Easy and straightforward access to α-aminonitrile units by one-potsynthesis through a reductive Strecker cyanation from readily available formamides. The reaction is broad in scope and the conditions are mild, inexpensive, and easy to set-up, providing numerous α-aminonitriles in good yields (34 examples, 41–94 % yield).
A simple and efficient one-pot method was developed to give α-aminonitriles from aldehydes + amines + TMSCN in LPDE. Optically active α-aminonitriles were snythesized by using (S)-(−)- or (R)-(+) α-methylbenzylamine, (S)-(−) α-methylbenzylamine affords predominantly S-aminonitriles and (R)-(+) α-methylbenzylamine leads to the R-aminonitriles.
ABSTRACT In the presence of 10 mol% of La(O-i-Pr)3, a three-component condensationreaction of aldehyde, secondary amine and trimethylsilylcyanide proceeded smoothly to afford N,N-dialkyl-α-cyanoamine in good yield.
alpha-Amino nitriles are synthesized by the three-component coupling reaction of aldehydes, amines and trimethylsilyl cyanide using sulfamic acid as a heterogeneous solid acid catalyst, under solvent-free conditions in excellent yields. The catalyst was recovered by simple filtration and was recycled in subsequent reactions. (c) 2007 Elsevier Ltd. All rights reserved.
Anatol; Torelli, Bulletin de la Societe Chimique de France, 1954, p. 1446,1448