Diene synthesis with dienophiles containing hetero-atoms

CONTENTS
I. Introduction 407
II. Diene synthesis with azo-compounds 408
III. Diene synthesis with nitroso-compounds 412
IV. Diene synthesis with N-sulphinylamines and N-sulphinylamides 416
V. Diene synthesis with carbonyl and thiocarbonyl compounds 418
VI. Diene synthesis with nitriles 419
VII. Diene synthesis with azomethines 420
VIII. Diene synthesis with imidoyl chlorides 421
IX. Diene synthesis with quaternary immonium salts 421