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4-(3-Dialkylamino-2,5-dioxopyrrolidin-1-yl)benzoic acid esters

✍ Scribed by O. A. Kolyamshin; V. A. Danilov; N. I. Kol’tsov


Book ID
111464263
Publisher
SP MAIK Nauka/Interperiodica
Year
2007
Tongue
English
Weight
168 KB
Volume
43
Category
Article
ISSN
1070-4280

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4-[(1,3-Dioxo-2-aza­spiro­[4.5]decan-2-y
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In the structure of the title compound, C 16 H 18 N 2 O 4 , intermolecular N-HÁ Á ÁO [NÁ Á ÁO = 2.866 (3) A ˚] and O-HÁ Á ÁO [OÁ Á ÁO = 2.611 (3) A ˚] hydrogen bonds link molecules into a two-dimensional framework. The crystal structure is further stabilized by weak intermolecular C-HÁ Á ÁO interact

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The title compound, C 10 H 9 N 3 O 2 S, crystallizes in the orthorhombic non-centrosymmetric space group P2 1 2 1 2 1 . The molecules are linked into a three-dimensional network through OÐHÁ Á ÁN and NÐHÁ Á ÁO hydrogen bonds and weak SÁ Á ÁO interactions.

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The title compound, C 19 H 17 N 3 O 3 ÁCH 3 OH, was synthesized by the reaction of 4-amino-1,5-dimethyl-2-phenyl-1,2-dihydropyrazol-3-one and 4-formylbenzoic acid in methanol solution. As expected, the antipyrine derivative adopts a trans configuration about the central C N bond. In the crystal stru