Title: Preparation of furoic acid momisone
Application Number: 99124380 Application Date: 1999.11.26
Publication Number: 1282744 Publication Date: 2001.02.07
Approval Pub. Date: 2004.05.12 Granted Pub. Date: 2004.05.12
International Classifi-cation: C07J17/00
Applicant(s) Name: Howieoni Jingt AG. Address:
Inventor(s) Name: W. Hegi;J. Bandla
Attorney & Agent: du jingyang
Abstract:
    Mometasone 17- furoate is made by direct esterification of the 17- hydroxyl group of mometasone using 2-furoyl chloride in the presence of a tertiary amine and an inert solvent, without prior protection of the free 11-hydroxy function.
Time: 4