Crystal structure of 3-methoxycarbonyl-2-(4-methoxypheny1)-8-oxo-1-azaspiro-[4.5]deca-1,6,9-trien-1-ium-1-olate

被引：0

作者：

Martins, Lucimara Julio ^{[1
]}

Simoni, Deborah de Alencar ^{[2
]}

Aparicio, Ricardo ^{[3
]}

Coelho, Fernando ^{[1
]}

机构：

[1] Univ Estadual Campinas, Inst Chem, Lab Synth Nat Prod & Drugs, BR-13083970 Campinas, SP, Brazil

[2] Univ Estadual Campinas, Inst Chem, Lab Single Crystal X Ray Diffract, BR-13083970 Campinas, SP, Brazil

[3] Univ Estadual Campinas, Inst Chem, Lab Struct Biol & Crystallog, POB 6154, BR-13083970 Campinas, SP, Brazil

来源：

ACTA CRYSTALLOGRAPHICA SECTION E-CRYSTALLOGRAPHIC COMMUNICATIONS | 2014年 / 70卷

基金：

巴西圣保罗研究基金会;

关键词：

single-crystal X-ray study; spirohexadienone structure; Morita-Baylis-Hillman aducts;

D O I：

10.1107/S1600536814023277

中图分类号：

O7 [晶体学];

学科分类号：

0702 ; 070205 ; 0703 ; 080501 ;

摘要：

The title compound, C18H17NO5, was prepared by a synthetic strategy based on the Heck reaction from Morita-Baylis-Hillman adducts. The five-membered ring adopts a slightly twisted conformation on the C-a-C-m (a = aromatic and m = methylene) bond. The dihedral angle between the five membered ring and the spiro aromatic ring is 89.35 (7)degrees; that between the five-membered ring and the 4-methoxybenzene ring is 4.65 (7)degrees. Two short intramolecular C-H center dot center dot center dot O contacts occur. In the crystal, molecules are linked by C-H center dot center dot center dot O hydrogen bonds to generate a three-dimensional network.

引用

页码：O1200 / +

页数：9

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