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Updated: May 13, 2026

Continuous Flow Chemistry: Reaction of Diphenyldiazomethane with p-Nitrobenzoic Acid
Published on: November 15, 2017
2,2-Dimethyl-5-(2-nitro-benzyl-idene)-1,3-dioxane-4,6-dione
Fernando García-Álvarez1, Nancy Romero, Carlos E Lobato-García
1Centro de Química, Instituto de Ciencias, Benemérita Universidad Autónoma de Puebla, 72570, Puebla, Pue., Mexico.
Abstract:
The asymmetric unit of the title compound, C13H11NO6, contains two mol-ecules in both of which the six-membered 1,3-dioxane-4,6-dione ring shows a screw-boat conformation. The dihedral angles between the best planes through the six-membered rings are 47.8 (2) and 49.8 (2)°. In the crystal, C-H⋯O inter-actions link the mol-ecules, building a supramolecular sheet parallel to the c axis.
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