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2-Ethyl 4-methyl 5-ethyl-3-methyl-1H-pyrrole-2,4-dicarboxyl-ate.

ABSTRACT: The title pyrrole derivative compound, C(12)H(17)NO(4), was synthesized from methyl 3-oxopenta-noate by a Knorr-type reaction and contains a pyrrole ring to which two diagonal alk-oxy-carbonyl groups and two diagonal alkyl substituents are attached. The methyl-carbonyl and ethyl-carbonyl substituents are approximately co-planar with the pyrrole ring, making dihedral angles of 5.64?(2) and 3.44?(1)°, respectively. In the crystal, adjacent mol-ecules are assembled by pairs of N-H?O hydrogen bonds into dimers in a head-to-head mode.

SUBMITTER: Lu GF 

PROVIDER: S-EPMC3275231 | biostudies-literature | 2012 Feb

REPOSITORIES: biostudies-literature

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2-Ethyl 4-methyl 5-ethyl-3-methyl-1H-pyrrole-2,4-dicarboxyl-ate.

Lu Gui-Fen GF   Zhu Min M   Zhu Wei-Hua WH   Ou Zhong-Ping ZP  

Acta crystallographica. Section E, Structure reports online 20120121 Pt 2

The title pyrrole derivative compound, C(12)H(17)NO(4), was synthesized from methyl 3-oxopenta-noate by a Knorr-type reaction and contains a pyrrole ring to which two diagonal alk-oxy-carbonyl groups and two diagonal alkyl substituents are attached. The methyl-carbonyl and ethyl-carbonyl substituents are approximately co-planar with the pyrrole ring, making dihedral angles of 5.64 (2) and 3.44 (1)°, respectively. In the crystal, adjacent mol-ecules are assembled by pairs of N-H⋯O hydrogen bonds  ...[more]

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