Azuleno thiazoles

Structures comprising Two Five-Membered Rings and One Seven-Membered Ring (5,5,7).—Azuleno[2,l-d]thiazoles [C3NS-CS-C7]. The reaction between the substituted azulenes (171 R = H or C02Et) and neutral or basic alumina gives the title compounds (172). ... 

Aza-azuleno[2,3-d]thiazoles [C3NS-C4N-C7]. The reaction between 3-thiocyanato-2-amino-l-aza-azulene and acetic anhydride gives (173 R = Ac), which can be hydrolysed to (173 R = H)/ ... 

Azuleno[l,2-i/ thiazole, A-60356 Azuleno[2,l-J thiazole, A-60357 Naphtho[ 1,8- e]-1,3-thiazine, N-80009 2-(Phenylethynyl)thiazole, P-60099... 

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