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Crystal and molecular structure of 2,3,6,7-tetramethoxy-9-trichloromethyl-10-carboxymethyl-9,10-dihydroanthracene

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Abstract

Cl3O6C21H21,M r =475.75, orthorhombic,P212121,a=21.895(3),b=12.101(2), andc=8.237(2) Å,V=2182.4(7) Å3,D x =1.45 g cm−3 forZ=4, λ(MoKα)=0.71069 Åμ=3.99 cm−1,F(000) 984, room temperature,R=0.035 for 1877 observed reflections. The molecule exhibits a folded conformation: the dihedral angle between the benzene rings is 28.3(1)°. The central ring is characterized by acis diaxal configuration of hydrogen atoms in the 9, 10 positions, confirming the 13-C NMR results.

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Authors and Affiliations

  1. Istituto di Chimica e Tecnologia dei Radioelementi-C.N.R. Corso Stati Uniti, 4-35020, Padova, Italy

    F. Benetollo

  2. Istituto di Chimica Farmaceutica e Tossicologica Universita' di Milano, Viale Abruzzi, 42-20131, Milano, Italy

    E. Valoti

  3. Dipartimento di Chimica e Tecnologie Farmaceutiche, Universita' di Palermo, Via Archirafi, 32-90123, Palermo, Italy

    L. Ceraulo & L. Lamartina

Authors
  1. F. Benetollo
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  2. E. Valoti
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  3. L. Ceraulo
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  4. L. Lamartina
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Benetollo, F., Valoti, E., Ceraulo, L. et al. Crystal and molecular structure of 2,3,6,7-tetramethoxy-9-trichloromethyl-10-carboxymethyl-9,10-dihydroanthracene. Journal of Crystallographic and Spectroscopic Research 20, 173–178 (1990). https://doi.org/10.1007/BF01160971

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  • DOI: https://doi.org/10.1007/BF01160971

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