Journal of the Chemical Society. Perkin transactions I p. 2010 - 2015 (1981)
Update date:2022-08-05
Topics:
Battersby, Alan R.
Jones, Raymond C. F.
Kazlauskas, Rymantas
Ottridge, Anthony P.
Poupat, Christiane
Staunton, James
Degradative schemes are reported for the alkaloids hasubanonine (1) and protostephanine (2) of Stephania japonica to allow labelling patterns to be determined.Acetolysis of (1) leads eventually to a phenanthrene (5c) by removal of the ethanamine bridge.N-Methylation and Hofmann elimination of (2) gives one major olefinic product, assigned structure (6a) from 1H n.m.r. data and confirmed by synthesis of specifically 13C-labelled material.
View MoreSichuan Highlight Fine Chemicals Co., Ltd.
Contact:+86-28-8525 1605
Address:A5-102 Airport base,388 West Airport Huang He Zhong Lu,2 Section
Dalian RSD International Trade Co.,Ltd.(expird)
Contact:86-22-60875058 58610575
Address:Wantong International Areas, Hongqiao District, Tianjin, China.China
Ningbo Inno Pharmchem Co., Ltd.
Contact:86-574-87319282
Address:6F-5,NO.163 RUIQING RD.,NINGBO 315000 CHINA
Jiangxi Province Bethel Pharmaceutical Co., Ltd.
Contact:+86-795-259 3456 ，+86-15957688008 13566650571
Address:Huangjindui Chemical Park， Shanggao County ，Yichun city，Jiangxi Province
Yantai Derun Liquid Crystal Materials Co. Ltd.
website:http://www.ytderun.com
Contact:86-535-6300169
Address:ROOM 90, XIANGFU STREET, FUSHAN NEW-HIGH-TECH IDUSTRY ZONE, YANTAI
Doi:10.1248/cpb.c19-00359
(2019)Doi:10.1071/CH9750065
(1975)Doi:10.1002/anie.202004671
(2020)Doi:10.1016/S0040-4039(00)96575-4
(1987)Doi:10.1016/S0040-4020(98)00377-9
(1998)Doi:10.14233/ajchem.2020.22432
(2020)
