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- W2072097023 abstract "Pyrimidin-4-one-2-thione (3) was synthesized via the reaction of thiourea (1) with ethyl benzoylacetate (2) and was taken as a starting material for the present study via its reactions with the halogen-containing reagents 6a-d and 10a-c to give the corresponding thiazolopyrimidines 8, 9 and 12a-c. The 2-hydrazino derivatives 5 were synthesized either via the reaction of 3 or 4 with hydrazine hydrate. Compound 5 reacted with 6a-c and 10a-c to give the corresponding pyrimidotriazines 17a-c and 19 respectively. Also, compound 5 reacted with the active methylene-containing reagents 13 and 2a,b to give the corresponding 2-pyrazolopyrimidines 15 and 22a,b respectively. On the other hand, the triazolopyrimidines 21a,b and 30a,b were also obtained via the reaction of 5 with each of formic acid, acetic anhydride, ethyl chloroformate and carbon disulfide respectively. Some of the newly synthesized heterocyclic derivatives were tested for their biological activity." @default.
- W2072097023 created "2016-06-24" @default.
- W2072097023 creator A5064683713 @default.
- W2072097023 creator A5086103440 @default.
- W2072097023 date "2010-06-12" @default.
- W2072097023 modified "2023-09-25" @default.
- W2072097023 title "ChemInform Abstract: Synthesis of Pyrimidine, Thiazolopyrimidine, Pyrimidotriazine, and Triazolopyrimidine Derivatives and Their Biological Evaluation." @default.
- W2072097023 cites W2951126183 @default.
- W2072097023 doi "https://doi.org/10.1002/chin.199945186" @default.
- W2072097023 hasPublicationYear "2010" @default.
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