Process for selective production of aryl 5-thio-beta-d- aldohexopyranosides
申请人:Sato Masakazu
公开号:US20050256317A1
公开(公告)日:2005-11-17
The present invention provides a method for preparing an aryl 5-thio-β-D-aldohexopyranoside derivative of Formula (III), which comprises reacting a 5-thio-D-aldohexopyranose derivative of Formula (I) with Ar—OH of Formula (II) in the presence of a phosphine represented by PR
11
R
12
R
13
and an azo reagent represented by R
21
—N═N—R
22
in accordance with the following scheme.
PROCESS FOR SELECTIVE PRODUCTION OF ARYL 5-THIO-BETA-D-ALDOHEXOPYRANOSIDES
申请人:TAISHO PHARMACEUTICAL CO., LTD
公开号:EP1541578A1
公开(公告)日:2005-06-15
The present invention provides a method for preparing an aryl 5-thlo-β-D-aldohexopyranoside derivative of Formula (III), which comprises reacting a 5-thio-D-aldohexopyranose derivative of Formula (I) with Ar-OH of Formula (II) in the presence of a phosphine represented by PR11R12R13 and an azo reagent represented by R21-N=N-R22 in accordance with the following scheme.