Acta Crystallographica Section E

Structure Reports Online

Volume 69, Part 5 (May 2013)


organic compounds



rk2397 scheme

Acta Cryst. (2013). E69, o628    [ doi:10.1107/S1600536813007010 ]

rac-(1S*,4aS*,8aS*)-4a-Hydroxy-2-methylperhydrospiro[isoquinoline-4,1'-cyclohexan]-2'-one

S. Siaka, A. T. Soldatenkov, A. V. Malkova, S. A. Soldatova and V. N. Khrustalev

Abstract: In the title compound, C15H25NO2, all three six-membered rings adopt chair conformations. The cyclohexane and piperidine rings within the perhydroisoquinoline are trans-trans fused. The N atom has a trigonal-pyramidal geometry (the sum of the bond angles is 328.0°). The methyl substituent occupies the sterically preferrable equatorial position. In the crystal, molecules form infinite [100] chains via O-H...N hydrogen bonds.


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