Pyridinium 5-[(1,3-diethyl-6-hydroxy-4-oxo-2-thioxo-1,2,3,4-tetrahydropyrimidin-5-yl)(2-methoxyphenyl)-methyl]-1,3-diethyl-4,6-dioxo-2-thioxopyrimidin-5-ide

被引：6

作者：

Asiri, Abdullah Mohamed ^{[2
]}

Khan, Salman A. ^{[2
]}

Ng, Seik Weng ^{[1
]}

机构：

[1] Univ Malaya, Dept Chem, Kuala Lumpur 50603, Malaysia

[2] King Abdulaziz Univ, Fac Sci, Dept Chem, Jeddah, Saudi Arabia

来源：

ACTA CRYSTALLOGRAPHICA SECTION E-STRUCTURE REPORTS ONLINE | 2009年 / 65卷

关键词：

D O I：

10.1107/S160053680902618X

中图分类号：

O7 [晶体学];

学科分类号：

0702 ; 070205 ; 0703 ; 080501 ;

摘要：

1,3-Diethyl-2-thiobarbituric acid reacts with 2-anisaldehyde to form the Michael addition product 2-anisylbis(1,3-diethyl-2-thiobarbitur-5-yl) methanate, which crystallizes as the title pyridinium salt, C5H6N+center dot C24H29N4O5S2-, when it reacts with the pyridine used to catalyse the reaction. There are two independent ion pairs in the crystal structure. The anion features a methine C atom connected to three six-membered rings; one of the rings carries a hydroxy group, which engages in hydrogen bonding with the carbonyl group belonging to another ring. The monoclinic unit cell emulates an orthorhombic unit cell, and is a twin with a minor twin component of 35%.

引用

页码：O1860 / U2998

页数：19

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