| Literature DB >> 20196574 |
Xiaoming Yang1, Qian Shi, Kenneth F Bastow, Kuo-Hsiung Lee.
Abstract
A new versatile synthetic methodology for the synthesis of enantiomerically pure natural phenanthroindolizidines and phenanthroquinolizidines has been established and described. Natural products R-antofine and R-cryptopleurine, as well as a novel E-ring expanded analogue 13c (E7), 12-oxo-S-antofine (17), and 12N-methyl-12-aza-S-antofine (18) were synthesized with the new method. This strategy will greatly facilitate future SAR studies on the natural alkaloids with E-ring variations.Entities:
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Year: 2010 PMID: 20196574 PMCID: PMC2849728 DOI: 10.1021/ol902819j
Source DB: PubMed Journal: Org Lett ISSN: 1523-7052 Impact factor: 6.005