Regioselective Benzoylation of Unprotected Β-Glycopyranosides with Benzoyl Cyanide and an Amine Catalyst – Application to Saponin Synthesis

Tianlu Li,Tong Li,Yajing Sun,Yue Yang, Panpan Lv,Fengshan Wang,Hongxiang Lou,Richard R. Schmidt, Peng

Organic chemistry frontiers（2021）

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摘要

Regioselective protection of trans-trans triol and tetrol moieties in carbohydrates was achieved with BzCN as the benzoylating agent and amine catalysts. The protocols are useful for the chemical synthesis of oligosaccharides and saponins.

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