期刊
TETRAHEDRON LETTERS
卷 43, 期 41, 页码 7345-7347出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/S0040-4039(02)01720-3
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A new and rapid approach to [5]helicenes is described. A central feature is the use of a sequential, non-reducing radical cyclisation reaction of (Z,Z)-1,4-bis(2-iodostyryl)benzene derivatives, viz. 3-->1, mediated by tributyltin hydride. (C) 2002 Elsevier Science Ltd. All rights reserved.
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