A convenient procedure for the preparation of α-aminoallenes using a three-component reaction of aldehyde, carbamate and propargylsilane
摘要:
A three-component reaction is described using an aldehyde, a carbamate and trimethylpropargylsilane in the presence of a Lewis acid for the production in moderate to good yield of alpha-allenyl amines. The reaction is applicable to aromatic or aliphatic aldehydes, The obtained alpha-aminoallenes are transformed into Delta(3)-pyrrolidines or amino acids by Using the reactivity of the cumulene function. (C) 2002 Elsevier Science Ltd. All rights reserved.
A convenient procedure for the preparation of α-aminoallenes using a three-component reaction of aldehyde, carbamate and propargylsilane
摘要:
A three-component reaction is described using an aldehyde, a carbamate and trimethylpropargylsilane in the presence of a Lewis acid for the production in moderate to good yield of alpha-allenyl amines. The reaction is applicable to aromatic or aliphatic aldehydes, The obtained alpha-aminoallenes are transformed into Delta(3)-pyrrolidines or amino acids by Using the reactivity of the cumulene function. (C) 2002 Elsevier Science Ltd. All rights reserved.