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Dimer Formation in 4-Benzyl-5-Methoxymethyl-3-Methyl-1H-Pyrrole-2-Carboxylic Acid Benzyl Ester

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Abstract

A new substituted pyrrole, a precursor of meso-free-porphyrins, has been synthesised and characterised by single-crystal X-ray diffraction: monoclinic, P21/c with a = 14.607(9) Å, b = 5.136(2) Å, c = 25.832(17) Å, β = 108.14(5)°, Mr = 349.41, V = 1841.6(18) Å3, Z = 4. The molecules are assembled in centrosymmetric dimers via strong N–H...O hydrogen bonds. The dimers are gathered into chains via C–H...π intermolecular interactions.

Graphical abstract

The molecules in 4-benzyl-5-methoxymethyl-3-methyl-1H-pyrrole-2-carboxylic acid benzyl ester are joined in dimmers by strong hydrogen bonds. The dimmers are aggregated in chains running along the b axis through C-H...Ï€ intermoleculear interactions.

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Acknowledgement

This work was supported by Fundação para a Ciência e a Tecnologia under project POCI/AMB/55281/2004.

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Authors and Affiliations

  1. CEMDRX, Physics Department, University of Coimbra, Coimbra, 3004-516, Portugal

    M. Ramos Silva & A. Matos Beja

  2. Chemistry Department, University of Coimbra, Coimbra, 3004-516, Portugal

    A. J. F. N. Sobral, J. A. Silva, A. C. Santos & S. M. Melo

Authors
  1. M. Ramos Silva
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  2. A. J. F. N. Sobral
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  3. J. A. Silva
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  4. A. C. Santos
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  5. S. M. Melo
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  6. A. Matos Beja
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Corresponding author

Correspondence to M. Ramos Silva.

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Silva, M.R., Sobral, A.J.F.N., Silva, J.A. et al. Dimer Formation in 4-Benzyl-5-Methoxymethyl-3-Methyl-1H-Pyrrole-2-Carboxylic Acid Benzyl Ester. J Chem Crystallogr 37, 695–698 (2007). https://doi.org/10.1007/s10870-007-9234-5

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  • DOI: https://doi.org/10.1007/s10870-007-9234-5

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