Synthesis and structure analysis of 2-(2 -propanonylthio)-3-(o-methyl phenyl) quinazol-4(3H)-one
作者:M.B. Deshmukh、S.S. Patil、Anshu Sawhney
DOI:10.1023/b:jocc.0000047645.53340.5f
日期:2004.10
2-(2'-propanonylthio)3-(o-methyl phenyl)quinazol-4(3H)-one has been determined by X-ray crystallographic methods. This compound crystallizes in the orthorhombic space group Pbca with unit cell parameters: a=9.649(5), b=30.102(10), c=11.403(9)Å. It has been solved by direct methods and refined to a residual index of 0.054. The magnitude of torsion along C16— C11— N3— C4 bond is 93.5(4)°. The dihedral
2-(2'-propanonythio)3-(o-methyl phenyl)quinazol-4(3H)-one 的三维分子和晶体结构已通过 X 射线晶体学方法确定。该化合物在正交空间群 Pbca 中结晶,晶胞参数为:a=9.649(5), b=30.102(10), c=11.403(9)Å。它已通过直接方法求解并细化为 0.054 的残差指数。沿C16—C11—N3—C4键的扭转幅度为93.5(4)°。包含喹唑啉部分的所有环原子的平面与甲基取代的苯环原子之间的二面角为94.12(1)°。晶体结构通过一个分子内 C— H⋯sO 相互作用和三个分子间 C— H⋯sN 接触来稳定。