نتایج جستجو برای: quinazoline

تعداد نتایج: 941  

Journal: :Bulletin of the Chemical Society of Japan 1984

2010
De-Liang Li Yang Wu Qiang Wang Gu He Luo-Ting Yu

In the title compound, C(14)H(11)BrN(4), the fused benzene and pyrimidine rings are nearly coplanar, making dihedral angles of 1.26 (14) and 3.53 (15)° in the two independent mol-ecules. In the crystal structure, π-π stacking inter-actions [centroid-centroid distances = 3.4736 (19) and 3.5416 (19) Å] and weak N-H⋯N and N-H⋯Br inter-actions contribute to the stability of the structure.

Journal: :Acta Crystallographica Section A Foundations of Crystallography 2012

Journal: :Acta Crystallographica Section E Structure Reports Online 2005

Journal: :Chemical and Pharmaceutical Bulletin 1964

C.Maliikarjuna Setty Mahendra Kumar C.B Pranesh Patwari K Subhas Sahoo,

Substituted 1, 2, 4- Triazoles have shown multiple biological activities such as anti-inflammatory, anti fungal, etc. 5-mercapto triazoles were prepared from the potassium dithiocarbazinates. These triazoles were used for preparation of different derivatives by two different schemes. In the first scheme the Mannich bases were prepared from 5- marcapto-s triazole Quinazolines. The 5-Marcato-s-Tr...

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