Crystal structure of ethyl 6-chloromethyl-2-oxo-4-(2,3,4-trimethoxyphenyl)-1,2,3,4-tetrahydropyrimidine-5-carboxylate

被引：0

作者：

Suresh, M. ^{[1
]}

Padusha, M. Syed Ali ^{[1
]}

Novina, J. Josephine ^{[2
]}

Vasuki, G. ^{[3
]}

Viswanathan, Vijayan ^{[4
]}

Velmurugan, Devadasan ^{[4
]}

机构：

[1] Jamal Mohamed Coll Autonomous, PG & Res Dept Chem, Tiruchirappalli 20, Tamil Nadu, India

[2] Idhaya Coll Women, Dept Phys, Kumbakonam 1, India

[3] Kunthavai Naachiar Govt Arts Coll W Autonomous, Dept Phys, Thanjavur 7, India

[4] Univ Madras, Ctr Adv Study Crystallog & Biophys, Madras 25, Tamil Nadu, India

来源：

ACTA CRYSTALLOGRAPHICA SECTION E-CRYSTALLOGRAPHIC COMMUNICATIONS | 2015年 / 71卷

关键词：

crystal structure; conformation; dihydropyrimidine; ring motif; C-H center dot center dot center dot pi interactions;

D O I：

10.1107/S2056989015011688

中图分类号：

O7 [晶体学];

学科分类号：

0702 ; 070205 ; 0703 ; 080501 ;

摘要：

In the title compound, C17H21ClN2O6, the dihydropyrimidine ring adopts a flattened envelope conformation, with the sp(3)-hybridized C atom forming the flap. The dihedral angle between the least-squares planes of the benzene and dihydropyrimidine rings is 88.09 (6)degrees. An Intramolecular C-H center dot center dot center dot O hydrogen bond generates an S(6) ring. In the crystal, molecules are linked via pairs of N-H center dot center dot center dot O hydrogen bonds, forming inversion dimers with an R-2(2)(8) ring motif, and the dimers are linked via further pairs of N-H center dot center dot center dot O hydrogen bonds, forming R-2(2)(14) rings and chains of molecules along [111]. Pairs of inversion-related chains are linked via weak C-H center dot center dot center dot pi interactions.

引用

页码：821 / +

页数：9

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