2018.08.033] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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6
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Wilfert P, Dugulan AI, Goubitz K, Korving L, Witkamp GJ, Van Loosdrecht MCM. Vivianite as the main phosphate mineral in digested sewage sludge and its role for phosphate recovery. Water Res 2018; 144:312-321. [PMID: 30053622 DOI: 10.1016/j.watres.2018.07.020] [Citation(s) in RCA: 104] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/27/2017] [Revised: 07/04/2018] [Accepted: 07/07/2018] [Indexed: 05/03/2023]
Abstract
Phosphate recovery from sewage sludge is essential in a circular economy. Currently, the main focus in centralized municipal wastewater treatment plants (MWTPs) lies on struvite recovery routes, land application of sludge or on technologies that rely on sludge incineration. These routes have several disadvantages. Our study shows that the mineral vivianite, Fe2(PO4)3 × 8H2O, is present in digested sludge and can be the major form of phosphate in the sludge. Thus, we suggest vivianite can be the nucleus for alternative phosphate recovery options. Excess and digested sewage sludge was sampled from full-scale MWTPs and analysed using x-ray diffraction (XRD), conventional scanning electron microscopy with energy dispersive X-ray spectroscopy (SEM-EDX), environmental SEM-EDX (eSEM-EDX) and Mössbauer spectroscopy. Vivianite was observed in all plants where iron was used for phosphate removal. In excess sludge before the anaerobic digestion, ferrous iron dominated the iron pool (≥50%) as shown by Mössbauer spectroscopy. XRD and Mössbauer spectroscopy showed no clear correlation between vivianite bound phosphate versus the iron content in excess sludge. In digested sludge, ferrous iron was the dominant iron form (>85%). Phosphate bound in vivianite increased with the iron content of the digested sludge but levelled off at high iron levels. 70-90% of all phosphate was bound in vivianite in the sludge with the highest iron content (molar Fe:P = 2.5). The quantification of vivianite was difficult and bears some uncertainty probably because of the presence of impure vivianite as indicated by SEM-EDX. eSEM-EDX indicates that the vivianite occurs as relatively small (20-100 μm) but free particles. We envisage very efficient phosphate recovery technologies that separate these particles based on their magnetic properties from the complex sludge matrix.
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Affiliation(s)
- P Wilfert
- Wetsus, European Centre of Excellence for Sustainable Water Technology, Oostergoweg 7, 8911, MA, Leeuwarden, The Netherlands; Dept. Biotechnology, Delft University of Technology, Van der Maasweg 9, 2629, HZ, Delft, The Netherlands
| | - A I Dugulan
- Fundamental Aspects Mat & Energy Group, Delft University of Technology, Mekelweg 15, 2629, JB, Delft, The Netherlands
| | - K Goubitz
- Fundamental Aspects Mat & Energy Group, Delft University of Technology, Mekelweg 15, 2629, JB, Delft, The Netherlands
| | - L Korving
- Wetsus, European Centre of Excellence for Sustainable Water Technology, Oostergoweg 7, 8911, MA, Leeuwarden, The Netherlands.
| | - G J Witkamp
- Dept. Biotechnology, Delft University of Technology, Van der Maasweg 9, 2629, HZ, Delft, The Netherlands
| | - M C M Van Loosdrecht
- Dept. Biotechnology, Delft University of Technology, Van der Maasweg 9, 2629, HZ, Delft, The Netherlands
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7
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Reiss CA, Mechelen JBV, Goubitz K, Peschar R. Reassessment of paracetamol orthorhombic Form III and determination of a novel low-temperature monoclinic Form III-m from powder diffraction data. Acta Crystallogr C Struct Chem 2018; 74:392-399. [PMID: 29504571 DOI: 10.1107/s2053229618002619] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/17/2017] [Accepted: 02/13/2018] [Indexed: 11/11/2022]
Abstract
Paracetamol [N-(4-hydroxyphenyl)acetamide, C8H9NO2] has several polymorphs, just like many other drugs. The most stable polymorphs, denoted Forms I and II, can be obtained easily and their crystal structures are known. Crystals of the orthorhombic, less stable, room-temperature Form III are difficult to grow; they need a special recipe to crystallize and suffer from severe preferred orientation. A crystal structure model of Form III has been proposed and solved from a combination of structure prediction and powder X-ray diffraction (PXRD) [Perrin et al. (2009). Chem. Commun. 22, 3181-3183]. The final Rwp value of 0.138 and the corresponding considerable residual trace were reasons to check its validity. A new structure determination of Form III using new high-resolution PXRD data led to a final Rwp value of 0.042 and an improvement of the earlier proposed model. In addition, a reversible phase transition was found at 170-220 K between the orthorhombic Form III and a novel monoclinic Form III-m. The crystal structure of Form III-m has been determined and refined from PXRD data to a final Rwp value of 0.059.
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Affiliation(s)
| | | | - Kees Goubitz
- Technical University Delft, Faculty of Applied Sciences, Department of Radiation Science and Technology-Fundamental Aspects of Materials and Energy (FAME), Mekelweg 15, 2629JB Delft, The Netherlands
| | - René Peschar
- University of Amsterdam, Faculty of Humanities, Conservation and Restoration of Cultural Heritage, Johannes Vermeerplein 1, 1071DV Amsterdam, The Netherlands
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Smith A, Kauric G, van Eijck L, Goubitz K, Wallez G, Griveau JC, Colineau E, Clavier N, Konings R. Structural and thermodynamic study of dicesium molybdate Cs2Mo2O7: Implications for fast neutron reactors. J SOLID STATE CHEM 2017. [DOI: 10.1016/j.jssc.2017.05.032] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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9
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Wilfert P, Mandalidis A, Dugulan AI, Goubitz K, Korving L, Temmink H, Witkamp GJ, Van Loosdrecht MCM. Vivianite as an important iron phosphate precipitate in sewage treatment plants. Water Res 2016; 104:449-460. [PMID: 27579874 DOI: 10.1016/j.watres.2016.08.032] [Citation(s) in RCA: 85] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/23/2016] [Revised: 08/08/2016] [Accepted: 08/18/2016] [Indexed: 06/06/2023]
Abstract
Iron is an important element for modern sewage treatment, inter alia to remove phosphorus from sewage. However, phosphorus recovery from iron phosphorus containing sewage sludge, without incineration, is not yet economical. We believe, increasing the knowledge about iron-phosphorus speciation in sewage sludge can help to identify new routes for phosphorus recovery. Surplus and digested sludge of two sewage treatment plants was investigated. The plants relied either solely on iron based phosphorus removal or on biological phosphorus removal supported by iron dosing. Mössbauer spectroscopy showed that vivianite and pyrite were the dominating iron compounds in the surplus and anaerobically digested sludge solids in both plants. Mössbauer spectroscopy and XRD suggested that vivianite bound phosphorus made up between 10 and 30% (in the plant relying mainly on biological removal) and between 40 and 50% of total phosphorus (in the plant that relies on iron based phosphorus removal). Furthermore, Mössbauer spectroscopy indicated that none of the samples contained a significant amount of Fe(III), even though aerated treatment stages existed and although besides Fe(II) also Fe(III) was dosed. We hypothesize that chemical/microbial Fe(III) reduction in the treatment lines is relatively quick and triggers vivianite formation. Once formed, vivianite may endure oxygenated treatment zones due to slow oxidation kinetics and due to oxygen diffusion limitations into sludge flocs. These results indicate that vivianite is the major iron phosphorus compound in sewage treatment plants with moderate iron dosing. We hypothesize that vivianite is dominating in most plants where iron is dosed for phosphorus removal which could offer new routes for phosphorus recovery.
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Affiliation(s)
- P Wilfert
- Wetsus, European Centre of Excellence for Sustainable Water Technology, Oostergoweg 7, 8911 MA, Leeuwarden, The Netherlands; Dept. Biotechnology, Delft Univ Technol, Van der Maasweg 9, 2629 HZ Delft, The Netherlands
| | - A Mandalidis
- Wetsus, European Centre of Excellence for Sustainable Water Technology, Oostergoweg 7, 8911 MA, Leeuwarden, The Netherlands
| | - A I Dugulan
- Fundamental Aspects Mat & Energy Grp, Delft Univ Technol, Mekelweg 15, 2629 JB Delft, The Netherlands
| | - K Goubitz
- Fundamental Aspects Mat & Energy Grp, Delft Univ Technol, Mekelweg 15, 2629 JB Delft, The Netherlands
| | - L Korving
- Wetsus, European Centre of Excellence for Sustainable Water Technology, Oostergoweg 7, 8911 MA, Leeuwarden, The Netherlands.
| | - H Temmink
- Wetsus, European Centre of Excellence for Sustainable Water Technology, Oostergoweg 7, 8911 MA, Leeuwarden, The Netherlands; Sub-department of Environmental Technology, Wageningen University, P.O. Box 8129, 6700 EV Wageningen, The Netherlands
| | - G J Witkamp
- Dept. Biotechnology, Delft Univ Technol, Van der Maasweg 9, 2629 HZ Delft, The Netherlands
| | - M C M Van Loosdrecht
- Dept. Biotechnology, Delft Univ Technol, Van der Maasweg 9, 2629 HZ Delft, The Netherlands
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Affiliation(s)
- Karolis Vilcinskas
- Department
of Chemical Engineering, Delft University of Technology, Julianalaan
136, 2628 BL Delft, The Netherlands
| | - Ben Norder
- Department
of Chemical Engineering, Delft University of Technology, Julianalaan
136, 2628 BL Delft, The Netherlands
| | - Kees Goubitz
- Department
of Radiation Science and Technology, Delft University of Technology, Mekelweg 15, 2629 JB Delft, The Netherlands
| | - Fokko M. Mulder
- Department
of Chemical Engineering, Delft University of Technology, Julianalaan
136, 2628 BL Delft, The Netherlands
| | - Ger J. M. Koper
- Department
of Chemical Engineering, Delft University of Technology, Julianalaan
136, 2628 BL Delft, The Netherlands
| | - Stephen J. Picken
- Department
of Chemical Engineering, Delft University of Technology, Julianalaan
136, 2628 BL Delft, The Netherlands
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11
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Ganapathy S, Adams BD, Stenou G, Anastasaki MS, Goubitz K, Miao XF, Nazar LF, Wagemaker M. Nature of Li2O2 Oxidation in a Li–O2 Battery Revealed by Operando X-ray Diffraction. J Am Chem Soc 2014; 136:16335-44. [DOI: 10.1021/ja508794r] [Citation(s) in RCA: 247] [Impact Index Per Article: 24.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Swapna Ganapathy
- Fundamental
Aspects of Materials and Energy, Department of Radiation Science and
Technology, Faculty of Applied Sciences, Delft University of Technology, Mekelweg 15, 2629 JB, Delft, The Netherlands
| | - Brian D. Adams
- Department
of Chemistry and the Waterloo Institute for Nanotechnology, University of Waterloo, Waterloo, Ontario N2L 3G1, Canada
| | - Georgiana Stenou
- Fundamental
Aspects of Materials and Energy, Department of Radiation Science and
Technology, Faculty of Applied Sciences, Delft University of Technology, Mekelweg 15, 2629 JB, Delft, The Netherlands
| | - Maria S. Anastasaki
- Fundamental
Aspects of Materials and Energy, Department of Radiation Science and
Technology, Faculty of Applied Sciences, Delft University of Technology, Mekelweg 15, 2629 JB, Delft, The Netherlands
| | - Kees Goubitz
- Fundamental
Aspects of Materials and Energy, Department of Radiation Science and
Technology, Faculty of Applied Sciences, Delft University of Technology, Mekelweg 15, 2629 JB, Delft, The Netherlands
| | - Xue-Fei Miao
- Fundamental
Aspects of Materials and Energy, Department of Radiation Science and
Technology, Faculty of Applied Sciences, Delft University of Technology, Mekelweg 15, 2629 JB, Delft, The Netherlands
| | - Linda F. Nazar
- Department
of Chemistry and the Waterloo Institute for Nanotechnology, University of Waterloo, Waterloo, Ontario N2L 3G1, Canada
| | - Marnix Wagemaker
- Fundamental
Aspects of Materials and Energy, Department of Radiation Science and
Technology, Faculty of Applied Sciences, Delft University of Technology, Mekelweg 15, 2629 JB, Delft, The Netherlands
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12
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Lutteke G, Kleinnijenhuis RA, Jacobs I, Wrigstedt PJ, Correia ACA, Nieuwenhuizen R, Buu Hue BT, Goubitz K, Peschar R, van Maarseveen JH, Hiemstra H. Intramolecular Butenolide Allene Photocycloadditions and Ensuing Retro-Ene Reactions of Some Photoadducts. European J Org Chem 2011. [DOI: 10.1002/ejoc.201100245] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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13
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Stunnenberg F, Cerfontain H, Goubitz K, Heydenrijk D, Stam CH. UV spectroscopy and structures of α-bis(methoxyimino)alkanes. ACTA ACUST UNITED AC 2010. [DOI: 10.1002/recl.19921110105] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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14
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Versloot P, Dargan P, Haasnoot JG, Reedijk J, van Duin M, Put J, Goubitz K. Reactivity of zinc dialkyldithiocarbamates towards halogen-substituted olefins. ACTA ACUST UNITED AC 2010. [DOI: 10.1002/recl.19931120502] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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15
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Driessen WL, Gorter S, Haanstra WG, Laarhoven LJJ, Reedijk J, Goubitz K, Seljée FR. Coordination properties of the didentate N,O ligand 1-(2-hydroxyethyl)-3,5-dimethylpyrazole (hl). Crystal structure of [Cu(HL)2
(NO3
)2
] and [Cu(L)Br]2. ACTA ACUST UNITED AC 2010. [DOI: 10.1002/recl.19931120506] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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16
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van Vliet MRP, Klaver WJ, Jastrzebski JTBH, van Koten G, Goubitz K. The unexpected formation of trans-β-lactams
in the reaction of α-iminoesters (RNC(H)C(O)OR′) with diethylzinc. Crystal structure of trans
-1-(N
-t
-butyl)-3-(N-t
-butyl-N-ethylamino)-4- methoxycarbonylazetidin-2-one. ACTA ACUST UNITED AC 2010. [DOI: 10.1002/recl.19871060405] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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17
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Jonker SA, Verhoeven JW, Reiss CA, Goubitz K, Heijdenrijk D. Cation complexation with functionalized 9-arylacridinium ions. Part II: Conformational and spectral response upon metal-ion complexation. ACTA ACUST UNITED AC 2010. [DOI: 10.1002/recl.19901090304] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Aalten HL, van Koten G, Tromp J, Stam CH, Goubitz K, Mak ANS, van der Kerk-van Hoof A. Dinuclear copper(I) benzoato quinoline complexes as intermediates in the copper-quinoline decarboxylation reaction. ACTA ACUST UNITED AC 2010. [DOI: 10.1002/recl.19891080903] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Mbwambo ZH, Foubert K, Chacha M, Kapingu MC, Magadula JJ, Moshi MM, Lemière F, Goubitz K, Fraanje J, Peschar R, Vlietinck A, Apers S, Pieters L. New furanoditerpenoids from Croton jatrophoides. Planta Med 2009; 75:262-267. [PMID: 19090454 DOI: 10.1055/s-0028-1088383] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
Four furanoditerpenoids were isolated from roots of Croton jatrophoides (Euphorbiaceae) collected in Tanzania. In addition to the known compounds penduliflaworosin and teucvin (mallotucin A), a new teucvin isomer, which was named isoteucvin, and a furanoditerpenoid with a new skeleton, for which the name jatrophoidin was adopted, were isolated. Their structures were elucidated by spectroscopic methods such as ESI-MS and NMR, including (1)H-, (13)C-, and two-dimensional NMR. The crystal structures of isoteucvin and jatrophoidin were solved using single-crystal X-ray diffraction, by which we also established the absolute configuration of jatrophoidin. The refined crystal structure of isoteucvin has the same (absolute) configuration as jatrophoidin, although the X-ray diffraction data of isoteucvin were not conclusive with respect to the absolute configuration.
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Affiliation(s)
- Zakaria H Mbwambo
- Institute of Traditional Medicine, Muhimbili University of Health and Allied Sciences, Dar es Salaam, Tanzania
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van Mechelen JB, Goubitz K, Pop M, Peschar R, Schenk H. Structures of mono-unsaturated triacylglycerols. V. The beta'(1)-2, beta'-3 and beta(2)-3 polymorphs of 1,3-dilauroyl-2-oleoylglycerol (LaOLa) from synchrotron and laboratory powder diffraction data. Acta Crystallogr B 2008; 64:771-9. [PMID: 19029706 DOI: 10.1107/s0108768108031601] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/06/2008] [Accepted: 09/30/2008] [Indexed: 11/11/2022]
Abstract
The crystal structures of the beta'(1)-2, the beta'-3 and the beta(2)-3 polymorphs of 1,3-dilauroyl-2-oleoylglycerol have been solved from powder diffraction data. The packing of the beta(2)-3 polymorph is similar to that of other cis mono-unsaturated triacylglycerols. Both the beta' polymorphs are crystallized in a novel type of packing in which one of the saturated lauroyl chains is packed side-by-side with part of the unsaturated oleoyl chain.
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Affiliation(s)
- Jan B van Mechelen
- University of Amsterdam, HIMS/FNWI/Kristallographie, Valckenierstraat 65, 1018 Xe Amsterdam, The Netherlands.
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Bacchi A, Balordi M, Cammi R, Elviri L, Pelizzi C, Picchioni F, Verdolino V, Goubitz K, Peschar R, Pelagatti P. Mechanistic Insights into Acetophenone Transfer Hydrogenation Catalyzed by Half-Sandwich Ruthenium(II) Complexes Containing 2-(Diphenylphosphanyl)aniline - A Combined Experimental and Theoretical Study. Eur J Inorg Chem 2008. [DOI: 10.1002/ejic.200800509] [Citation(s) in RCA: 44] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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22
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Reiss C, Goubitz K. X-ray non-ambient powder diffraction of paracetamol polymorph form III. Acta Crystallogr A 2008. [DOI: 10.1107/s0108767308079671] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022] Open
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23
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Biswas S, Haldar S, Mandal PK, Goubitz K, Schenk H, Dabrowski R. Crystal structure of a polar nematogen 4-(trans- 4-undecylcyclohexyl) isothiocyanatobenzene. Cryst Res Technol 2007. [DOI: 10.1002/crat.200710921] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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24
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Monsieurs K, Tapolcsányi P, Loones KT, Neumajer G, Dirk De Ridder J, Goubitz K, Lemière GL, Dommisse RA, Mátyus P, Maes BU. Is samoquasine A indeed benzo[f]phthalazin-4(3H)-one? Unambiguous, straightforward synthesis of benzo[f]phthalazin-4(3H)-one and its regioisomer benzo[f]phthalazin-1(2H)-one. Tetrahedron 2007. [DOI: 10.1016/j.tet.2007.02.031] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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25
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Mandal P, Paul S, Goubitz K, Schenik H. X-ray Structural Analysis of a Mesogenic Compound N,N′-Bis-(p-Butoxybenzylidene)-α,α′-bi-p-Toluidine. ACTA ACUST UNITED AC 2006. [DOI: 10.1080/10587259508034561] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Affiliation(s)
- P. Mandal
- a Department of Physics , North Bengal University , Siliguri , 734430 , India
| | - S. Paul
- a Department of Physics , North Bengal University , Siliguri , 734430 , India
| | - K. Goubitz
- b Crystallography Laboratory, University of Amsterdam , 1018WV , Amsterdam , The Netherlands
| | - H. Schenik
- b Crystallography Laboratory, University of Amsterdam , 1018WV , Amsterdam , The Netherlands
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Imhoff P, Asselt RV, Elsevier CJ, Vrieze K, Goubitz K, Van Malssen KF, Stam CH. SYNTHESIS, STRUCTURE AND REACTIVITY OF BIS(N-ARYL-IMINOPHOSPHORANYL)METHANES. X-RAY CRYSTAL STRUCTURES OF (4-CH3-C6H4-N˭PPh2)2CH2 AND (4-NO2-C6H4-N˭PPh2)2CH2. PHOSPHORUS SULFUR 2006. [DOI: 10.1080/10426509008037996] [Citation(s) in RCA: 35] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Affiliation(s)
- P. Imhoff
- a Anorganisch Chemisch Laboratorium , Universiteit van Amsterdam , Nieuwe Achtergracht 166, 1018WV , Amsterdam , The Netherlands
| | - R. Van Asselt
- a Anorganisch Chemisch Laboratorium , Universiteit van Amsterdam , Nieuwe Achtergracht 166, 1018WV , Amsterdam , The Netherlands
| | - C. J. Elsevier
- a Anorganisch Chemisch Laboratorium , Universiteit van Amsterdam , Nieuwe Achtergracht 166, 1018WV , Amsterdam , The Netherlands
| | - K. Vrieze
- a Anorganisch Chemisch Laboratorium , Universiteit van Amsterdam , Nieuwe Achtergracht 166, 1018WV , Amsterdam , The Netherlands
| | - K. Goubitz
- b Laboratorium voor Kristallografie , Universiteit van Amsterdam , Nieuwe Achtergracht 166, 1018WV , Amsterdam , The Netherlands
| | - K. F. Van Malssen
- b Laboratorium voor Kristallografie , Universiteit van Amsterdam , Nieuwe Achtergracht 166, 1018WV , Amsterdam , The Netherlands
| | - C. H. Stam
- b Laboratorium voor Kristallografie , Universiteit van Amsterdam , Nieuwe Achtergracht 166, 1018WV , Amsterdam , The Netherlands
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Holuigue A, Sirlin C, Pfeffer M, Goubitz K, Fraanje J, Elsevier CJ. Selective head-to-tail coupling of methyl phenylpropynoate providing palladacycles with bidentate N-ligands. Inorganica Chim Acta 2006. [DOI: 10.1016/j.ica.2005.06.058] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Kaletas BK, Joshi HC, van der Zwan G, Fanti M, Zerbetto F, Goubitz K, De Cola L, König B, Williams RM. Asymmetric Indolylmaleimide Derivatives and Their Complexation with Zinc(II)−Cyclen. J Phys Chem A 2005; 109:9443-55. [PMID: 16866393 DOI: 10.1021/jp054651z] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The spectroscopic properties of two asymmetric indolylmaleimide derivatives, 4-bromo-3-(1'H-indol-3'-yl)maleimide and 4-methyl-3-(1'H-indol-3'-yl)maleimide, are investigated. The bromo derivative was crystallized and its X-ray structure was determined. Both compounds are strongly colored while their separate components (indole and maleimide) absorb in the UV region only. To understand the ground- and excited-state behavior, the photophysical properties of the two compounds were studied in detail by steady state and time-resolved absorption and emission spectroscopy. Their solvatochromic behavior was investigated by using the Kamlet-Taft approach, which indicates some charge transfer (CT) character in the excited state. Nano- and femtosecond transient absorption spectroscopy was used for the identification and investigation of the CT state. Furthermore, the effect of the complexation with zinc(II) 1,4,7,11-tetraazacyclododecane (Zn-cyclen) on the photophysical properties of these two compounds was studied. An enhancement of the fluorescence intensity upon self-assembly (up to 90 times) and high association constants were observed, which illustrate the potential use of these compounds as luminescent sensors. DFT calculations indicate that HOMO-1 to LUMO excitation is mainly responsible for the charge transfer character and that this transition changes its character drastically when Zn-cyclen complexation occurs, thus giving it sensor properties.
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Affiliation(s)
- Basak Kükrer Kaletas
- Molecular Photonic Materials, van't Hoff Institute for Molecular Sciences, Universiteit van Amsterdam, Nieuwe Achtergracht 166, 1018 WS Amsterdam, The Netherlands
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van der Vlugt JI, van Duren R, Batema GD, den Heeten R, Meetsma A, Fraanje J, Goubitz K, Kamer PCJ, van Leeuwen PWNM, Vogt D. Platinum Complexes of Rigid Bidentate Phosphine Ligands in the Hydroformylation of 1-Octene. Organometallics 2005. [DOI: 10.1021/om050575a] [Citation(s) in RCA: 42] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Jarl Ivar van der Vlugt
- Schuit Institute of Catalysis, Laboratory of Homogeneous Catalysis, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands, Institute of Molecular Chemistry, University of Amsterdam, Nieuwe Achtergracht 166, Amsterdam, The Netherlands, Crystal Structure Center, Chemical Physics, Materials Science Center, University of Groningen, Nijenborgh 4, Groningen, The Netherlands, and Department of Crystallography, University of Amsterdam, Nieuwe Achtergracht 166, Amsterdam, The
| | - Ruben van Duren
- Schuit Institute of Catalysis, Laboratory of Homogeneous Catalysis, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands, Institute of Molecular Chemistry, University of Amsterdam, Nieuwe Achtergracht 166, Amsterdam, The Netherlands, Crystal Structure Center, Chemical Physics, Materials Science Center, University of Groningen, Nijenborgh 4, Groningen, The Netherlands, and Department of Crystallography, University of Amsterdam, Nieuwe Achtergracht 166, Amsterdam, The
| | - Guido D. Batema
- Schuit Institute of Catalysis, Laboratory of Homogeneous Catalysis, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands, Institute of Molecular Chemistry, University of Amsterdam, Nieuwe Achtergracht 166, Amsterdam, The Netherlands, Crystal Structure Center, Chemical Physics, Materials Science Center, University of Groningen, Nijenborgh 4, Groningen, The Netherlands, and Department of Crystallography, University of Amsterdam, Nieuwe Achtergracht 166, Amsterdam, The
| | - René den Heeten
- Schuit Institute of Catalysis, Laboratory of Homogeneous Catalysis, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands, Institute of Molecular Chemistry, University of Amsterdam, Nieuwe Achtergracht 166, Amsterdam, The Netherlands, Crystal Structure Center, Chemical Physics, Materials Science Center, University of Groningen, Nijenborgh 4, Groningen, The Netherlands, and Department of Crystallography, University of Amsterdam, Nieuwe Achtergracht 166, Amsterdam, The
| | - Auke Meetsma
- Schuit Institute of Catalysis, Laboratory of Homogeneous Catalysis, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands, Institute of Molecular Chemistry, University of Amsterdam, Nieuwe Achtergracht 166, Amsterdam, The Netherlands, Crystal Structure Center, Chemical Physics, Materials Science Center, University of Groningen, Nijenborgh 4, Groningen, The Netherlands, and Department of Crystallography, University of Amsterdam, Nieuwe Achtergracht 166, Amsterdam, The
| | - Jan Fraanje
- Schuit Institute of Catalysis, Laboratory of Homogeneous Catalysis, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands, Institute of Molecular Chemistry, University of Amsterdam, Nieuwe Achtergracht 166, Amsterdam, The Netherlands, Crystal Structure Center, Chemical Physics, Materials Science Center, University of Groningen, Nijenborgh 4, Groningen, The Netherlands, and Department of Crystallography, University of Amsterdam, Nieuwe Achtergracht 166, Amsterdam, The
| | - Kees Goubitz
- Schuit Institute of Catalysis, Laboratory of Homogeneous Catalysis, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands, Institute of Molecular Chemistry, University of Amsterdam, Nieuwe Achtergracht 166, Amsterdam, The Netherlands, Crystal Structure Center, Chemical Physics, Materials Science Center, University of Groningen, Nijenborgh 4, Groningen, The Netherlands, and Department of Crystallography, University of Amsterdam, Nieuwe Achtergracht 166, Amsterdam, The
| | - Paul C. J. Kamer
- Schuit Institute of Catalysis, Laboratory of Homogeneous Catalysis, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands, Institute of Molecular Chemistry, University of Amsterdam, Nieuwe Achtergracht 166, Amsterdam, The Netherlands, Crystal Structure Center, Chemical Physics, Materials Science Center, University of Groningen, Nijenborgh 4, Groningen, The Netherlands, and Department of Crystallography, University of Amsterdam, Nieuwe Achtergracht 166, Amsterdam, The
| | - Piet W. N. M. van Leeuwen
- Schuit Institute of Catalysis, Laboratory of Homogeneous Catalysis, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands, Institute of Molecular Chemistry, University of Amsterdam, Nieuwe Achtergracht 166, Amsterdam, The Netherlands, Crystal Structure Center, Chemical Physics, Materials Science Center, University of Groningen, Nijenborgh 4, Groningen, The Netherlands, and Department of Crystallography, University of Amsterdam, Nieuwe Achtergracht 166, Amsterdam, The
| | - Dieter Vogt
- Schuit Institute of Catalysis, Laboratory of Homogeneous Catalysis, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands, Institute of Molecular Chemistry, University of Amsterdam, Nieuwe Achtergracht 166, Amsterdam, The Netherlands, Crystal Structure Center, Chemical Physics, Materials Science Center, University of Groningen, Nijenborgh 4, Groningen, The Netherlands, and Department of Crystallography, University of Amsterdam, Nieuwe Achtergracht 166, Amsterdam, The
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30
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de Pater BC, Frühauf HW, Goubitz K, Fraanje J, Budzelaar PH, Gal AW, Vrieze K. Crystal structure of the novel neutral octahedral complex [(4′-(4-tbutylphenyl)-2,2′:6′,2″-terpyridine)RhIII(Br)(acetonyl)2]. Inorganica Chim Acta 2005. [DOI: 10.1016/j.ica.2004.08.019] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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31
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van Haaren RJ, Oevering H, Kamer PC, Goubitz K, Fraanje J, van Leeuwen PW, van Strijdonck GP. The mechanism for palladium catalyzed carbonylation of cinnamyl chloride. J Organomet Chem 2004. [DOI: 10.1016/j.jorganchem.2004.07.016] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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32
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De Ridder DJA, Pop MM, van Mechelen JB, Goubitz K, Pruissen D, Driessen R, Peschar R, Schenk H. Crystal-structure determination of β′-stable triacylglycerides of the type C nC n+2C n( n= even). Acta Crystallogr A 2004. [DOI: 10.1107/s0108767304095583] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
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33
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Hoogervorst WJ, Goubitz K, Fraanje J, Lutz M, Spek AL, Ernsting JM, Elsevier CJ. (Bis(imino)aryl)rhodium(III) Halide and Methyl Compounds. Organometallics 2004. [DOI: 10.1021/om049619q] [Citation(s) in RCA: 43] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Wilhelmus J. Hoogervorst
- Van 't Hoff Institute for Molecular Sciences, Universiteit van Amsterdam, Nieuwe Achtergracht 166, NL-1018 WV Amsterdam, The Netherlands, and Bijvoet Center for Biomolecular Research, Vakgroep Kristal- en Struktuurchemie, Utrecht University, Padualaan 8, NL-3584 CH Utrecht, The Netherlands
| | - Kees Goubitz
- Van 't Hoff Institute for Molecular Sciences, Universiteit van Amsterdam, Nieuwe Achtergracht 166, NL-1018 WV Amsterdam, The Netherlands, and Bijvoet Center for Biomolecular Research, Vakgroep Kristal- en Struktuurchemie, Utrecht University, Padualaan 8, NL-3584 CH Utrecht, The Netherlands
| | - Jan Fraanje
- Van 't Hoff Institute for Molecular Sciences, Universiteit van Amsterdam, Nieuwe Achtergracht 166, NL-1018 WV Amsterdam, The Netherlands, and Bijvoet Center for Biomolecular Research, Vakgroep Kristal- en Struktuurchemie, Utrecht University, Padualaan 8, NL-3584 CH Utrecht, The Netherlands
| | - Martin Lutz
- Van 't Hoff Institute for Molecular Sciences, Universiteit van Amsterdam, Nieuwe Achtergracht 166, NL-1018 WV Amsterdam, The Netherlands, and Bijvoet Center for Biomolecular Research, Vakgroep Kristal- en Struktuurchemie, Utrecht University, Padualaan 8, NL-3584 CH Utrecht, The Netherlands
| | - Anthony L. Spek
- Van 't Hoff Institute for Molecular Sciences, Universiteit van Amsterdam, Nieuwe Achtergracht 166, NL-1018 WV Amsterdam, The Netherlands, and Bijvoet Center for Biomolecular Research, Vakgroep Kristal- en Struktuurchemie, Utrecht University, Padualaan 8, NL-3584 CH Utrecht, The Netherlands
| | - Jan Meine Ernsting
- Van 't Hoff Institute for Molecular Sciences, Universiteit van Amsterdam, Nieuwe Achtergracht 166, NL-1018 WV Amsterdam, The Netherlands, and Bijvoet Center for Biomolecular Research, Vakgroep Kristal- en Struktuurchemie, Utrecht University, Padualaan 8, NL-3584 CH Utrecht, The Netherlands
| | - Cornelis J. Elsevier
- Van 't Hoff Institute for Molecular Sciences, Universiteit van Amsterdam, Nieuwe Achtergracht 166, NL-1018 WV Amsterdam, The Netherlands, and Bijvoet Center for Biomolecular Research, Vakgroep Kristal- en Struktuurchemie, Utrecht University, Padualaan 8, NL-3584 CH Utrecht, The Netherlands
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De Ridder D, Goubitz K, Brodski V, Peschar R, Schenk H. Crystal Structure of Melaminium Orthophosphate from High-Resolution Synchrotron Powder-Diffraction Data. Helv Chim Acta 2004. [DOI: 10.1002/hlca.200490168] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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35
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Botman PNM, David O, Amore A, Dinkelaar J, Vlaar MT, Goubitz K, Fraanje J, Schenk H, Hiemstra H, van Maarseveen JH. A Staudinger Approach towards Binol-Derived MAP-Type Bidentate P,N Ligands. Angew Chem Int Ed Engl 2004. [DOI: 10.1002/ange.200454146] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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Botman PNM, David O, Amore A, Dinkelaar J, Vlaar MT, Goubitz K, Fraanje J, Schenk H, Hiemstra H, van Maarseveen JH. A Staudinger Approach towards Binol-Derived MAP-Type Bidentate P,N Ligands. Angew Chem Int Ed Engl 2004; 43:3471-3. [PMID: 15221843 DOI: 10.1002/anie.200454146] [Citation(s) in RCA: 35] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Peter N M Botman
- Van't Hoff Institute of Molecular Sciences, University of Amsterdam, Nieuwe Achtergracht 129, 1018 WS Amsterdam, The Netherlands
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Botman P, Fraanje J, Goubitz K, Peschar R, Verhoeven J, van Maarseveen J, Hiemstra H. Synthesis, Properties and Applications of BICAP: a New Family of Carbazole-Based Diphosphine Ligands. Adv Synth Catal 2004. [DOI: 10.1002/adsc.200303241] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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38
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Harcharras M, Goubitz K, Ennaciri A, Assaaoudi H, Schenk H. KHCoP2O7.2H2O: a novel acidic pyrophosphate. Acta Crystallogr C 2003; 59:i57-8. [PMID: 12794321 DOI: 10.1107/s0108270103010084] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2003] [Accepted: 05/07/2003] [Indexed: 11/11/2022] Open
Abstract
Potassium cobalt hydrogenpyrophosphate dihydrate, KHCoP(2)O(7).2H(2)O, crystallizes in the orthorhombic space group Pnma. This salt is isotypic with KHMP(2)O(7).2H(2)O (M = Mn and Zn). The structure consists of alternating layers, built from HP(2)O(7)(3-) acidic pyrophosphate groups and CoO(6) octahedra, joined by potassium ions and bridging hydrogen bonds. The Co, K and water O atoms lie on mirror planes. The pyrophosphate group consists of two symmetry-related PO(4) groups, with the bridging O atom on a mirror plane.
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Affiliation(s)
- Mohamed Harcharras
- Laboratory of Spectroscopy, Department of Chemistry, Faculty of Sciences, University Ibn Tofail, BP 133, 14000 Kenitra, Morocco
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van Leeuwen PWNM, Zuideveld MA, Swennenhuis BHG, Freixa Z, Kamer PCJ, Goubitz K, Fraanje J, Lutz M, Spek AL. Alcoholysis of acylpalladium(II) complexes relevant to the alternating copolymerization of ethene and carbon monoxide and the alkoxycarbonylation of alkenes: the importance of Cis-coordinating phosphines. J Am Chem Soc 2003; 125:5523-39. [PMID: 12720467 DOI: 10.1021/ja029341y] [Citation(s) in RCA: 173] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The mechanism and kinetics of the solvolysis of complexes of the type [(L-L)Pd(C(O)CH(3))(S)](+)[CF(3)SO(3)](-) (L-L = diphosphine ligand, S = solvent, CO, or donor atom in the ligand backbone) was studied by NMR and UV-vis spectroscopy with the use of the ligands a-j: SPANphos (a), dtbpf (b), Xantphos (c), dippf (d), DPEphos (e), dtbpx (f), dppf (g), dppp (h), calix-6-diphosphite (j). Acetyl palladium complexes containing trans-coordinating ligands that resist cis coordination (SPANphos, dtbpf) showed no methanolysis. Trans complexes that can undergo isomerization to the cis analogue (Xantphos, dippf, DPEphos) showed methanolyis of the acyl group at a moderate rate. The reaction of [trans-(DPEphos)Pd(C(O)CH(3))](+)[CF(3)SO(3)](-) (2e) with methanol shows a large negative entropy of activation. Cis complexes underwent competing decarbonylation and methanolysis with the exception of 2j, [cis-(calix-diphosphite)Pd(C(O)CH(3))(CD(3)OD)](+)[CF(3)SO(3)](-). The calix-6-diphosphite complex showed a large positive entropy of activation. It is concluded that ester elimination from acylpalladium complexes with alcohols requires cis geometry of the acyl group and coordinating alcohol. The reductive elimination of methyl acetate is described as a migratory elimination or a 1,2-shift of the alkoxy group from palladium to the acyl carbon atom. Cis complexes with bulky ligands such as dtbpx undergo an extremely fast methanolysis. An increasing steric bulk of the ligand favors the formation of methyl propanoate relative to the insertion of ethene leading to formation of oligomers or polymers in the catalytic reaction of ethene, carbon monoxide, and methanol.
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Affiliation(s)
- Piet W N M van Leeuwen
- Institute of Molecular Chemistry, University of Amsterdam, Nieuwe Achtergracht 166, 1018 WV, Amsterdam, The Netherlands.
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Freixa Z, Beentjes MS, Batema GD, Dieleman CB, van Strijdonck GPF, Reek JNH, Kamer PCJ, Fraanje J, Goubitz K, van Leeuwen PWNM. SPANphos: a C2-symmetric trans-coordinating diphosphane ligand. Angew Chem Int Ed Engl 2003; 42:1284-7. [PMID: 12645065 DOI: 10.1002/anie.200390330] [Citation(s) in RCA: 95] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Zoraida Freixa
- Institute of Molecular Chemistry, University of Amsterdam, Nieuwe Achtergracht 166, 1018 WV Amsterdam, The Netherlands
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Freixa Z, Beentjes MS, Batema GD, Dieleman CB, van Strijdonck GPF, Reek JNH, Kamer PCJ, Fraanje J, Goubitz K, van Leeuwen PWNM. Angew Chem Int Ed Engl 2003; 115:1322-1325. [DOI: 10.1002/ange.200390301] [Citation(s) in RCA: 32] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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De Ridder D, Goubitz K, Schenk H, Krijnen B, Verhoeven J. Effect of Through-Bond Interaction on Conformation and Structure in Rod-Shaped Donor–Acceptor Systems. Part 2. Helv Chim Acta 2003. [DOI: 10.1002/hlca.200390082] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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De Ridder D, Goubitz K, Schenk H, Krijnen B, Verhoeven J. Effect of Through-Bond Interaction on Conformation and Structure in Rod-Shaped Donor–Acceptor Systems. Part 1. Helv Chim Acta 2003. [DOI: 10.1002/hlca.200390081] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Hue BTB, Dijkink J, Kuiper S, Larson KK, Guziec FS, Goubitz K, Fraanje J, Schenk H, van Maarseveen JH, Hiemstra H. Synthesis of the cyclobutanone core of solanoeclepin A via intramolecular allene butenolide photocycloadditionElectronic supplementary information (ESI) available: experimental details. See http://www.rsc.org/suppdata/ob/b3/b311415e/. Org Biomol Chem 2003; 1:4364-6. [PMID: 14685306 DOI: 10.1039/b311415e] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The compact tricyclic substructure of solanoeclepin A containing the cyclobutanone ring was prepared by using as the key step a highly regioselective intramolecular [2 + 2]-photocycloaddition reaction between one of the [small pi]-bonds of an allene and the CC double bond of a butenolide.
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Affiliation(s)
- Bui T B Hue
- Institute of Molecular Chemistry, University of Amsterdam, Nieuwe Achtergracht 129, 1018 WS Amsterdam, The Netherlands
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Pop MM, Goubitz K, Borodi G, Bogdan M, De Ridder DJA, Peschar R, Schenk H. Crystal structure of the inclusion complex of beta-cyclodextrin with mefenamic acid from high-resolution synchrotron powder-diffraction data in combination with molecular-mechanics calculations. Acta Crystallogr B 2002; 58:1036-43. [PMID: 12456984 DOI: 10.1107/s010876810201947x] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/02/2002] [Accepted: 10/22/2002] [Indexed: 11/10/2022]
Abstract
The crystal structure of the inclusion complex of beta-cyclo-dextrin with mefenamic acid has been determined from a combination of high-resolution synchrotron powder-diffraction data and molecular-mechanics calculations. A grid search indicates two possible solutions, which are corroborated by molecular-mechanics calculations, while Rietveld-refinement results suggest the crystal structure that is more likely to be formed in the solid state. Mefenamic acid is partially included in beta-cyclodextrin with either the xylyl or the benzoic-acid moiety being inside its cavity. In both solutions mefenamic acid and beta-cyclodextrin form a monomeric complex in a herringbone packing scheme.
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Affiliation(s)
- Mihaela M Pop
- University of Amsterdam, Faculty of Science, Laboratory for Crystallography, Institute of Molecular Chemistry, Nieuwe Achtergracht 166, The Netherlands.
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De Ridder DJA, Goubitz K, Sonneveld EJ, Molleman W, Schenk H. Lead tartrate from X-ray powder diffraction data. Acta Crystallogr C 2002; 58:m596-8. [PMID: 12466609 DOI: 10.1107/s0108270102019637] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2002] [Accepted: 10/28/2002] [Indexed: 11/10/2022] Open
Abstract
The structure of lead tartrate, Pb(2+).C(4)H(4)O(6)(2-), has been solved from X-ray powder diffraction data. The cation exhibits ninefold coordination and the tartrate groups are linked through Pb.O contacts to form a three-dimensional network.
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Affiliation(s)
- Dirk J A De Ridder
- Laboratory for Crystallography, Institute of Molecular Chemistry, Universiteit van Amsterdam, Nieuwe Achtergracht 166, NL-1018 WV Amsterdam, The Netherlands.
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Peschar R, Brodski V, Dova E, Driessen RAJ, Goubitz K, Helmholdt RB, Van Langevelde AJ, Pop MM, Schenk H. Progress in structure determination of larger organic and organo-metallic compounds from powder diffraction data. Acta Crystallogr A 2002. [DOI: 10.1107/s0108767302086816] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
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Reiss CA, Goubitz K. Structure determination of two organic compounds from laboratory X-ray data, employing the XCelerator detector. Acta Crystallogr A 2002. [DOI: 10.1107/s0108767302095569] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
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Van der Mey M, Boss H, Couwenberg D, Hatzelmann A, Sterk GJ, Goubitz K, Schenk H, Timmerman H. Novel selective phosphodiesterase (PDE4) inhibitors. 4. Resolution, absolute configuration, and PDE4 inhibitory activity of cis-tetra- and cis-hexahydrophthalazinones. J Med Chem 2002; 45:2526-33. [PMID: 12036361 DOI: 10.1021/jm0110338] [Citation(s) in RCA: 38] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Recently, we reported that 4-catechol-substituted cis-(+/-)-4a,5,6,7,8,8a-hexa- and cis-(+/-)-4a,5,8,8a-tetrahydro-2H-phthalazin-1-ones show potent inhibition of phosphodiesterase (PDE4) activity, while the corresponding trans racemic mixtures exhibit only weak to moderate activity. To determine the absolute configuration and PDE4 inhibitory activity of the individual cis-enantiomers, several optically active phthalazinones have been synthesized. The enantiomers of the various gamma-keto acids, used as starting materials, were resolved in a classical way by the formation of diastereomeric salts, and each was converted to optically active phthalazinone in an enantioselective manner. The absolute configuration of the (+)-enantiomer of cis-hexahydrophthalazinone (+)-12 was determined by X-ray crystallography. The carbon atoms at the 4a and 8a positions were found to have the S- and R-configuration, respectively. In the present series of hexa- and tetrahydrophthalazinones, stereoselectivity for PDE4 inhibition is observed; the cis-(+)-enantiomers of the phthalazinones display high inhibitory activity, whereas their (-)-counterparts exhibit only weak to moderate activity. It is likely that all cis-(+)-phthalazinones have a (4aS,8aR)-configuration and vice versa for the cis-(-)-analogues. In the current series, the N-adamantan-2-yl analogue (+)-14 shows the most potent inhibition of PDE4 (pIC(50) = 9.3); the corresponding (-)-enantiomer is 250-fold less active. In addition, the N-substituted tetrahydrophthalazinones under study were investigated for their in vivo antiinflammatory activities by examining the suppression of arachidonic acid (AA) induced mouse ear edema formation. In this assay analogues (+)-14 and (+)-15 were found to be potent antiinflammatory agents showing about 50% inhibition at 30 micromol/kg po.
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Affiliation(s)
- Margaretha Van der Mey
- Leiden/Amsterdam Center for Drug Research, Division of Medicinal Chemistry, Department of Pharmacochemistry, Vrije Universiteit, De Boelelaan 1085c, 1081 HV Amsterdam, The Netherlands.
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