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9-(2-Methylphenyl)-3,4,5,6,9,10-hexa- hydroxanthene-1,8(2H,7H)-dione

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Abstract

Several 9-(2-R phenyl)xanthenediones have been synthesized and the x-ray diffraction structure for the 2-methylphenyl derivative (4b) has been determined. This compound crystallizes in the monoclinic system, space group P21/n, with a = 11.729 (3), b = 9.674 (3), c = 14.628 (4) Å, and β = 106.30°. It presents a partially hydrogenated xanthene system in distorted boat conformation for the heterocyclic central ring, and an almost ideal envelope conformation for the outer rings. The aromatic substituent at the ninth position is at 84° in angle with the xanthene system.

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Authors and Affiliations

  1. Unidad Profesional Interdisciplinaria de Biotecnología-IPN, Av. Acueducto s/n Col. Barrio la Laguna Ticomán, CP 07340, México DF, México

    Marco Brito-Arias, Manuel Tapia-Albarrán, Itzia Padilla-Martínez & Francisco Martínez-Martínez

  2. Instituto de Química-UNAM, Circuito Exterior Ciudad Universitaria Coyoacán, 04510, México DF, México

    Georgina Espinosa

  3. Institut de Ciència de Materials de Barcelona (CSIC), Campus de la UAB, 08193, Bellaterra, Spain

    Elies Molins & Enrique Espinosa

Authors
  1. Marco Brito-Arias
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  2. Manuel Tapia-Albarrán
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  3. Itzia Padilla-Martínez
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  4. Francisco Martínez-Martínez
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  5. Georgina Espinosa
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  6. Elies Molins
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  7. Enrique Espinosa
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Brito-Arias, M., Tapia-Albarrán, M., Padilla-Martínez, I. et al. 9-(2-Methylphenyl)-3,4,5,6,9,10-hexa- hydroxanthene-1,8(2H,7H)-dione. Journal of Chemical Crystallography 29, 759–763 (1999). https://doi.org/10.1023/A:1009583417391

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  • DOI: https://doi.org/10.1023/A:1009583417391

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