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Neouchy Z, Verhoeven J, Kong H, Zhao Y, Wang W, Brambilla M, Van Hecke K, Meerpoel L, Thuring JW, Verniest G, Winne J. Stereodivergent Synthesis of Biologically Active Spironucleoside Scaffolds via Catalytic Cyclopropanation of 4- exo-Methylene Furanosides. J Org Chem 2021; 86:17344-17361. [PMID: 34748342 DOI: 10.1021/acs.joc.1c01611] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
Cyclopropane fusion of the only rotatable carbon-carbon bond in furanosyl nucleosides (i.e., exocyclic 4'-5') is a powerful design strategy to arrive at conformationally constrained analogues. Herein, we report a direct stereodivergent route toward the synthesis of the four possible configurations of 4-spirocyclopropane furanoses, which have been transformed into the corresponding 4'-spirocyclic adenosine analogues. The latter showed differential inhibition of the protein methyltransferase PRMT5-MEP50 complex, with one analogue inhibiting more effectively than adenosine itself, demonstrating the utility of rationally probing 4'-5' side chain orientations.
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Affiliation(s)
- Zeina Neouchy
- Department of Organic and Macromolecular Chemistry, Ghent University, Krijgslaan 281-S4, 9000 Ghent, Belgium
| | - Jonas Verhoeven
- Janssen Pharmaceutica NV, Turnhoutseweg 30, 2340 Beerse, Belgium
| | - Hanchu Kong
- Department of Synthetic Chemistry, Pharmaron Beijing Co., Ltd., 6 Taihe Road BDA, Beijing 100176, China
| | - Yongbin Zhao
- Department of Synthetic Chemistry, Pharmaron Beijing Co., Ltd., 6 Taihe Road BDA, Beijing 100176, China
| | - Wenbin Wang
- Department of Synthetic Chemistry, Pharmaron Beijing Co., Ltd., 6 Taihe Road BDA, Beijing 100176, China
| | - Marta Brambilla
- Janssen Pharmaceutica NV, Turnhoutseweg 30, 2340 Beerse, Belgium
| | - Kristof Van Hecke
- XStruct, Department of Chemistry, Ghent University, Krijgslaan 281-S3, 9000 Ghent, Belgium
| | - Lieven Meerpoel
- Janssen Pharmaceutica NV, Turnhoutseweg 30, 2340 Beerse, Belgium
| | | | - Guido Verniest
- Janssen Pharmaceutica NV, Turnhoutseweg 30, 2340 Beerse, Belgium
| | - Johan Winne
- Department of Organic and Macromolecular Chemistry, Ghent University, Krijgslaan 281-S4, 9000 Ghent, Belgium
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Sarkar T, Das BK, Talukdar K, Shah TA, Punniyamurthy T. Recent Advances in Stereoselective Ring Expansion of Spirocyclopropanes: Access to the Spirocyclic Compounds. ACS OMEGA 2020; 5:26316-26328. [PMID: 33110959 PMCID: PMC7581100 DOI: 10.1021/acsomega.0c03856] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/11/2020] [Accepted: 09/29/2020] [Indexed: 05/04/2023]
Abstract
Spirocyclopropane represents a privileged structural scaffold for accessing synthetic libraries of densely functionalized spirocarbo- and heterocyclic compounds. Due to the ubiquity of spirocyclic motifs as a potent pharmacophore in natural products and pharmaceuticals, recent years have witnessed significant advances in developing synthetic strategies that exploits carbon-carbon bond scission in spirocyclopropanes. This paper summarizes the recent developments in stereoselective ring expansion of spirocyclopropanes in diversity-oriented synthesis and highlights the synthetic as well as mechanistic rationale of those methodologies. This review also encompasses the applicability of the protocols in bioactive natural product syntheses.
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Affiliation(s)
- Tanumay Sarkar
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati 781039, India
| | - Bijay Ketan Das
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati 781039, India
| | - Kangkan Talukdar
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati 781039, India
| | - Tariq A. Shah
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati 781039, India
- Government Srinagar Women’s College, Zakura Srinagar 190006, India
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Vetter ND, Jagdhane RC, Richter BJ, Palmer DRJ. Carbocyclic Substrate Analogues Reveal Kanosamine Biosynthesis Begins with the α-Anomer of Glucose 6-Phosphate. ACS Chem Biol 2020; 15:2205-2211. [PMID: 32786294 DOI: 10.1021/acschembio.0c00409] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
NtdC is an NAD-dependent dehydrogenase that catalyzes the conversion of glucose 6-phosphate (G6P) to 3-oxo-glucose 6-phosphate (3oG6P), the first step in kanosamine biosynthesis in Bacillus subtilis and other closely-related bacteria. The NtdC-catalyzed reaction is unusual because 3oG6P undergoes rapid ring opening, resulting in a 1,3-dicarbonyl compound that is inherently unstable due to enolate formation. We have reported the steady-state kinetic behavior of NtdC, but many questions remain about the nature of this reaction, including whether it is the α-anomer, β-anomer, or open-chain form that is the substrate for the enzyme. Here, we report the synthesis of carbocyclic G6P analogues by two routes, one based upon the Ferrier II rearrangement to generate the carbocycle and one based upon a Claisen rearrangement. We were able to synthesize both pseudo-anomers of carbaglucose 6-phosphate (C6P) using the Ferrier approach, and activity assays revealed that the pseudo-α-anomer is a good substrate for NtdC, while the pseudo-β-anomer and the open-chain analogue, sorbitol 6-phosphate (S6P), are not substrates. A more efficient synthesis of α-C6P was achieved using the Claisen rearrangement approach, which allowed for a thorough evaluation of the NtdC-catalyzed oxidation of α-C6P. The requirement for the α-anomer indicates that NtdC and NtdA, the subsequent enzyme in the pathway, have co-evolved to recognize the α-anomer in order to avoid mutarotation between enzymatic steps.
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Affiliation(s)
- Natasha D. Vetter
- Department of Chemistry, University of Saskatchewan, 110 Science Place, Saskatoon, Saskatchewan S7N 5C9, Canada
| | - Rajendra C. Jagdhane
- Department of Chemistry, University of Saskatchewan, 110 Science Place, Saskatoon, Saskatchewan S7N 5C9, Canada
| | - Brett J. Richter
- Department of Chemistry, University of Saskatchewan, 110 Science Place, Saskatoon, Saskatchewan S7N 5C9, Canada
| | - David R. J. Palmer
- Department of Chemistry, University of Saskatchewan, 110 Science Place, Saskatoon, Saskatchewan S7N 5C9, Canada
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Cuny E. Stereoselective Synthesis of 1,6,9-Tri-oxaspiro[4.5]decanes From d-Glucose: Novel Structural Motifs of Spiroacetal Natural Products. Nat Prod Commun 2020. [DOI: 10.1177/1934578x20909175] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Spiroacetals are the central structural core element of numerous natural products and are essential for their biological activity. A typical structural representative of a spiroacetal is the bicyclic 1,6-dioxaspiro[4.5]decane ring system. It represents the complete or partial structure of many biologically potent natural products such as the Paravespula pheromone 1, the antibiotic (+)-monensin A 2, the anticancer agent (−)-berkelic acid 3, the antimitotic ingredient spirastrellolide F, characterized after methylation as (+)-methyl ester 4, and the marine toxin (−)-calyculin A 5. In these compounds, the 1,6-dioxaspiro[4.5]decane ring system is found in either spiro ( R)-6 or ( S) - 6 configuration. The corresponding 1,6,9-trioxaspiro[4.5]decane framework ( S)-7 and ( R)-7 with opposite chirality at the spiro center due to an additional oxygen atom at position 9 in the pyran portion has so far not been found in living organisms or been synthesized. To close this gap and enable structure–activity relationship studies, potentially leading to novel antibiotics and selective anticancer agents, we have developed an efficient and stereocontrolled route to the ( R)- and ( S)-configurated 1,6,9-trioxaspiro[4.5]decane ring system leading to oxa analog motifs of the above natural products.
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Affiliation(s)
- Eckehard Cuny
- Department of Chemistry, Clemens-Schöpf-Institute of Organic Chemistry and Biochemistry, Darmstadt Technical University, Darmstadt, Germany
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Thorat SS, Kontham R. Recent advances in the synthesis of oxaspirolactones and their application in the total synthesis of related natural products. Org Biomol Chem 2019; 17:7270-7292. [DOI: 10.1039/c9ob01212e] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Oxaspirolactones are ubiquitous structural motifs found in natural products and synthetic molecules with a diverse biochemical and physicochemical profile, and represent a valuable target in natural product chemistry and medicinal chemistry.
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Affiliation(s)
- Sagar S. Thorat
- Organic Chemistry Division
- CSIR-National Chemical Laboratory
- Pune-411008
- India
- Academy of Scientific and Innovative Research (AcSIR)
| | - Ravindar Kontham
- Organic Chemistry Division
- CSIR-National Chemical Laboratory
- Pune-411008
- India
- Academy of Scientific and Innovative Research (AcSIR)
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Abstract
An efficient approach to stereoselective construction of a spiro-γ-lactone core structure via BF3-promoted formal [3 + 2] annulation of aldehydo-aldose derivatives with γ-methylene-γ-butyrolactone has been developed. The spiro-γ-lactone derivative was then used in an efficient total synthesis of (+)-pyrenolide D. The developed chemistry paves the way for total synthesis of structurally diverse natural products containing spiro-lactone cores.
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Affiliation(s)
- Yuya Ogawa
- Department of Chemistry and Bioscience, Faculty of Science and Technology , Aoyama Gakuin University , 5-10-1, Fuchinobe, Chuo-ku , Sagamihara 252-5258 , Japan
| | - Marina Kato
- Department of Chemistry and Bioscience, Faculty of Science and Technology , Aoyama Gakuin University , 5-10-1, Fuchinobe, Chuo-ku , Sagamihara 252-5258 , Japan
| | - Ikuo Sasaki
- Department of Chemistry and Bioscience, Faculty of Science and Technology , Aoyama Gakuin University , 5-10-1, Fuchinobe, Chuo-ku , Sagamihara 252-5258 , Japan
| | - Hideyuki Sugimura
- Department of Chemistry and Bioscience, Faculty of Science and Technology , Aoyama Gakuin University , 5-10-1, Fuchinobe, Chuo-ku , Sagamihara 252-5258 , Japan
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Noroozi Pesyan N, Rashidnejad H. Decades of synthesis and application of spiro cyclopropanes. JOURNAL OF THE IRANIAN CHEMICAL SOCIETY 2017. [DOI: 10.1007/s13738-017-1086-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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Zhao WW, Liu YK. Enantio- and diastereoselective synthesis of tetrahydrofuro[2,3-b]furan-2(3H)-one derivatives and related oxygen heterocycles via an asymmetric organocatalytic cascade process. Org Chem Front 2017. [DOI: 10.1039/c7qo00621g] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Tetrahydrofuro[2,3-b]furan-2(3H)-one derivatives were formed via a novel asymmetric organocatalytic cascade process with excellent stereoselectivity in one single operation.
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Affiliation(s)
- Wei-Wei Zhao
- Key Laboratory of Marine Drugs
- Chinese Ministry of Education
- School of Medicine and Pharmacy
- Ocean University of China
- Qingdao 266003
| | - Yan-Kai Liu
- Key Laboratory of Marine Drugs
- Chinese Ministry of Education
- School of Medicine and Pharmacy
- Ocean University of China
- Qingdao 266003
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Kambale DA, Thorat SS, Pratapure MS, Gonnade RG, Kontham R. Lewis acid catalyzed cascade annulation of alkynols with α-ketoesters: a facile access to γ-spiroketal-γ-lactones. Chem Commun (Camb) 2017; 53:6641-6644. [DOI: 10.1039/c7cc03668j] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A simple protocol for the synthesis of diverse unsaturated γ-spiroketal-γ-lactones has been developed by employing a Bi(OTf)3 catalyzed cascade annulation of alkynols with α-ketoesters via a dual (π and σ) activation process.
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Affiliation(s)
- Digambar A. Kambale
- Organic Chemistry Division
- CSIR-National Chemical Laboratory
- Pune-411008
- India
- Academy of Scientific and Innovative Research (AcSIR)
| | - Sagar S. Thorat
- Organic Chemistry Division
- CSIR-National Chemical Laboratory
- Pune-411008
- India
- Academy of Scientific and Innovative Research (AcSIR)
| | - Madhukar S. Pratapure
- Organic Chemistry Division
- CSIR-National Chemical Laboratory
- Pune-411008
- India
- Academy of Scientific and Innovative Research (AcSIR)
| | - Rajesh G. Gonnade
- Academy of Scientific and Innovative Research (AcSIR)
- New Delhi
- India
- Centre for Materials Characterization
- CSIR-National Chemical Laboratory
| | - Ravindar Kontham
- Organic Chemistry Division
- CSIR-National Chemical Laboratory
- Pune-411008
- India
- Academy of Scientific and Innovative Research (AcSIR)
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Davis DC, Walker KL, Hu C, Zare RN, Waymouth RM, Dai M. Catalytic Carbonylative Spirolactonization of Hydroxycyclopropanols. J Am Chem Soc 2016; 138:10693-9. [PMID: 27459274 PMCID: PMC5361224 DOI: 10.1021/jacs.6b06573] [Citation(s) in RCA: 86] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
A palladium-catalyzed cascade carbonylative spirolactonization of hydroxycyclopropanols has been developed to efficiently synthesize oxaspirolactones common to many complex natural products of important therapeutic value. The mild reaction conditions, high atom economy, broad substrate scope, and scalability of this new method were highlighted in expedient total syntheses of the Turkish tobacco natural products α-levantanolide and α-levantenolide in two and four steps, respectively. The hydroxycyclopropanol substrates are readily available in one step via a Kulinkovich reaction of the corresponding lactones. Mechanistic studies utilizing high-resolution electrospray ionization mass spectrometry (ESI-MS) identified several key intermediates in the catalytic cycle, as well as those related to catalyst decomposition and competitive pathways.
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Affiliation(s)
- Dexter C. Davis
- Department of Chemistry and Center for Cancer Research, Purdue University, West Lafayette, IN 47907, United States
| | - Katherine L. Walker
- Department of Chemistry, Stanford University, Stanford, California 94305, United States
| | - Chunhua Hu
- Department of Chemistry, New York University, New York 10003, United States
| | - Richard N. Zare
- Department of Chemistry, Stanford University, Stanford, California 94305, United States
| | - Robert M. Waymouth
- Department of Chemistry, Stanford University, Stanford, California 94305, United States
| | - Mingji Dai
- Department of Chemistry and Center for Cancer Research, Purdue University, West Lafayette, IN 47907, United States
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Ramakrishna B, Sudharani C, Sridhar PR. Synthesis of β- C
-Glycosyl Amino Acids by Ring Opening of Donor-Acceptor Spiro-cyclopropanecarboxylated Sugars. Isr J Chem 2016. [DOI: 10.1002/ijch.201500087] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Bandi Ramakrishna
- School of Chemistry; University of Hyderabad, Gachibowli; Hyderabad- 500046 Telangana India
| | - Chalapala Sudharani
- School of Chemistry; University of Hyderabad, Gachibowli; Hyderabad- 500046 Telangana India
| | - Perali Ramu Sridhar
- School of Chemistry; University of Hyderabad, Gachibowli; Hyderabad- 500046 Telangana India
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Ganesh V, Sridhar PR, Chandrasekaran S. Synthetic Applications of Carbohydrate-derived Donor-Acceptor Cyclopropanes. Isr J Chem 2016. [DOI: 10.1002/ijch.201500086] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Venkataraman Ganesh
- Department of Organic Chemistry; Indian Institute of Science; Bangalore- 560012 Karnataka India
| | - Perali Ramu Sridhar
- School of Chemistry; University of Hyderabad, Gachibowli; Hyderabad- 500046 Telangana India), Tel.: (+91) 40-6679-4823, Fax: (+91) 40-2301-2460
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