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Paper | Regular issue | Vol 75, No. 7, 2008, pp.1673-1680
Published online, 11th March, 2008
DOI: 10.3987/COM-08-11343
Simple and Convenient Synthesis of 2,3,4,5-Tetrahydro-1,5-dioxopyrrolo[1,2-a]quinazoline- 3a(1H)-carboxylic Acids in Multi-Gram Scale

Rustam T. Iminov, Anton V. Tverdokhlebov,* Andrey A. Tolmachev, Yulian M. Volovenko, Alexander N. Kostyuk, Alexander N. Chernega, and Eduard B. Rusanov

*Enamine Ltd., Alexandra Matrosova str. 23, 01103, Kiev, Ukraine

Abstract

The title compounds were prepared in 70-100 grams scale by reaction of 2-amino-N-alkyl(aryl)benzamides with 2-oxoglutaric acid. Their structure was proved unambiguously by X-ray crystallographic study.