Tetrahedron p. 3355 - 3364 (1999)
Update date:2022-07-30
Topics:
Draper, Richard W.
Bin, Hu
McPhail, Andrew T.
Puar, Mohindar S.
Vater, Eugene J.
Weber, Lois
An efficient two stage synthesis of the steroid anti-inflammatory agent mometasone 17-furoate (Sch 32088) 4 from 17α,21-dihydroxy-16α-methyl- 9β,11β-oxidopregna-1,4-diene-3,20-dione 6 is described and the structures of unusual δ-hydroxy-γ-sultone byproducts of 4-dimethylaminopyridine catalyzed methanesulfonylation of 21-hydroxy-20-ketosteroids are deduced.
View MoreDayang Chem (Hangzhou) Co.,Ltd.
website:http://www.dycnchem.com
Contact:+86-571-88938639
Address:9/F, Unit 2 Changdi Torch Building, 259# WenSan Road, Xihu District, Hangzhou City 310012, P.R.China
WEIFANG RICHEM INTERNATIONAL LTD
Contact:86-536-2222176
Address:weifang,shandong
Contact:+86-28-88523492
Address:714rooms of Time Square, Pujiang County
ChangZhou XiaQing Chemical Co., Ltd.
Contact:+86-519-88721665
Address:3# Hengluo Road, Henglin Town, Changzhou City, Jiangsu Province,China
Shijiazhuang Yunxuan Im&Export Co.,Ltd.
Contact:+86-311-83037514
Address:No.6 Hongbin Road
Doi:10.1021/ja00747a019
(1971)Doi:10.1002/ardp.19943270812
(1994)Doi:10.1021/np980418z
(1999)Doi:10.1016/S0040-4020(99)00091-5
(1999)Doi:10.1039/c6tc00358c
(2016)Doi:10.1021/jo981620+
(1999)