ISSN:
1434-4475
Keywords:
Imidazo(2,1-b)-1,3,4-thiadiazoles, 2-amino-6-aryl
;
Imidazo(2,1-b)-1,3,4-thiadiazolo(3,2-a) pyrimidones-(6)
;
1,3-Ketocarboxylates, condensation with-
;
PPA, cyclisation with-
Source:
Springer Online Journal Archives 1860-2000
Topics:
Chemistry and Pharmacology
Notes:
Abstract 2-Amino-6-aryl-imidazo(2,1-b)-1,3,4-thiadiazoles (1 a-f) were condensed with 1,3-ketocarboxylates e. g. ethyl-butyroacetate, ethyl-benzoylacetate, 4-nitrobenzoylacetate or ethyl-cyclopentanone(2)-carboxylate and ethyl-cyclohexanone(2)-carboxylate directly to imidazo(2,1-b)-1,3,4-thiadiazolo(3,2-a) pyrimidones-(6) (4 a-f, 5 a-f, 6 d, e, 7 a-f, 8 a, d).
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1007/BF00911087
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