1,3,5-Trimethyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole → 3-(1,3,5-Trimethyl-1H-pyrazol-4-yl)phenyl 2,3,4-tri-O-acetyl-5-thio-beta-D-xylopyranoside

Participants

Reaction Steps

By carrying out the operation analogously to example 3, starting from 3-bromophenyl 2,3,4-tri-O-acetyl-5-thio-β-D-xylopyranoside, obtained according to preparation VII, and 4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1,3,5-trimethyl-1H-pyrazole, the expected product is obtained in the form of a white solid with a yield of 46%.

Provenance & Evidence