Palladium-catalyzed oxidation of benzylated aldose hemiacetals to lactones
摘要:
Benzyl protected sugar hemiacetals are oxidized to the corresponding lactones in excellent yields using bromobenzene, K2CO3 and the Pd(OAc)(2)/PPh3 catalytic system. (C) 2004 Elsevier Ltd. All rights reserved.
Reaction of pyranoid and furanoid aldonolactones with chloromethyltrimethylsilane-derived reagents
作者:Brigitte I. Glänzer、René Csuk
DOI:10.1016/0008-6215(91)80007-a
日期:1991.11
Abstract Reaction of pyranoid and furanoid aldonolactones with trimethylsilylmethyl-lithium provides a convenient route to carbon-chain-elongated methyl ketones. Reaction of the lactones with chloro(trimethylsilyl)methyl-lithium gives the corresponding chloromethylketones.