Some reactions of nitriles with the formation of a new nitrogen–carbon bond

CONTENTS
I. Introduction 331
II. N-substituted nitrilium salts 332
III. Preparation of bis-amides by reaction of nitriles with aldehydes 333
IV. Synthesis of N-substituted amides by the Ritter reaction 334
V. Other syntheses of N-substituted amides 336
VI. Preparation of heterocyclic compounds under the conditions of the Ritter reaction 337
VII. Preparation of 1,3,5-triazines 337
VIII. Other syntheses of heterocyclic compounds 339
IX. Reactions of nitriles with carboxylic acids 340