
Helvetica Chimica Acta p. 671 - 683 (1982)
Update date:2022-08-03
Topics:
Widmer, Erich
Lukac, Teodor
Bernhard, Kurt
Zell, Reinhard
Starting from optically inactive astaxanthin intermediates, the highly oxygenated carotenoid astacene was synthesized in seven steps (55percent overall yield from 6-oxo-isophorone).Key features of the new approach are base- and acid-catalyzed rearrangements of acetylenic intermediates such as those described in Schemes 2, 7 and 8.
View MoreZhejiang Haizhou Pharmaceutical Co., Ltd.
website:https://www.haizhoupharma.com/
Contact:+86-576-88221016
Address:No. 19, Donghai 5th Avenue, Yanhai Industrial Zone, Linhai, Zhejiang, China
Contact:+86-731-84427351
Address:154 JIANXIANG SOUTH ROAD
website:http://www.chinabarton.com
Contact:+86-573-82719618
Address:No. 162 Fumin Road, Honghe Town,
Chongqing Rong&Quan Pharmaceutical Technology Co. , Ltd.
Contact:86-023-65268721
Address:No. 7, Manshanhong Village, Pingdingshan, Shapingba District, Chongqing Province, China
MTT Pharma & Bio-technology Co.,Ltd(expird)
Contact:+86-21-58407925
Address:Room2019, Building C, Tomson Center, No.158, Zhang Yang Road, Shanghai, China
Doi:10.1016/S0040-4039(00)87386-4
(1982)Doi:10.1016/S0008-6215(00)85549-4
(1981)Doi:10.1002/hlca.19620450331
(1962)Doi:10.1021/jf034735+
(2003)Doi:10.1002/jhet.5570190313
(1982)Doi:10.1007/BF00506579
(1982)