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Dungan OM, Dormann S, Fernandes S, Duffy BC, Effiong DG, Kerr WG, Chisholm JD. Synthetic studies on the indane SHIP1 agonist AQX-1125. Org Biomol Chem 2022; 20:4016-4020. [PMID: 35506893 DOI: 10.1039/d2ob00555g] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
AQX-1125 is an indane based SHIP1 agonist that has been evaluated in the clinic for the treatment of bladder pain syndrome/interstitial cystitis. To support our own studies on SHIP1 agonists as potential treatments for IBD and Crohn's disease, a new synthetic route to the SHIP1 agonist AQX-1125 has been developed. This sequence utilizes a hydroxy-acid intermediate which allows for ready differentiation of the C6 and C7 positions. The role of the C17 alkene in the biological activity of the system is also investigated, and this functional group is not required for SHIP1 agonist activity. While AQX-1125 shows SHIP1 agonist activity in enzyme assays, it does not show activity in cell based assays similar to other SHIP1 agonists, which limits the utility of this molecule.
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Affiliation(s)
- Otto M Dungan
- Department of Chemistry, Syracuse University, 1-014 Center for Science and Technology, Syracuse, NY 13244, USA.
| | - Shawn Dormann
- Department of Chemistry, Syracuse University, 1-014 Center for Science and Technology, Syracuse, NY 13244, USA.
| | - Sandra Fernandes
- Department of Microbiology and Immunology, SUNY Upstate Medical University, Syracuse, NY 13210, USA
| | - Brian C Duffy
- Department of Chemistry, Syracuse University, 1-014 Center for Science and Technology, Syracuse, NY 13244, USA.
| | - Daniel G Effiong
- Department of Chemistry, Syracuse University, 1-014 Center for Science and Technology, Syracuse, NY 13244, USA.
| | - William G Kerr
- Department of Chemistry, Syracuse University, 1-014 Center for Science and Technology, Syracuse, NY 13244, USA. .,Department of Microbiology and Immunology, SUNY Upstate Medical University, Syracuse, NY 13210, USA.,Department of Pediatrics, SUNY Upstate Medical University, Syracuse, NY 13210, USA
| | - John D Chisholm
- Department of Chemistry, Syracuse University, 1-014 Center for Science and Technology, Syracuse, NY 13244, USA.
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2
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Wang Z, Yang B, Yang Q, Wang Y. C(sp 3)–H 1,3-diamination of cumene derivatives catalyzed by a dirhodium( ii) catalyst. Org Chem Front 2022. [DOI: 10.1039/d2qo00461e] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
Using the single-electron oxidation cycle of a dirhodium catalyst, amination can form two primary C–N bonds in a one-step process.
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Affiliation(s)
- Zhifan Wang
- College of Chemistry, Sichuan University, Chengdu, 610041, P.R. China
| | - Beiqi Yang
- College of Chemistry, Sichuan University, Chengdu, 610041, P.R. China
| | - Qi Yang
- College of Chemistry, Sichuan University, Chengdu, 610041, P.R. China
| | - Yuanhua Wang
- College of Chemistry, Sichuan University, Chengdu, 610041, P.R. China
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3
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Affiliation(s)
- Radim Hrdina
- Institute of Organic Chemistry Justus-Liebig University Giessen Heinrich-Buff-Ring 17 35392 Giessen Germany
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4
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Fan Z, Wang Z, Shi R, Wang Y. Dirhodium( ii)-catalyzed diamination reaction via a free radical pathway. Org Chem Front 2021. [DOI: 10.1039/d1qo00894c] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Unlike C–N bond formation through the well-known dirhodium(ii)-nitrenoid pathway, dirhodium(ii)-catalyzed 1,2- and 1,3-diamination reactions are realized by a free radical mechanism.
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Affiliation(s)
- Zhiying Fan
- College of Chemistry, Sichuan University, Chengdu, 610041, P.R. China
| | - Zhifan Wang
- College of Chemistry, Sichuan University, Chengdu, 610041, P.R. China
| | - Ruoyi Shi
- College of Chemistry, Sichuan University, Chengdu, 610041, P.R. China
| | - Yuanhua Wang
- College of Chemistry, Sichuan University, Chengdu, 610041, P.R. China
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5
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Martínez-Castro E, Suárez-Pantiga S, Mendoza A. Scalable Synthesis of Esp and Rhodium(II) Carboxylates from Acetylacetone and RhCl 3· xH 2O. Org Process Res Dev 2020; 24:1207-1212. [PMID: 32587455 PMCID: PMC7309316 DOI: 10.1021/acs.oprd.0c00164] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2020] [Indexed: 11/28/2022]
Abstract
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Rhodium(II)
carboxylates are privileged catalysts for the most
challenging carbene-, nitrene-, and oxo-transfer reactions. In this
work, we address the strategic challenges of current organic and inorganic
synthesis methods to access these rhodium(II) complexes through an
oxidative rearrangement strategy and a reductive ligation reaction.
These studies illustrate the multiple benefits of oxidative rearrangement
in the process-scale synthesis of congested carboxylates over nitrile
anion alkylation reactions, and the impressive effect of inorganic
additives in the reductive ligation of rhodium(III) salts.
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Affiliation(s)
- Elisa Martínez-Castro
- Department of Organic Chemistry, Arrhenius Laboratory, Stockholm University, 106 91 Stockholm, Sweden
| | - Samuel Suárez-Pantiga
- Department of Organic Chemistry, Arrhenius Laboratory, Stockholm University, 106 91 Stockholm, Sweden
| | - Abraham Mendoza
- Department of Organic Chemistry, Arrhenius Laboratory, Stockholm University, 106 91 Stockholm, Sweden
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6
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Biocatalytic allylic hydroxylation of unsaturated triterpenes and steroids by Bacillus megaterium CGMCC 1.1741. Bioorg Chem 2020; 99:103826. [DOI: 10.1016/j.bioorg.2020.103826] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2020] [Revised: 03/16/2020] [Accepted: 04/05/2020] [Indexed: 11/18/2022]
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7
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Wang Y, Fang Z, Chen X, Wang Y. Dirhodium(II)-Catalyzed C(sp 2 )-H Azidation of Benzaldehydes. Chemistry 2020; 26:6805-6811. [PMID: 32045045 DOI: 10.1002/chem.201905855] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2019] [Indexed: 12/12/2022]
Abstract
Multiple steps are needed to achieve the C-H functional of aromatic aldehyde, since the C-H functional reaction usually occurs preferentially at the aldehydic C-H bond over the aryl C-H bond. We report an efficient azidation method mediated by dirhodium(II) catalysts to achieve the direct aryl azidation of aromatic aldehydes avoiding the simultaneous use of protected aldehydes and prefunctionalized arenes. The regioselectivity of this method is similar to those of typical aromatic electrophilic substitution reactions. The resulting azidobenzaldehyde products are versatile building blocks or precursors for the synthesis of many biologically active compounds. The mechanism studies indicate that the one-electron oxidative intermediate Rh2 (II,III) N3 is responsible for the azide transfer.
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Affiliation(s)
- Yi Wang
- College of Chemistry, Sichuan University, Chengdu, 610064, P. R. China
| | - Zaixiang Fang
- College of Chemistry, Sichuan University, Chengdu, 610064, P. R. China
| | - Xiaochuan Chen
- College of Chemistry, Sichuan University, Chengdu, 610064, P. R. China
| | - Yuanhua Wang
- College of Chemistry, Sichuan University, Chengdu, 610064, P. R. China
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8
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Wang Y, Chen X, Jin H, Wang Y. Mild and Practical Dirhodium(II)/NHPI-Mediated Allylic and Benzylic Oxidations with Air as the Oxidant. Chemistry 2019; 25:14273-14277. [PMID: 31361049 DOI: 10.1002/chem.201902739] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2019] [Revised: 07/28/2019] [Indexed: 11/08/2022]
Abstract
Aerobic allylic and benzylic oxidations catalyzed by dirhodium(II) complexes with N-hydroxyphthalimide (NHPI) are described. The open flask reaction occurs at mild temperature, using air as the oxidant. Mechanistic studies suggest that dirhodium(II) complexes axially coordinate with NHPI to activate the O-H bond in NHPI and decrease the bond-dissociation energy (BDE).
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Affiliation(s)
- Yi Wang
- Key Laboratory of Green Chemistry & Technology of Ministry of, Education, College of Chemistry, Sichuan University, Chengdu, 610064, P.R. China
| | - Xiaochuan Chen
- Key Laboratory of Green Chemistry & Technology of Ministry of, Education, College of Chemistry, Sichuan University, Chengdu, 610064, P.R. China
| | - Hong Jin
- Key Laboratory of Bio-Resource and Eco-Environment of Ministry of, Education, College of Life Sciences, Sichuan University, Chengdu, 610064, P.R. China
| | - Yuanhua Wang
- Key Laboratory of Green Chemistry & Technology of Ministry of, Education, College of Chemistry, Sichuan University, Chengdu, 610064, P.R. China
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9
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Fang Z, Wang Y, Wang Y. Synthesis of 4-Iodoisoquinolin-1(2 H)-ones by a Dirhodium(II)-Catalyzed 1,4-Bisfunctionalization of Isoquinolinium Iodide Salts. Org Lett 2019; 21:434-438. [PMID: 30615466 DOI: 10.1021/acs.orglett.8b03614] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
An efficient Rh2(II,II)-catalyzed reaction has been developed under mild conditions. This synthetic method proceeds through iodination/oxidation of readily available isoquinolinium iodide salts under aerobic conditions with good to excellent yields. 4-Iodoisoquinolin-1(2 H)-ones are important building blocks for biologically and medicinally important compounds. The developed methodology was applied to the gram-scale synthesis of a key intermediate in the synthesis of the CRTH2 antagonist CRA-680.
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Affiliation(s)
- Zaixiang Fang
- College of Chemistry , Sichuan University , Chengdu 610064 , P.R. China
| | - Yi Wang
- College of Chemistry , Sichuan University , Chengdu 610064 , P.R. China
| | - Yuanhua Wang
- College of Chemistry , Sichuan University , Chengdu 610064 , P.R. China
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10
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Wang Y, Fang Z, Chen X, Wang Y. Mild Dirhodium(II)-Catalyzed Chemo- and Regioselective Azidation of Arenes. Org Lett 2018; 20:5732-5736. [DOI: 10.1021/acs.orglett.8b02446] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- Yi Wang
- Key Laboratory of Green Chemistry & Technology of Ministry of Education, College of Chemistry, Sichuan University, Chengdu 610064, P. R. China
| | - Zaixiang Fang
- Key Laboratory of Green Chemistry & Technology of Ministry of Education, College of Chemistry, Sichuan University, Chengdu 610064, P. R. China
| | - Xiaochuan Chen
- Key Laboratory of Green Chemistry & Technology of Ministry of Education, College of Chemistry, Sichuan University, Chengdu 610064, P. R. China
| | - Yuanhua Wang
- Key Laboratory of Green Chemistry & Technology of Ministry of Education, College of Chemistry, Sichuan University, Chengdu 610064, P. R. China
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11
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Kuang Y, Ning Y, Zhu J, Wang Y. Dirhodium(II)-Catalyzed (3 + 2) Cycloaddition of the N-Arylaminocyclopropane with Alkene Derivatives. Org Lett 2018; 20:2693-2697. [DOI: 10.1021/acs.orglett.8b00904] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Yi Kuang
- Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences, Chengdu 610046, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Yangbo Ning
- College of Chemistry, Sichuan University, Chengdu 610046, China
| | - Jin Zhu
- Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences, Chengdu 610046, China
| | - Yuanhua Wang
- College of Chemistry, Sichuan University, Chengdu 610046, China
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