Patent ID: 8716520
Filing Date: 2014-05-06
Classification: C07B,C07C

Abstract:
1. A 1:1 co-crystal of (S,S)-3-[(1-phenylethylamino)-methyl]-hexanoic acid with (S)-(−)-1,1′-bi-2-naphthol of the formula (IV) wherein: a) Powder X-ray diffraction peaks at the 2-theta values 9.36, 10.33, 12.17, 15.53, 17.53, 17.87, 17.96, 20.38, 21.76, 22.52, 24.47 and 27.76; b) Differential Scanning calorimetry peak at 185° C.; c) Specific Optical Rotation: (−)15.71° (C=1% in methanol at 25° C., λ=589 nm; d) IR spectra (cm e) Single crystal X-ray diffraction data