
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 MoreMeryer (Shanghai) Chemical Technology Co., Ltd.
website:http://www.meryer.com/cn/index/
Contact:+86-755-86170518
Address:Minhang,Shanghai, China
Daicel Chiral Technologies (China)CO.,LTD
Contact:021-5046-0086*8
Address:Part C, FL 5, the 16th Building, No. 69, XiYa Road, WaiGaoQiao Free Trade Zone, Shanghai, 200131, P.R.China
Chengdu Baishixing Science and Technology Industry Co., Ltd.
website:http://www.cd-bsx.com
Contact:+86-28-88531548
Address:#217,North of Industry Road,Heshan Town,Pujiang County,Chengdu,Sichuan,China.
Nanjing Spring & Autumn Biological Engineering Co., Ltd.
Contact:86-180510-83338
Address:Suite# 210, No. 1 BuildingNanjing Agricultural Biotechnology High-tech Entrepreneurship Center, No. 4 Tongwei Road, Xuanwu District, Nanjing,China
Shanghai HengXun Pharmaceutical Tech. Co., Ltd.
Contact:86-86-52730756
Address:Room 603, No. 240, Tianmuzhong Road, Zhabei, Shanghai, China
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)