Synthesis, X-Ray Crystal Structure and Spectroscopic Properties of 1,2,3,4-Tetrahydro-2-(thenyl)-3-(N-thenylidine)-4-oxoquinazoline

被引：1

作者：

Naskar, Sumita

Naskar, Subhendu

Blake, Alexander J. ^{[2
]}

Tadesse, Haregewine ^{[2
]}

Chattopadhyay, Shyamal Kumar ^{[1
]}

机构：

[1] Bengal Engn & Sci Univ, Dept Chem, Sibpur 711103, Howrah, India

[2] Univ Nottingham, Sch Chem, Nottingham NG7 2RD, England

来源：

JOURNAL OF CHEMICAL CRYSTALLOGRAPHY | 2011年 / 41卷 / 07期

关键词：

Oxo-quinazoline; X-ray crystal structure; n.m.r; Schiff base; Thiophen-2-aldehyde; Hydrazone; Anthraniloyl hydrazide;

D O I：

10.1007/s10870-011-0030-x

中图分类号：

O7 [晶体学];

学科分类号：

0702 ; 070205 ; 0703 ; 080501 ;

摘要：

The Schiff base formed between anthraniloyl hydrazide and thiophen-2-aldehyde is synthesized. Reaction of this Schiff base with VOSO4 in methanol at room temperature does not yield the expected vanadium complex; instead, the Schiff base is transformed to 1,2,3,4-tetrahydro2-(thenyl)-3-(N-thenylidine)-4-oxoquinazoline, which has been characterized by elemental analyses and by LC-MS, i.r., n.m.r. and electronic spectroscopies. The X-ray crystal structure of the quinazoline product is reported. The compound crystallizes with monoclinic (P2(1)/n) space group, and the cell parameters are: a = 5.9442(7) angstrom, b = 13.6357(15) angstrom, c = 19.455(2) angstrom, beta = 90.499(2)degrees. The oxo-quinazoline product is found to be luminescent when excited at its lowest energy transition.

引用

页码：986 / 990

页数：5

共 18 条

[11] Synthesis, characterization, and crystal structure of [Ni(dap(A)2)]2 (dap(AH)2:: 2,6-diacetylpyridine bis(anthraniloyl hydrazone)) -: a molecule possessing an infinite double helical chain in the solid state [J].