期刊
TETRAHEDRON LETTERS
卷 42, 期 24, 页码 4053-4056出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/S0040-4039(01)00628-1
关键词
glycal; pseudoglycal; C-glycosides; ytterbium triflate; catalysis
A variety of functionalized C-pseudoglycals (pseudoglycal C-glycosides or C-hex-2-enopyranosides) have been obtained in excellent yields and stereoselectivity from the Yb(OTf)(3)-catalyzed reaction of tri-O-acelyl glucal with silylated nucleophiles such as allyl and propargyl silanes and silyl enol ethers. (C) 2001 Elsevier Science Ltd. All rights reserved.
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