Regioselective acylation of 6-O-protected octyl β-d-glucopyranosides by DMAP catalysis-Science-Chemical Encyclopedia-lookchem

Regioselective acylation of 6-O-protected octyl β-d-glucopyranosides by DMAP catalysis
Add time:09/04/2019 Source:sciencedirect.com

Regioselectivity of acylation of 6-O-protected octyl β-d-glucopyranosides was investigated. Treatment of octyl 6-O-methyl-β-d-glucopyranoside with isobutyric anhydride in the presence of DMAP in toluene at −40 °C gave 3-O-isobutyryl derivative in >99% regioselectivity. Similar treatment of octyl 6-O-TBS-β-d-glucopyranoside at −20 °C also gave 3-O-isobutyryl derivative in >99% regioselectivity.

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