The Journal of Organic Chemistry

Pteridines. 45. Synthesis and properties of some isothiazolo [4, 5-b] pyrazines and isothiazolo [4.5-g] pteridines

EC Taylor, E Wachsen

文献索引：Taylor,E.C.; Wachsen,E. Journal of Organic Chemistry, 1978 , vol. 43, p. 4154 - 4158

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被引用次数: 9

摘要

4154 J. Org. Chem., Vol. 43, No. 21, 1978 Taylor and Wachsen chloride. The resulting suspension was kept at room temperature for 12 h. Filtration and concentration left a syrup which crystallized on scratching. The solid was suspended in water, filtered, and recrystallized from acetonehexane giving colorless crystals. The N-benzoyl-N'- oxamoylureas 12c, 12d and 12f were prepared following procedures similar to the one ...