Linear Conjugated Systems Bearing Aromatic Terminal Groups. X. Syntheses and Electronic Spectra of α, ω-Di-1-naphthyl-and α, ω-Di-2-naphthylpolyenes

A Yasuhara, S Akiyama, M Nakagawa

Index: Yasuhara,A. et al. Bulletin of the Chemical Society of Japan, 1972 , vol. 45, p. 3638 - 3645

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Citation Number: 16

Abstract

Syntheses of di-1-naphthyl-and di-2-naphthylpolyenes (I n, n= 1–4, 6 and I n′, n= 1–6) have been carried out by the Wittig reaction. Naphthaldehydes (III and III′), 3-naphthyl-2- propenals (V and V′), 5-naphthyl-2, 4-pentadienals (VI and VI′) and muconic aldehyde were used as carbonyl components. Naphthylmethyltriphenylphosphonium halides (IV and IV′), 3-naphthyl-2-propenyltriphenylphosphonium bromides (XI and XI′) and 5-(2- ...