Synthesis of substituted pyrazoles via tandem cross-coupling/electrocyclization of enol triflates and diazoacetates.
Synthesis of substituted pyrazoles via tandem cross-coupling/electrocyclization of enol triflates and diazoacetates.
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DOI:
10.1021/jo201042c
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发表时间:
2011-08-05
影响因子:
3.6
通讯作者:
Frantz, Doug E.
中科院分区:
文献类型:
--
作者:
Babinski, David J.;Aguilar, Hector R.;Still, Raymond;Frantz, Doug E.
The synthesis of 3,4,5-trisubstituted pyrazoles via a tandem catalytic cross-coupling/electrocyclization of enol triflates and diazoacetates is presented. The initial scope of this methodology is demonstrated on a range of differentially substituted acyclic and cyclic enol triflates as well as an elaborated set of diazoacetates to provide the corresponding pyrazoles with a high degree of structural complexity.
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