期刊
TETRAHEDRON LETTERS
卷 43, 期 33, 页码 5723-5726出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/S0040-4039(02)01207-8
关键词
allenes; alcohols; substitution; dienes
1-Aryl-3-halo-1,3-dienes were prepared from the sequential addition-elimination reaction of 1-aryl-2,3-allenols with LiX (X = Br, Cl) in HOAc in moderate to good yields. Here the aromatic substituent is crucial to this interesting transformation since no reaction was observed with 1-alkyl or perfluoroalkyl-2,3-allelols. The 1-aryl-3-halo-1,3-dienes prepared can be used as Useful partners in Diels-Alder reactions with dienophiles leading to polycyclic quinone derivatives, (C) 2002 Elsevier Science Ltd. All rights reserved.
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