Cyanoethylation, decyanoethylation, and transcyanoethylation

CONTENTS
I. Introduction 583
II. β-Halopropionitriles as cyanoethylating agents 583
III. Introduction of the cyanoethyl group by means of ethylene cyanohydrin 585
IV. Mobility of the cyanoethyl group bound to oxygen 585
V. The bond between a cyanoethyl group and sulphur 588
VI. The bond between a cyanoethyl group and nitrogen 588
VII. The bond between a cyanoethyl group and phosphorus 593
VIII. The bond between a cyanoethyl group and carbon 593
IX. Miscellaneous cases of transcyanoethylation, decyanoethylation, and the formation of acrylonitrile 594
X. Summary 594