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1
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Sun L. Advances in the discovery and development of selective heme-displacing IDO1 inhibitors. Expert Opin Drug Discov 2020; 15:1223-1232. [DOI: 10.1080/17460441.2020.1781811] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Lijun Sun
- Center for Drug Discovery and Translational Research, Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
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2
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Chen A, Li Z, Li M, Liu K, Li W, Tan C. A Simple and Robust Process for Large-Scale Synthesis of 4-Methylenepiperidine Hydrochloride. LETT ORG CHEM 2019. [DOI: 10.2174/1876402910666181030094143] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
4-Methylenepiperidine hydrochloride 1 is a key intermediate for synthesis of the novel antifungal
drug efinaconazole 2. In this work, a simple and robust process has been developed to synthesize
4-methylenepiperidine hydrochloride 1, with a high overall yield of 99.1% at a high purity of
99.7% in a large-scale. Moreover, this synthetic process avoided the uses of organolithium reagent and
column chromatography process which are not desirable for industrial production.
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Affiliation(s)
- Ao Chen
- Shanghai Pharma Group Changzhou Kony Pharmaceutical Co. Ltd., Changzhou, 213105, China
| | - Ziqian Li
- Undergraduate Department, University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Minghai Li
- Shanghai Pharma Group Changzhou Kony Pharmaceutical Co. Ltd., Changzhou, 213105, China
| | - Keke Liu
- Shanghai Pharma Group Changzhou Kony Pharmaceutical Co. Ltd., Changzhou, 213105, China
| | - Weimin Li
- School of Petrochemical Engineering, Changzhou University, Changzhou 213164, China
| | - Chen Tan
- School of Chemistry and Materials Science, University of Science and Technology of China, Hefei, 230026, China
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