Abstract
CONTENTS
I. Introduction 662
II. Syntheses with lengthening of the polyphenyl chain 663
III. Syntheses without alteration of the cyclic carbon skeleton (dehydrogenation) 669
IV. Syntheses without alteration of the aromatic carbon skeleton 672
V. Syntheses with isomerisation and fission of the cyclic carbon skeleton 674
VI. Syntheses with formation of individual units of the polyphenyl chain (dehydrocyclisation) 674