Tetrahedron p. 3995 - 4006 (1993)
Update date:2022-08-04
Topics:
Lienard
Quirion
Husson
The condensation of 2-cyano-6-phenyloxazolopiperidine synthon (-)-5 with piperonal, gave after reduction, the optically pure pivotal amino-alcohol 8. Two strategies were developed to prepare the epimeric azapodophyllotoxin analogues 2 and 3 via Grignard reactions on an iminium ion generated from the common intermediate 8. The first strategy was based on an intramolecular reaction while the second involved a stereocontrolled addition reaction on iminium ion 20.
View MoreBeijing Cooperate Pharmaceutical Co.,Ltd
Contact:86-01060279497
Address:No.507,Building 4,Tianhua Street, Biomedicine industrial Base
Chengdu Gelipu Biotechnology Co., Ltd.
website:http://www.glp-china.com
Contact:86-28-82610909
Address:chegndu
Shanghai Mokai Pharmaceutical Co.,Ltd
Contact:021-60257269
Address:Rm506,No.915,Zhenbei Road,Shanghai,200333,China
Baicao Pharmaceutical Co., Ltd.
website:http://www.jxbaicao.com
Contact:+86-796-8113329
Address:It (country) economic and technological development zone of the jinggang mountains
Contact:86-21 60347964
Address:No.1304, West Meilong Road, Minhang District, Shanghai, China
Doi:10.1021/jm981094e
(1999)Doi:10.1016/S0957-4166(99)00183-4
(1999)Doi:10.1021/ja992077x
(1999)Doi:10.1021/jo00832a004
(1970)Doi:10.1021/acs.orglett.1c00260
(2021)Doi:10.1055/s-1999-2743
(1999)