Orientation in diene synthesis and its dependence on structure

CONTENTS
I. Introduction 267
II. 1-Substituted dienes 268
III. 2-Substituted dienes 269
IV. Disubstituted dienes 272
V. Trisubstituted dienes 273
VI. Disubstituted dienophiles 274
VII. Cyclic dienes 275
VIII. Dimerisation of monosubstituted dienes 276
IX. Dienes and dienophiles containing heteroatoms 276
X. Structural directivity and mechanism of diene synthesis 277