西垣 貞男 NISHIGAKI SADAO

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  • Synthesis of [1,2,3]thiadiazolo[5,4-d]pyrimidines.

    西垣 貞男 , 清水 香代子 , 千賀 慶太郎

    Treatment of 4, 6-dimethyl-v-triazolo [4, 5-d] pyrimidine-5, 7 (4H, 6H)-dione (I) with phosphorus pentasulfide in pyridine afforded 5, 7-dimethyl [1, 2, 3] thiadiazolo [5, 4-d] pyrimidine-4 (5H)-one-6 …

    Chemical and Pharmaceutical Bulletin 25(10), 2790-2791, 1977

    J-STAGE

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