102. Conjugated cyclic hydrocarbons and their heterocyclic analogues. Part II. The condensation of azulenes with homocyclic and heterocyclic aromatic aldehydes in the presence of perchloric acid

Abstract

E. C. Kirby and D. H. Reid, J. Chem. Soc., 1960, 494 DOI: 10.1039/JR9600000494