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Borlandelli V, Armstrong Z, Nin‐Hill A, Codée JDC, Raich L, Artola M, Rovira C, Davies GJ, Overkleeft HS. 4-O-Substituted Glucuronic Cyclophellitols are Selective Mechanism-Based Heparanase Inhibitors. ChemMedChem 2023; 18:e202200580. [PMID: 36533564 PMCID: PMC10947206 DOI: 10.1002/cmdc.202200580] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2022] [Revised: 11/30/2022] [Accepted: 12/16/2022] [Indexed: 12/23/2022]
Abstract
Degradation of the extracellular matrix (ECM) supports tissue integrity and homeostasis, but is also a key factor in cancer metastasis. Heparanase (HPSE) is a mammalian ECM-remodeling enzyme with β-D-endo-glucuronidase activity overexpressed in several malignancies, and is thought to facilitate tumor growth and metastasis. By this virtue, HPSE is considered an attractive target for the development of cancer therapies, yet to date no HPSE inhibitors have progressed to the clinic. Here we report on the discovery of glucurono-configured cyclitol derivatives featuring simple substituents at the 4-O-position as irreversible HPSE inhibitors. We show that these compounds, unlike glucurono-cyclophellitol, are selective for HPSE over β-D-exo-glucuronidase (GUSB), also in platelet lysate. The observed selectivity is induced by steric and electrostatic interactions of the substituents at the 4-O-position. Crystallographic analysis supports this rationale for HPSE selectivity, and computer simulations provide insights in the conformational preferences and binding poses of the inhibitors, which we believe are good starting points for the future development of HPSE-targeting antimetastatic cancer drugs.
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Affiliation(s)
- Valentina Borlandelli
- Bio-organic SynthesisLeiden Institute of Chemistry (LIC)Leiden UniversityGorlaeus LaboratoriesEinsteinweg 552333 CCLeidenThe Netherlands
| | - Zachary Armstrong
- Bio-organic SynthesisLeiden Institute of Chemistry (LIC)Leiden UniversityGorlaeus LaboratoriesEinsteinweg 552333 CCLeidenThe Netherlands
- Department of ChemistryYork Structural Biology LaboratoryUniversity of YorkHeslingtonYO10 5DDYorkUK
| | - Alba Nin‐Hill
- Departament de Química Inorgànica i Orgànica (Secció de Química Orgànica) and Institut de Química Teòrica i Computacional (IQTCUB)Universitat de BarcelonaMartí i Franquès 108028BarcelonaSpain
| | - Jeroen D. C. Codée
- Bio-organic SynthesisLeiden Institute of Chemistry (LIC)Leiden UniversityGorlaeus LaboratoriesEinsteinweg 552333 CCLeidenThe Netherlands
| | - Lluís Raich
- Departament de Química Inorgànica i Orgànica (Secció de Química Orgànica) and Institut de Química Teòrica i Computacional (IQTCUB)Universitat de BarcelonaMartí i Franquès 108028BarcelonaSpain
- Current address: Department of Mathematics and Computer ScienceFreie Universität Berlin14195BerlinGermany
| | - Marta Artola
- Bio-organic SynthesisLeiden Institute of Chemistry (LIC)Leiden UniversityGorlaeus LaboratoriesEinsteinweg 552333 CCLeidenThe Netherlands
| | - Carme Rovira
- Departament de Química Inorgànica i Orgànica (Secció de Química Orgànica) and Institut de Química Teòrica i Computacional (IQTCUB)Universitat de BarcelonaMartí i Franquès 108028BarcelonaSpain
| | - Gideon J. Davies
- Department of ChemistryYork Structural Biology LaboratoryUniversity of YorkHeslingtonYO10 5DDYorkUK
| | - Herman S. Overkleeft
- Bio-organic SynthesisLeiden Institute of Chemistry (LIC)Leiden UniversityGorlaeus LaboratoriesEinsteinweg 552333 CCLeidenThe Netherlands
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Tomanik M, Xu Z, Guo F, Wang Z, Yang KR, Batista VS, Herzon SB. Development of an Enantioselective Synthesis of (-)-Euonyminol. J Org Chem 2021; 86:17011-17035. [PMID: 34784213 DOI: 10.1021/acs.joc.1c02167] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
We detail the development of the first enantioselective synthetic route to euonyminol (1), the most heavily oxidized member of the dihydro-β-agarofuran sesquiterpenes and the nucleus of the macrocyclic alkaloids known as the cathedulins. Key steps in the synthetic sequence include a novel, formal oxyalkylation reaction of an allylic alcohol by [3 + 2] cycloaddition; a tandem lactonization-epoxide opening reaction to form the trans-C2-C3 vicinal diol residue; and a late-stage diastereoselective trimethylaluminum-mediated α-ketol rearrangement. We report an improved synthesis of the advanced unsaturated ketone intermediate 64 by means of a 6-endo-dig radical cyclization of the enyne 42. This strategy nearly doubled the yield through the intermediate steps in the synthesis and avoided a problematic inversion of stereochemistry required in the first-generation approach. Computational studies suggest that the mechanism of this transformation proceeds via a direct 6-endo-trig cyclization, although a competing 5-exo-trig cyclization, followed by a rearrangement, is also energetically viable. We also detail the challenges associated with manipulating the oxidation state of late-stage intermediates, which may inform efforts to access other derivatives such as 9-epi-euonyminol or 8-epi-euonyminol. Our successful synthetic strategy provides a foundation to synthesize the more complex cathedulins.
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Affiliation(s)
- Martin Tomanik
- Department of Chemistry, Yale University, New Haven, Connecticut 06520, United States
| | - Zhi Xu
- Department of Chemistry, Yale University, New Haven, Connecticut 06520, United States
| | - Facheng Guo
- Department of Chemistry, Yale University, New Haven, Connecticut 06520, United States.,Energy Sciences Institute, Yale University, West Haven, Connecticut 06516, United States
| | - Zechun Wang
- Department of Chemistry, Yale University, New Haven, Connecticut 06520, United States
| | - Ke R Yang
- Department of Chemistry, Yale University, New Haven, Connecticut 06520, United States.,Energy Sciences Institute, Yale University, West Haven, Connecticut 06516, United States
| | - Victor S Batista
- Department of Chemistry, Yale University, New Haven, Connecticut 06520, United States.,Energy Sciences Institute, Yale University, West Haven, Connecticut 06516, United States
| | - Seth B Herzon
- Department of Chemistry, Yale University, New Haven, Connecticut 06520, United States.,Department of Pharmacology, Yale School of Medicine, New Haven, Connecticut 06520, United States
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Tamburrini A, Colombo C, Bernardi A. Design and synthesis of glycomimetics: Recent advances. Med Res Rev 2020; 40:495-531. [DOI: 10.1002/med.21625] [Citation(s) in RCA: 50] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2019] [Revised: 06/06/2019] [Accepted: 07/09/2019] [Indexed: 12/16/2022]
Affiliation(s)
- Alice Tamburrini
- Dipartimento di ChimicaUniversita’ degli Studi di Milano Milano Italy
| | - Cinzia Colombo
- Dipartimento di ChimicaUniversita’ degli Studi di Milano Milano Italy
| | - Anna Bernardi
- Dipartimento di ChimicaUniversita’ degli Studi di Milano Milano Italy
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Herndon JW. The chemistry of the carbon-transition metal double and triple bond: Annual survey covering the year 2018. Coord Chem Rev 2019. [DOI: 10.1016/j.ccr.2019.213051] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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