期刊
JOURNAL OF ORGANIC CHEMISTRY
卷 86, 期 2, 页码 1575-1582出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.joc.0c02410
关键词
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资金
- National Science Centre, Poland [2015/17/B/ST5/02892]
- EFRD within Operational Programme Development of Eastern Poland 2007-2013 [POPW.01.03.00-20-004/11]
- CONACYT [286638]
- [462529]
The paper presents a simple synthesis method of Demissidine stereoisomers and analogues from a common steroidal sapogenin tigogenin. Different stereoisomers and compounds were obtained through step-by-step transformation or direct reductive amination in the synthesis process.
Demissidine is an indolizidine alkaloid isolated from several potato species. A simple synthesis of demissidine stereoisomers and analogues from a common steroidal sapogenin tigogenin is presented in the paper. The key intermediate in the synthesis of these compounds is readily available tigogenoic acid. Its step-by-step transformation to indolizidine yielded 20R,25R or 20R,25S products while the direct reductive amination produced the 20S,25R compound (25-epi-demissidine).
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