rac-Ethyl 2-hydroxy-2,7,7-trimethyl-4-(4-nitrophenyl)-5-oxo-3,4,5,6,7,8-hexahydro-2H-chromene-3-carboxylate

The title molecule, C21H25NO7, has four stereogenic centres and crystallized as a racemate. It consists of enantiomeric pairs with the relative configuration rac-(1R*,2S*,3R*). The cyclohexenone ring adopts an envelope conformation; the dimethyl-substituted C atom lies 0.640 (1) ...

Full description

Bibliographic Details
Main Authors: Konstantin A. Potekhin, Rizvan K. Askerov, Bahruz A. Rashidov, Arif I. Ismiev, Abel M. Maharramov
Format: Article
Language:English
Published: International Union of Crystallography 2013-01-01
Series:Acta Crystallographica Section E
Online Access:http://scripts.iucr.org/cgi-bin/paper?S1600536812050581