ahmed_elsayed

أ.د./ أحمد جابر أحمد السيد

استاذ - أستاذ

كلية التربية

العنوان: كلية التربية - قسم المناهج وطرق التدريس

161

إعجاب

المنشورات و المؤلفات التي تحتوي علي الكلمة المفتاحية: 4-Triazole


2018-11-14 13:47:52 الكلمات المفتاحية 1, 2, 4-Triazole,
Synthesis and Antibacterial Activity of Some New 4-anilino-5-phenyl-4H-1,2,4-triazole-3-thiol derivatives
4-Anilino-5-phenyl-4H-1,2,4-triazole-3-thiol (1) reacted with formaldehyde and different amines to give Mannich bases 2a–i. Treatment of compound 1 with formaldehyde afforded the corresponding 2-hydroxymethyl derivative 3, which upon its reaction with thionyl chloride yielded the corresponding chloromethyl derivative 4. Treatment of compound 4 with some thiols gave the corresponding sulfides 5a–f. The ring closure reaction of chloromethyl derivative 4 with hydrazine ... إقراء المزيد

2018-10-30 09:47:43 الكلمات المفتاحية Substituted(1, 5)benzodiazepin, 1, 3-Oxazino, 1, 3-Oxazine, 1, 2, 4-Triazole,
A Novel Synthesis of Pyrano(2,3-c)-1,3-Oxazino(2,3-b)-1,2,4-Triazolo(3,4-b)- and 3-Substituted(1,5)benzodiazepin-2-one
A Novel Synthesis of Pyrano(2,3-c)-1,3-Oxazino(2,3-b)-1,2,4-Triazolo(3,4-b)- and 3-Substituted(1,5)benzodiazepin-2-one إقراء المزيد

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