Citation: Qian YANG, Xing Mei ZHU, Jin Song YANG. Silver(Ⅰ) Oxide Mediated Regioselective Monoacylation of 2,4-Dihydroxyls in L-Rhamnopyranosides[J]. Chinese Chemical Letters, ;2006, 17(8): 1009-1012. shu

Silver(Ⅰ) Oxide Mediated Regioselective Monoacylation of 2,4-Dihydroxyls in L-Rhamnopyranosides

Ministry of Education Key Laboratory of Drug Targeting, School of Pharmacy, Sichuan University, Chengdu 610041

Received Date: 23 January 2006

Fund Project: This study was financially supported by the National Natural Science Foundation of China (No. 30300434) and the Outstanding Youth Foundation of Sichuan Province (No. 04ZQ026-039).

A series of acyls (Ac, Bz and Ts) were introduced regioselectively to the 2-hydroxyl in methyl and ally 3-O-benzyl-α-L-rhamnopyranosides mediated by silver(Ⅰ) oxide in the presence of a catalytic amount of potassium iodide in 56-78% yields.
- Silver(Ⅰ) oxide,
- acylation,
- regioselectivity,
- α-L-rhamnopyranoside
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