Chemistry of Heterocyclic Compounds p. 807 - 810 (1980)
Update date:2022-08-29
Topics:
Dorofeenko, G. N.
Koblik, A. V.
Polyakova, T. I.
Murad'yan, L. A.
A method for the synthesis of 4,6,8-trimethyl- and 4,8-dimethyl-6-(2-thienyl, 2-benzothiazolyl)azulenes from 2,6-dimethyl-4-(methyl, 2-thienyl, 2-benzothiazolyl)-pyrylium perchlorates and cyclopentadienyllithium is described.The possibility of direct pyrylation of azulenes with 2,6-diphenylpyrylium perchlorate is demonstrated.Azulenes with a pyrylium ring in the 1 position were synthesized, and their behavior with respect to ammonium acetate was investigated.
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(1972)
