1
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Chowdhury R, Dubey MK, Waser M. Catalytic Enantioselective Decarboxylative Aldol reactions of Malonic acid half thio(oxy)ester and β‐ketoacids. European J Org Chem 2022. [DOI: 10.1002/ejoc.202200146] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Raghunath Chowdhury
- Bhabha Atomic Research Centre Bio-Organic Division Tombay 400085 Mumbai INDIA
| | | | - Mario Waser
- Johannes Kepler Universität Linz: Johannes Kepler Universitat Linz Institute of Organic Chemistry AUSTRIA
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2
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Jaiswal MK, Singh S, Singh RP. Enantioselective vinylogous aldol reaction of acylphosphonates with 3-alkylidene oxindoles. Org Biomol Chem 2021; 19:7861-7866. [PMID: 34476434 DOI: 10.1039/d1ob00140j] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A simple strategy for yielding chiral tertiary α-hydroxy phosphonates that integrates two highly biologically relevant scaffolds namely 3-alkylidene-2-oxindoles and phosphonates has been described. The hydrogen bonding ability of the bifunctional thiourea catalyst allows simultaneous dual activation of a vinylogous oxindole nucleophile and an acylphosphonate electrophile, affording hydroxyphosphonato-3-alkylidene-2-oxindoles as aldol adducts in high yields (up to 92%) with excellent stereocontrol (up to 99% ee).
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Affiliation(s)
- Manish K Jaiswal
- Chemistry, Indian Institute of Technology Delhi, New Delhi, Delhi, India.
| | - Sanjay Singh
- Chemistry, Indian Institute of Technology Delhi, New Delhi, Delhi, India.
| | - Ravi P Singh
- Chemistry, Indian Institute of Technology Delhi, New Delhi, Delhi, India.
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3
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Kaboudin B, Alavi S, Kazemi F, Aoyama H, Yokomatsu T. Resolution of Racemic α-Hydroxyphosphonates: Bi(OTf) 3-Catalyzed Stereoselective Esterification of α-Hydroxyphosphonates with (+)-Dibenzoyl-l-tartaric Anhydride. ACS OMEGA 2019; 4:15471-15478. [PMID: 31572847 PMCID: PMC6761612 DOI: 10.1021/acsomega.9b01722] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/12/2019] [Accepted: 08/29/2019] [Indexed: 06/10/2023]
Abstract
A practical and efficient method has been developed for the preparation of optically active α-hydroxyphosphonates through resolution of the racemates. Treatment of racemic diethyl 1-hydroxy-1-phenylmethylphosphonate (1) with (+)-dibenzoyl-L-tartaric anhydride gave two diastereomeric esters 2 and 3 in the presence of bismuth triflate (15 mol %) in an 86:14 ratio. The two diastereomeric esters were separated by simple column chromatography, and the structure for the major diastereomer was determined by X-ray crystallographic analysis. Simple hydrolysis of the isolated major diastereomer in the usual manner afforded (R)-O,O-diethyl-1-[hydroxyl(phenyl)methyl] phosphonate 1. The advantages of the present method are that the operation is simple and easy to handle, along with rapid and good yield preparations of both enantiomers of the racemic α-phosphonates 1. Diastereoselective reactions of various racemic α-hydroxyphosphonates with d-Bz-L-TA in the presence of Bi(OTf)3 are also described.
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Affiliation(s)
- Babak Kaboudin
- Department
of Chemistry, Institute for Advanced Studies
in Basic Sciences (IASBS), Gava Zang, Zanjan 45137-66731, Iran
| | - Sajedeh Alavi
- Department
of Chemistry, Institute for Advanced Studies
in Basic Sciences (IASBS), Gava Zang, Zanjan 45137-66731, Iran
| | - Foad Kazemi
- Department
of Chemistry, Institute for Advanced Studies
in Basic Sciences (IASBS), Gava Zang, Zanjan 45137-66731, Iran
| | - Hiroshi Aoyama
- School
of Pharmacy, Tokyo University of Pharmacy
and Life Sciences, 1432-1 Horinouchi, Hachioji, Tokyo 192-0392, Japan
| | - Tsutomu Yokomatsu
- School
of Pharmacy, Tokyo University of Pharmacy
and Life Sciences, 1432-1 Horinouchi, Hachioji, Tokyo 192-0392, Japan
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4
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Windsor IW, Gold B, Raines RT. An n→ π* Interaction in the Bound Substrate of Aspartic Proteases Replicates the Oxyanion Hole. ACS Catal 2019; 9:1464-1471. [PMID: 31093467 DOI: 10.1021/acscatal.8b04142] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Aspartic proteases regulate many biological processes and are prominent targets for therapeutic intervention. Structural studies have captured intermediates along the reaction pathway, including the Michaelis complex and tetrahedral intermediate. Using a Ramachandran analysis of these structures, we discovered that residues occupying the P1 and P1' positions (which flank the scissile peptide bond) adopt the dihedral angle of an inverse γ-turn and polyproline type-II helix, respectively. Computational analyses reveal that the polyproline type-II helix engenders an n→π* interaction in which the oxygen of the scissile peptide bond is the donor. This interaction stabilizes the negative charge that develops in the tetrahedral intermediate, much like the oxyanion hole of serine proteases. The inverse γ-turn serves to twist the scissile peptide bond, vacating the carbonyl π* orbital and facilitating its hydration. These previously unappreciated interactions entail a form of substrate-assisted catalysis and offer opportunities for drug design.
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Affiliation(s)
- Ian W. Windsor
- Department of Chemistry, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States
| | - Brian Gold
- Department of Chemistry, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States
| | - Ronald T. Raines
- Department of Chemistry, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States
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5
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Vamisetti GB, Chowdhury R, Ghosh SK. Organocatalytic decarboxylative aldol reaction of β-ketoacids with α-ketophosphonates en route to the enantioselective synthesis of tertiary α-hydroxyphosphonates. Org Biomol Chem 2017; 15:3869-3873. [DOI: 10.1039/c7ob00796e] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
γ-Aroyl tertiary α-hydroxyphosphonates with a chiral quaternary centre were synthesized via a facile organocatalyzed decarboxylative aldol reaction between β-ketoacids and α-ketophosphonates.
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Affiliation(s)
- Ganga B. Vamisetti
- Bio-Organic Division
- Bhabha Atomic Research Centre
- Mumbai 400085
- India
- Homi Bhabha National Institute
| | | | - Sunil K. Ghosh
- Bio-Organic Division
- Bhabha Atomic Research Centre
- Mumbai 400085
- India
- Homi Bhabha National Institute
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6
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Kibardina LK, Trifonov AV, Dobrynin AB, Pudovik MA, Burilov AR, Sinyashin OG. Reaction of Pyridoxal with Hydrophosphoryl Compounds. HETEROATOM CHEMISTRY 2016. [DOI: 10.1002/hc.21319] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Lyudmila K. Kibardina
- A.E. Arbuzov Institute of Organic and Physical Chemistry; Kazan Scientific Center; Russian Academy of Sciences; Arbuzov str. 8 Kazan 420088 Russia
| | - Alexey V. Trifonov
- Kazan National Research Technological University; Karl Marx str. 68 Kazan 420015 Russia
| | - Alexey B. Dobrynin
- A.E. Arbuzov Institute of Organic and Physical Chemistry; Kazan Scientific Center; Russian Academy of Sciences; Arbuzov str. 8 Kazan 420088 Russia
| | - Michael A. Pudovik
- A.E. Arbuzov Institute of Organic and Physical Chemistry; Kazan Scientific Center; Russian Academy of Sciences; Arbuzov str. 8 Kazan 420088 Russia
| | - Alexander R. Burilov
- A.E. Arbuzov Institute of Organic and Physical Chemistry; Kazan Scientific Center; Russian Academy of Sciences; Arbuzov str. 8 Kazan 420088 Russia
| | - Oleg G. Sinyashin
- A.E. Arbuzov Institute of Organic and Physical Chemistry; Kazan Scientific Center; Russian Academy of Sciences; Arbuzov str. 8 Kazan 420088 Russia
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7
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Maji B, Yamamoto H. Use of In Situ Generated Nitrosocarbonyl Compounds in Catalytic Asymmetric α-Hydroxylation and α-Amination Reactions. BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN 2015. [DOI: 10.1246/bcsj.20150040] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Biplab Maji
- Molecular Catalyst Research Center, Chubu University
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8
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Maji B, Yamamoto H. Copper-Catalyzed Asymmetric Synthesis of Tertiary α-Hydroxy Phosphonic Acid Derivatives with In Situ Generated Nitrosocarbonyl Compounds as the Oxygen Source. Angew Chem Int Ed Engl 2014. [DOI: 10.1002/ange.201408893] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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9
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Copper-Catalyzed Asymmetric Synthesis of Tertiary α-Hydroxy Phosphonic Acid Derivatives with In Situ Generated Nitrosocarbonyl Compounds as the Oxygen Source. Angew Chem Int Ed Engl 2014; 53:14472-5. [DOI: 10.1002/anie.201408893] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2014] [Indexed: 11/07/2022]
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10
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Callebaut G, Colpaert F, Nonn M, Kiss L, Sillanpää R, Törnroos KW, Fülöp F, De Kimpe N, Mangelinckx S. Asymmetric synthesis of chloroisothreonine derivatives via syn-stereoselective Mannich-type additions across N-sulfinyl-α-chloroimines. Org Biomol Chem 2014; 12:3393-405. [DOI: 10.1039/c4ob00243a] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Mannich-type reactions across N-sulfinyl-α-chloroaldimines resulted in syn-stereoselective synthesis of chloroisothreonine derivatives as excellent building blocks.
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Affiliation(s)
- Gert Callebaut
- Department of Sustainable Organic Chemistry and Technology
- Faculty of Bioscience Engineering
- Ghent University
- B-9000 Ghent, Belgium
| | - Filip Colpaert
- Department of Sustainable Organic Chemistry and Technology
- Faculty of Bioscience Engineering
- Ghent University
- B-9000 Ghent, Belgium
| | - Melinda Nonn
- Institute of Pharmaceutical Chemistry and Stereochemistry Research Group of the Hungarian Academy of Sciences
- Szeged, Eötvös u. 6, Hungary
| | - Loránd Kiss
- Institute of Pharmaceutical Chemistry and Stereochemistry Research Group of the Hungarian Academy of Sciences
- Szeged, Eötvös u. 6, Hungary
| | - Reijo Sillanpää
- Department of Chemistry
- University of Jyväskylä
- Fin-40351 Jyväskylä, Finland
| | - Karl W. Törnroos
- Department of Chemistry
- University of Bergen
- N-5007 Bergen, Norway
| | - Ferenc Fülöp
- Institute of Pharmaceutical Chemistry and Stereochemistry Research Group of the Hungarian Academy of Sciences
- Szeged, Eötvös u. 6, Hungary
| | - Norbert De Kimpe
- Department of Sustainable Organic Chemistry and Technology
- Faculty of Bioscience Engineering
- Ghent University
- B-9000 Ghent, Belgium
| | - Sven Mangelinckx
- Department of Sustainable Organic Chemistry and Technology
- Faculty of Bioscience Engineering
- Ghent University
- B-9000 Ghent, Belgium
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11
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Sun L, Guo QP, Li X, Zhang L, Li YY, Da CS. C2-Symmetric Homobimetallic Zinc Complexes as Chiral Catalysts for the Highly Enantioselective Hydrophosphonylation of Aldehydes. ASIAN J ORG CHEM 2013. [DOI: 10.1002/ajoc.201300181] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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12
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New phosphine oxide aziridinyl phosphonates as chiral Lewis bases for the Abramov-type phosphonylation of aldehydes. ACTA ACUST UNITED AC 2013. [DOI: 10.1016/j.tetasy.2013.04.005] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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13
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Enantioselective Synthesis of Tertiary α-Hydroxy Phosphonates Catalyzed by Carbohydrate/Cinchona Alkaloid Thiourea Organocatalysts. Angew Chem Int Ed Engl 2012. [DOI: 10.1002/ange.201204287] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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14
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Kong S, Fan W, Wu G, Miao Z. Enantioselective Synthesis of Tertiary α-Hydroxy Phosphonates Catalyzed by Carbohydrate/Cinchona Alkaloid Thiourea Organocatalysts. Angew Chem Int Ed Engl 2012; 51:8864-7. [DOI: 10.1002/anie.201204287] [Citation(s) in RCA: 41] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2012] [Indexed: 11/06/2022]
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15
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Bhattacharya AK, Rana KC, Pannecouque C, De Clercq E. An Efficient Synthesis of a Hydroxyethylamine (HEA) Isostere and Its α-Aminophosphonate and Phosphoramidate Derivatives as Potential Anti-HIV Agents. ChemMedChem 2012; 7:1601-11. [DOI: 10.1002/cmdc.201200271] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2012] [Revised: 06/12/2012] [Indexed: 11/09/2022]
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16
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Nimmanpipug P, Khampa C, Lee VS, Nangola S, Tayapiwatana C. Identification of amino acid residues of a designed ankyrin repeat protein potentially involved in intermolecular interactions with CD4: Analysis by molecular dynamics simulations. J Mol Graph Model 2011; 31:65-75. [DOI: 10.1016/j.jmgm.2011.09.003] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2011] [Revised: 08/30/2011] [Accepted: 09/01/2011] [Indexed: 11/16/2022]
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17
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Yu J, Zhao X, Miao Z, Chen R. Highly diastereoselective vinylogous Mukaiyama aldol reaction of α-keto phosphonates with 2-(trimethylsilyloxy)furan catalyzed by Cu(OTf)2. Org Biomol Chem 2011; 9:6721-6. [DOI: 10.1039/c1ob05822c] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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18
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Fang H, Chen W, Hong B, Zhao Y, Fang M. Synthesis, Characterizations, and Crystal Structures of α-Hydroxyphosphonic Acid Esters. PHOSPHORUS SULFUR 2010. [DOI: 10.1080/10426500903299935] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
- Hua Fang
- a The Third Institute of Oceanography of the State Oceanic Administration , Xiamen , People's Republic of China
| | - Weizhu Chen
- a The Third Institute of Oceanography of the State Oceanic Administration , Xiamen , People's Republic of China
| | - Bihong Hong
- a The Third Institute of Oceanography of the State Oceanic Administration , Xiamen , People's Republic of China
| | - Yufen Zhao
- b Department of Pharmaceutical Science, Medical College , Xiamen University , Xiamen , People's Republic of China
- c Department of Chemistry, Key Laboratory for Chemical Biology of Fujian Province College of Chemistry and Chemical Engineering , Xiamen University , Xiamen , People's Republic of China
- d The Key Laboratory for Bioorganic Phosphorus Chemistry and Chemical Biology, National Ministry of Education, Department of Chemistry , Tsinghua University , Beijing , People's Republic of China
| | - Meijuan Fang
- b Department of Pharmaceutical Science, Medical College , Xiamen University , Xiamen , People's Republic of China
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19
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Chen W, Hui Y, Zhou X, Jiang J, Cai Y, Liu X, Lin L, Feng X. Chiral N,N′-dioxide-Yb(III) complexes catalyzed enantioselective hydrophosphonylation of aldehydes. Tetrahedron Lett 2010. [DOI: 10.1016/j.tetlet.2010.05.137] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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20
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Jiang J, Chen X, Wang J, Hui Y, Liu X, Lin L, Feng X. Chiral biphenylamide derivative: an efficient organocatalyst for the enantioselective synthesis of alpha-hydroxy phosphonates. Org Biomol Chem 2009; 7:4355-7. [PMID: 19830282 DOI: 10.1039/b917554g] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The aldol reactions of alpha-keto phosphonates and aldehydes were facilitated by an axially chiral biphenylprolinamide under mild conditions, affording the synthetically and pharmaceutically useful products in high yields and excellent enantioselectivities.
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Affiliation(s)
- Jun Jiang
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu 610064, China
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21
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Consiglio G, Failla S, Finocchiaro P. A GENERAL SYNTHETIC APPROACH TO α-HYDROXY PHOSPHORYL COMPOUNDS. PHOSPHORUS SULFUR 2006. [DOI: 10.1080/10426509608038773] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Affiliation(s)
- Giuseppe Consiglio
- a Istituto Chimico, Facoltd di Ingegneria, Universitd di Catania , Vale A. Doria 6. 1-95125, Catania, (Italy)
| | - Salvatore Failla
- a Istituto Chimico, Facoltd di Ingegneria, Universitd di Catania , Vale A. Doria 6. 1-95125, Catania, (Italy)
| | - Paolo Finocchiaro
- a Istituto Chimico, Facoltd di Ingegneria, Universitd di Catania , Vale A. Doria 6. 1-95125, Catania, (Italy)
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22
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Pawar VD, Bettigeri S, Weng SS, Kao JQ, Chen CT. Highly Enantioselective Aerobic Oxidation of α-Hydroxyphosphonates Catalyzed by Chiral Vanadyl(V) Methoxides Bearing N-Salicylidene-α-aminocarboxylates. J Am Chem Soc 2006; 128:6308-9. [PMID: 16683782 DOI: 10.1021/ja060639o] [Citation(s) in RCA: 102] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
An unprecedented vanadyl(V) methoxide complex 4 derived from 3,5-dibromo-N-salicylidene-l-tert-leucinate enables highly enantioselective aerobic oxidations of alpha-hydroxyphosphonates at ambient temperature with selectivity factors ranging from 3 to >99.
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Affiliation(s)
- Vijay D Pawar
- Department of Chemistry, National Taiwan Normal University, Taipei, Taiwan
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23
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Deron A, Milewska M, Barycki J, Sawka-Dobrowolska W, Gancarz R. NMR studies of the bishydroxy bisphosphonate synthesis fromo-phthalic aldehyde and diethyl phosphite. HETEROATOM CHEMISTRY 2002. [DOI: 10.1002/hc.10014] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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24
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Shibasaki M, Gröger H. Chiral Heterobimetallic Lanthanoid Complexes: Highly Efficient Multifunctional Catalysts for the Asymmetric Formation of C-C, C-O, and C-P Bonds. TOP ORGANOMETAL CHEM 2001. [DOI: 10.1007/3-540-69801-9_5] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/12/2023]
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25
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Failla S, Finocchiaro P, Consiglio GA. Syntheses, characterization, stereochemistry and complexing properties of acyclic and macrocyclic compounds possessing ?-amino- or ?-hydroxyphosphonate units: a review article. HETEROATOM CHEMISTRY 2000. [DOI: 10.1002/1098-1071(2000)11:7<493::aid-hc7>3.0.co;2-a] [Citation(s) in RCA: 37] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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26
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Stepanian S, Reva I, Radchenko E, Latajka Z, Wierzejewska M, Ratajczak H. Combined matrix isolation IR spectroscopic and ab initio quantum chemical study of the molecular structure of aminomethylphosphinic acid. J Mol Struct 1999. [DOI: 10.1016/s0022-2860(98)00748-0] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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27
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New homochiral cyclic diol ligands for titanium alkoxide catalyzed phosphonylation of aldehydes. Tetrahedron Lett 1998. [DOI: 10.1016/s0040-4039(98)01139-3] [Citation(s) in RCA: 81] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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28
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Shibasaki M, Sasai H, Arai T. Asymmetrische Katalyse mit Hetero-Dimetall-Verbindungen. Angew Chem Int Ed Engl 1997. [DOI: 10.1002/ange.19971091204] [Citation(s) in RCA: 129] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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29
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Enantioselective synthesis of α-hydroxy phosphonates via oxidation with (camphorsulfonyl)oxaziridines. Tetrahedron Lett 1997. [DOI: 10.1016/s0040-4039(97)00705-3] [Citation(s) in RCA: 51] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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30
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Failla S, Finocchiaro P. OXYCARBANILINIO DERIVATIVES OF ARALKYLOXY-1-METHYLARYLPHOSPHONATES. SYNTHESIS AND CHARACTERIZATION. PHOSPHORUS SULFUR 1996. [DOI: 10.1080/10426509608043486] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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31
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Böhm HJ, Klebe G. Was läßt sich aus der molekularen Erkennung in Protein-Ligand-Komplexen für das Design neuer Wirkstoffe lernen? Angew Chem Int Ed Engl 1996. [DOI: 10.1002/ange.19961082205] [Citation(s) in RCA: 36] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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32
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Randad RS, Lubkowska L, Silva AM, Guerin DM, Gulnik SV, Yu B, Erickson JW. Structure-based design of achiral, nonpeptidic hydroxybenzamide as a novel P2/P2' replacement for the symmetry-based HIV protease inhibitors. Bioorg Med Chem 1996; 4:1471-80. [PMID: 8894104 DOI: 10.1016/0968-0896(96)00140-x] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
A combination of structure-activity studies, kinetic analysis, X-ray crystallographic analysis, and modeling were employed in the design of a novel series of HIV-1 protease (HIV PR) inhibitors. The crystal structure of a complex of HIV PR with SRSS-2,5-bis[N-(tert-butyloxycarbonyl)amino]-3,4-dihydroxy-1, 6-diphenylhexane (1) delineated a crucial water-mediated hydrogen bond between the tert-butyloxy group of the inhibitor and the amide hydrogen of Asp29 of the enzyme. Achiral, nonpeptidic 2-hydroxyphenylacetamide and 3-hydroxybenzamide groups were modeled as novel P2/P2' ligands to replace the crystallographic water molecules and to provide direct interactions with the NH groups of the Asp29/129 residues. Indeed, the symmetry-based inhibitors 7 and 19, possessing 3-hydroxy and 3-aminobenzamide, respectively, as a P2/P2' ligand, were potent inhibitors of HIV PR. The benzamides were superior in potency to the phenylacetamides and have four fewer rotatable bonds. An X-ray crystal structure of the HIV PR/7 complex at 2.1 A resolution revealed an asymmetric mode of binding, in which the 3-hydroxy group of the benzamide ring makes the predicted interaction with the backbone NH of Asp29 on one side of the active site only. An unexpected hydrogen bond with the Gly148 carbonyl group, resulting from rotation of the aromatic ring out of the amide plane, was observed on the other side. The inhibitory potencies of the benzamide compounds were found to be sensitive to the nature and position of substituents on the benzamide ring, and can be rationalized on the basis of the structure of the HIV PR/7 complex. These results partly confirm our initial hypothesis and suggest that optimal inhibitor designs should satisfy a requirement for providing polar interactions with Asp29 NH, and should minimize the conformational entropy loss on binding by reducing the number of freely rotatable bonds in inhibitors.
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Affiliation(s)
- R S Randad
- Structural Biochemistry Program, SAIC-Frederick, National Cancer Institute-Frederick Cancer Research and Development Center, MD 21702, USA
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Kempf DJ. Progress in the discovery of orally bioavailable inhibitors of HIV protease. ACTA ACUST UNITED AC 1995. [DOI: 10.1007/bf02172035] [Citation(s) in RCA: 20] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Kozlowski JK, Rath NP, Spilling CD. Determination of the enantiomeric purity and absolute configuration of α-hydroxy phosphonates. Tetrahedron 1995. [DOI: 10.1016/0040-4020(95)00308-u] [Citation(s) in RCA: 51] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Keenan RM, Eppley DF, Tomaszek TA. Synthesis and activity of an HIV-1 Protease inhibitor containing a contiguous (E)-olefin-hydroxyethylene peptide mimetic. Tetrahedron Lett 1995. [DOI: 10.1016/0040-4039(94)02416-9] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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Dorsey BD, McDaniel SL, Levin RB, Vacca JP, Darke PL, Zuga JA, Emini EA, Schleif WA, Lin JH, Chen IW, Holloway M, Anderson PS, Huff JR. Synthesis and evaluation of pyridyl analogs of L-735,524: Potent HIV-1 protease inhibitors. Bioorg Med Chem Lett 1994. [DOI: 10.1016/s0960-894x(01)80592-8] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Marinier A, Toth MV, Houseman K, Mueller R, Marshall GR. HIV-1 protease inhibitors: ketomethylene isosteres with unusually high affinity compared with hydroxyethylene isostere analogs. Bioorg Med Chem 1994; 2:919-25. [PMID: 7712127 DOI: 10.1016/s0968-0896(00)82041-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
HIV protease is a member of the aspartic proteinase family of proteolytic enzymes which include pepsin and renin. In contrast to the enhanced affinity seen with renin and pepsin upon conversion of the transition-state isostere, ketomethylene, to the hydroxyethylene, a set of HIV protease inhibitors showed a reduction in affinity. This implies that interactions with the active site of other segments of the inhibitor than those of the transition-state analog must predominate in the case of HIV protease, and that observations made on mammalian aspartic proteinases do not necessarily apply to viral aspartic proteinases.
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Affiliation(s)
- A Marinier
- Department of Moelcular Biology and Pharmacology, Washington University, St. Louis, MO 63130
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Abstract
Drug design methods have made significant new advances over the last ten years, mainly in the areas of molecular modelling. In more recent times important developments in theory have led to a different type of modelling becoming possible, the so-called de novo or automated design algorithms. In this new method the programs perform much of the chemist's thinking, in finding appropriately sized chemical groups to fit into a target site. However this is a combinatoric problem which has no general analytical solution; it is ripe for optimization. Other advances, such as combinatorial chemical synthesis and screening, will dramatically influence the search for new lead structures for target sites, which at present are poorly understood. Already these methods are being applied to peptide libraries. Peptides do not make good drug compounds because of their poor bioavailability; further, their flexibility reduces their affinity. In some cases peptide backbones can be removed and replaced with rigid non-peptide scaffolds.
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Affiliation(s)
- P M Dean
- Department of Pharmacology, University of Cambridge, UK
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Randad RS, Pan W, Gulnik SV, Burt S, Erickson JW. De novo design of nonpeptidic HIV-1 protease inhibitors: Incorporation of structural water. Bioorg Med Chem Lett 1994. [DOI: 10.1016/s0960-894x(01)80339-5] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Blazis VJ, Koeller KJ, Spilling CD. Asymmetric synthesis of α-hydroxy- phosphonamides, phosphonates and phosphonic acids. ACTA ACUST UNITED AC 1994. [DOI: 10.1016/0957-4166(94)80002-2] [Citation(s) in RCA: 55] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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