期刊
TETRAHEDRON LETTERS
卷 42, 期 49, 页码 8685-8688出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/S0040-4039(01)01836-6
关键词
allylation; tin; cyclisation; Sakurai reactions; carbamate; bismuth
A novel sequence, involving the condensation between a highly functionalised allylstannane and various aldehydes, followed by a bismuth triflate-promoted intramolecular Sakurai cyclisation (IMSC) of the resulting homoallylic alcohols, allows a rapid and stereocontrolled access to a range of polysubstituted tetrahydropyrans. (C) 2001 Elsevier Science Ltd. All rights reserved.
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