Conjugate addition-initiated Nazarov cyclization.

Conjugate addition-initiated Nazarov cyclization.
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DOI:
10.1021/ja205440x
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发表时间:
2011-08-17
影响因子:
15
通讯作者:
Frontier, Alison J.
Frontier, Alison J.
中科院分区:
化学1区
文献类型:
--
作者:
Brooks, Joshua L.;Caruana, Patrick A.;Frontier, Alison J.

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一个反应序列涉及1,6-共轭加成的亲核试剂到二烯基二酮随后的纳扎罗夫环化描述。几种亲核试剂被确定为该序列的称职引发剂。当使用催化量的亲核试剂时,观察到不同的反应结果,包括在电环化后消除亲核试剂。
A reaction sequence involving the 1,6-conjugate addition of a nucleophile to a dienyl diketone followed by Nazarov cyclization is described. Several nucleophiles are identified as competent initiators for the sequence. A different reaction outcome is is observed when catalytic amounts of nucleophile are employed, involving elimination of the nucleophile after the electrocyclization.
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