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 Morewebsite:http://www.truewingroup.com
Contact:86-311-66699812
Address:NO.600 ZHONGSHAN EAST ROAD SHIJIAZHUANG
ShiJiaZhuang Dowell Chemical Co.,Ltd.
website:http://www.dowechem.com
Contact:+86-13463963265
Address:Xiyangling village, high tech Zone, Shijiazhuang，Hebei, China
HAINAN JINYING IMPORT AND EXPORT CO. LTD
Contact:+86-898-32875423
Address:A SECTION 19TH FL, TIMES SQUARE, NO.2 GUO MAO AVENUE HAIKOU, HAINAN, P. R. OF CHINA
Shanghai Science Peptide Biological Technology Co.,ltd
website:http://www.scipeptide.com
Contact:+86-21-51099675
Address:No.8 Changyang Rd
NINGBO PANGS CHEM INT’L CO., LTD.
Contact:+86-0574-27666801
Address:Floor 21, Building 11, Xintiandi, No. 689, Shijiroad, Ningbo, Zhejiang, 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)
