Abstract
The conversion of the hydrazides of trityl amino acids and trityl peptides into the corresponding azides was found to proceed, under carefully selected conditions, without significant loss of the trityl group in spite of the sensitivity of the trityl nitrogen bond toward acidic reagents. Based on this observation the use of the Curtius azide method was successfully applied to the synthesis of trityl peptides. The results of an investigation on an alternative pathway for the synthesis of trityl amino acid hydrazides are reported.
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