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M. Ghate and M. V. Kulkarni, “Synthesis of Vanillin Ethers from 4-Bromomethyl Coumarins as Anti-Inflammatory Agents,” European Journal of Medicinal Chemistry, Vol. 38, No. 3, 2003, pp. 297-302. doi:10.1016/S0223-5234(03)00016-3

has been cited by the following article:

• TITLE: Synthesis, Spectroscopic and Crystal Structure Studies on Ethyl 5,7-Dimethyl Coumarin-4-Acetate

  AUTHORS: Kiran K. Pujar, G. N. Anilkumar, Manohar V. Kulkarni

  KEYWORDS: Coumarin-4-Acetic acid Ethyl Ester; X-Ray Diffraction

  JOURNAL NAME: Crystal Structure Theory and Applications, Vol.2 No.2, June 24, 2013

  ABSTRACT: Ethyl ester of 5,7-dimethyl coumarin-4-acetic acid has been synthesized from 3,5-Xylenol in a two step sequence of reaction involving Pechmann cyclisation and acid catalyzed esterification. The title compound 2 crystallizes in Monoclinic form, space group P 1 21/c 1, with a = 8.6248(4) ?, b = 18.9103(8) , c = 8.4204(4)?, β = 101.241(2）?, V = 1347.00(11) ?, D cal = 1.283 Mg/cm3, Z = 4. The molecule is stabilized by intermolecular C-H … O bonds.