Isotopic labelling studies for a gold-catalysed skeletal rearrangement of alkynyl aziridines.
Isotopic labelling studies for a gold-catalysed skeletal rearrangement of alkynyl aziridines.
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DOI:
10.3762/bjoc.7.96
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发表时间:
2011
影响因子:
2.7
通讯作者:
Spencer N
中科院分区:
文献类型:
--
作者:
Davies PW;Martin N;Spencer N
Isotopic labelling studies were performed to probe a proposed 1,2-aryl shift in the gold-catalysed cycloisomerisation of alkynyl aziridines into 2,4-disubstituted pyrroles. Two isotopomers of the expected skeletal rearrangement product were identified using 13C-labelling and led to a revised mechanism featuring two distinct skeletal rearrangements. The mechanistic proposal has been rationalised against the reaction of a range of 13C- and deuterium-labelled substrates.
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