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|Title:||Polymer-supported hantzsch 1,4-dihydropyridine ester: An efficient biomimetic hydrogen source for the reduction of ketimines and electron-withdrawing group conjugated olefins|
Polymer-supported reducing agents
|Citation:||Che, J., Lam, Y. (2010-07-05). Polymer-supported hantzsch 1,4-dihydropyridine ester: An efficient biomimetic hydrogen source for the reduction of ketimines and electron-withdrawing group conjugated olefins. Advanced Synthesis and Catalysis 352 (10) : 1752-1758. ScholarBank@NUS Repository. https://doi.org/10.1002/adsc.201000093|
|Abstract:||A polymer-supported Hantzsch 1,4-dihydropyridine ester was observed to be a useful selective reducing agent for the reduction of ketimines and electron-withdrawing conjugated olefins. The rate of the reduction of electron-withdrawing conjugated olefins is dependent on the nature of the conjugated substituents and could be enhanced by microwave irradiation. The reduction of (Z)-α-cyano-β-bromomethylcinnamates to cyclopropane derivatives using polymer-supported Hantzsch 1,4-dihydropyridine ester was found to proceed stereoselectively and in good yields. © 2010 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim.|
|Source Title:||Advanced Synthesis and Catalysis|
|Appears in Collections:||Staff Publications|
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