Azulenic β-diketones were synthesized in the reaction of different β-diketones with 1-
azulenecarboxylic acid chloride, in the presence of MgCl2 and pyridine, as a result of …

(Azulen-1-yl) carboxylic acids 3-substituted by 2-(thiazol-2-or 3-yl)-ethenyl groups and their
esters were synthesized starting either from the corresponding 1-azulenyl-2-thiazolyl …

The synthesis of 4‐azulene‐substituted 2, 6‐diphenyl‐and 2, 6‐dimethyl‐pyranylium salts
and 2‐azulenesubstituted 4, 6‐dimethyl‐pyranylium salts by nucleophilic substitution at …

A FACILE METHOD FOR THE SYNTHESIS OF AZULEN0[2,1-blFURAN AND AZULEN0[2,1-blPYRROLE
DERIVATIVES AND THEIR SOME PROPERTIES Tadayos Page 1 HETEROCYCLES, Vol 15 …

A practical procedure for synthesis of 6-aminoazulene (3) via Vicarious Nucleophilic
Substitution of Hydrogen (VNS) amination of azulene with 4-amino-1, 2, 4-triazole is …

A variety of synthetic methods have been developed for azulene derivatives due to their
potential applications in pharmaceuticals and organic materials. Particularly, 2 H-cyclohepta …

In this paper, we report on a novel approach to such compounds. We know [7] that in acid
medium, 2-R-phenyl (difuryl) methanes undergo recyclization, which leads to formation of …

Synthesis of azulenic compounds with a homo- or hetero-atomic double bond at position 1 Page
1 DEFINITIVE COPY. DO NOT DELETE THIS MESSAGE. Please ensure that all changes are …

Methyl 3-bromoacetylazulene-1-carboxylate (1) reacted with 2-aminopyridines (2a-f) to give
methyl 3-(imidazo [1, 2-a] pyrid-2-yl) azulene-1-carboxylates (3a-f). Similarly, the reactions …

2, 3-Di (2-azulenyl) pyrazines and-quinoxalines were obtained by the reaction of di (2-
azulenyl) ethanedione with diamines. Cyclodehydrogenation reaction of the pyrazine and …