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Issue 9, 1977
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Homoallylic coupling in 1,4-dihydronaphthalenes. Part 2. Crystal structure of cis-2a,5-dihydro-5-acenaphthoic acid

Anthony K. Cheatham,  John M. Newsa,  Martin C. Grossel  and  Rodney C. Hayward 

Abstract

The structure of the title compound (1) has been determined by direct methods from single-crystal X-ray diffractometer data. Crystals are triclinic, space group P[1 with combining macron], with Z= 2, in a cell with lattice parameters a= 8.446(4), b= 8.534(4), c= 8.940(3)Å. α= 122.95(4)°, β= 107.48(3)°, and γ= 70.32(3)°. 2 534 independent reflections gave a final R of 0.057. The dihydronaphthalene ring adopts a highly puckered boat conformation. Good agreement is found between interproton couplings predicted from the crystallographic structure and the experimental values.

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Article type: Paper
DOI: 10.1039/P29770001153
Citation: J. Chem. Soc., Perkin Trans. 2, 1977,0, 1153-1156
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    Homoallylic coupling in 1,4-dihydronaphthalenes. Part 2. Crystal structure of cis-2a,5-dihydro-5-acenaphthoic acid

    A. K. Cheatham, J. M. Newsa, M. C. Grossel and R. C. Hayward, J. Chem. Soc., Perkin Trans. 2, 1977, 0, 1153
    DOI: 10.1039/P29770001153

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