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Crystal structure of 2-N,N-diethylamino-3-carbomethoxynaphtho[2,3-b]thiophene-4,9-dione, C18H17NO4S

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Abstract

The structure of the title compound has been determined with CuKα diffractometer data by direct methods and Fourier syntheses, and refined by full-matrix least-squares toR= 0·059 for 1484 observed reflexions. The crystals are monoclinic,a = 8·273(1),b = 15·115(2),c= 13·465(2) Å, β = 98·40(2) °,Z = 4, space groupP21/c. The ring system is planar, and the bond lengths and angles are close to normal values.

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References

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  • Kuehne, M. E. (1971) Private communication.

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Authors and Affiliations

  1. Department of Chemistry, University of British Columbia, Vancouver 8, B.C., Canada

    Cyril S. Gibbons, John A. Lerbscher & James Trotter

Authors
  1. Cyril S. Gibbons
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  2. John A. Lerbscher
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  3. James Trotter
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Additional information

We thank Dr M. E. Kuehne for suggesting the problem and for crystals, the National Research Council fo Canada for financial support and the University of British Columbia Computing Centre for assistance.

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Gibbons, C.S., Lerbscher, J.A. & Trotter, J. Crystal structure of 2-N,N-diethylamino-3-carbomethoxynaphtho[2,3-b]thiophene-4,9-dione, C18H17NO4S. Journal of Crystal and Molecular Structure 2, 235–242 (1972). https://doi.org/10.1007/BF01246640

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  • DOI: https://doi.org/10.1007/BF01246640

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