Studies on the Syntheses of Sulfur Containing Pyrimido[5, 4-d]pyrimidine Derivatives. II. Syntheses and Rearrangement of 2-Methylsulfonyl-pyrimido[5, 4-d]pyrimidine-6-sulfonamide Derivatives
نویسندگان
چکیده
منابع مشابه
SYNTHESES, ANTIBACTERIAL AND ANTIFUNGAL ACTIVITIES OF 2-ARYL-4- QUINOLINE- CARBOXAMIDE DERIVATIVES
Reaction of aryl methyl ketone with isatin in the presence of a base afforded 2- arylquinoline-4-carboxylic acid (3). Reaction of diazomethane with compound 3 yielded the ester 4. Compound 5 was prepared from the reaction of N, N'-dialkylethyl (or propyl) arnine with 4. Addition of hydrazine hydrate to compound 4a gave 2- (2- pyridyl) quinoline-4-carboxylic acid hydrazide (6). Reaction of l...
متن کاملsyntheses, antibacterial and antifungal activities of 2-aryl-4- quinoline- carboxamide derivatives
reaction of aryl methyl ketone with isatin in the presence of a base afforded 2- arylquinoline-4-carboxylic acid (3). reaction of diazomethane with compound 3 yielded the ester 4. compound 5 was prepared from the reaction of n, n'-dialkylethyl (or propyl) arnine with 4. addition of hydrazine hydrate to compound 4a gave 2- (2- pyridyl) quinoline-4-carboxylic acid hydrazide (6). reaction of ...
متن کاملSyntheses of Anisomycin Derivatives
The structure of anisomycin has been determined by X-ray investigation4 and the absolute configuration was confirmed by chemical correlation.5 Anisomycin has attracted considerable synthetic interest, and several synthetic studies, derivative syntheses as well as total syntheses, have been reported.6 Especially, the synthesis of its analogues has revealed the structure-activity relationship of ...
متن کاملBenzylpiperazine derivatives. IV. Syntheses and cerebral vasodilating activities of 1-benzyl-4-diphenylmethylpiperazine derivatives.
A considerable body of literature exists on the biological activity of compounds containing the piperazine moiety. In the field of 1-benzyl-4-diphenylmethylpiperazines, antihistaminics,2-4) tranquillizers,5,6) and vasodilators7) have been reported. Some of them, such as buclizine (1), meclizine (2) and medibazine (3), have been used clinically. More recently, 1-diphenylmethyl-4-(4-hydroxybenzyl...
متن کاملSyntheses of 4-Indolylquinoline Derivatives via Reductive Cyclization of Indolylnitrochalcone Derivatives by Fe/HCl.
An easy and efficient procedure for the synthesis of 4-indolylquinoline derivatives is described. This process involves two steps, the first of which is the Michael addition of indole to nitrochalcones promoted by sulfamic acid under solvent free conditions and the second step is a reductive cyclization of the indolylnitrochalcone intermediates to 4-indolylquinoline derivatives by Fe/HCl in eth...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: YAKUGAKU ZASSHI
سال: 1976
ISSN: 0031-6903,1347-5231
DOI: 10.1248/yakushi1947.96.5_586