
Advanced Synthesis and Catalysis p. 54 - 60 (2008)
Update date:2022-08-05
Topics:
He, Rongjun
Toy, Patrick H.
Lam, Yulin
An efficient synthesis of a polymer-supported Hantzsch 1,4-dihydropyridine ester has been developed and its use in a variety of reduction reactions was studied using α,β-unsaturated aldehydes, imines and an activated benzoquinone as substrates. Reductive amination using the polymer-supported Hantzsch 1,4-dihydropyridine ester and a catalytic amount of 1.5 M HCl was found to proceed rapidly and with good yields.
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