Crystalline solid forms of the acetate salt of (1S,3S,4R)-4-((3aS,4R,5S,7aS)-4-(aminomethyl)-7a-methyl-1-methyleneoctahydro-1H-inden-5-yl)-3-(hydroxymethyl)-4-methylcyclohexanol
The present invention is generally directed to novel crystalline forms of the acetate salt of (1S,3S,4R)-4-((3aS,4R,5S,7aS)-4-(aminomethyl)-7a-methyl-1-methyleneoctahydro-1H-inden-5-yl)-3-(hydroxymethyl)-4-methylcyclohexanol and processes for their preparation.
1. A crystalline form of the acetate salt of (1S,3S,4R)-4-((3aS,4R,5S,7aS)-4-(aminomethyl)-7a-methyl-1-methyleneoctahydro-1H-inden-5-yl)-3-(hydroxymethyl)-4-methylcyclohexanol, designated as Compound 1 Form A, characterized by an X-ray powder diffraction pattern containing the following peaks: 6.0, 8.9, 10.7, 13.3 and 15.8 degrees 2Θ±0.3 degrees 2Θ.
2. The crystalline form of claim 1 further characterized by an X-ray powder diffraction pattern containing one or more of the following additional peaks: 11.9, 14.9, 17.9, 18.4, 18.9, 19.9, 20.1, 20.3, 21.6, 23.6, 24.0, 24.5, 24,8, 25.3, 25.5, 25.8, 26.1, 26.8, 27.0, 27.2, 27.7, 27.9 degrees 2Θ±0.3 degrees 2Θ.
3. The crystalline form of claim 1 further characterized by a DSC thermogram with an onset at 173.1° C. and a characterizing endothermic peak at 188.2° C.±0.3° C., followed by a second endothermic event with an onset at 187.1° C.±0.3° C. and a characterizing peak at 192.5° C.±0.3° C.
4. The crystalline form of claim 1 further characterized by one or more FT-IR peaks selected from the group consisting of 655.0, 668.5, 675.2, 685.4, 774.2, 805.4, 814.4, 824.2, 880.2, 910.3, 937.4, 963.3, 1006.4, 1044.1, 1077.9, 1101.4, 1169.3, 1195.3, 1222.4, 1299.7, 1332.8, 1386.5, 1397.7, 1436.3, 1446.9, 1477.1, 1494.8, 1520.2, 1557.0, 1612.9, 1653.4, 2853.6, 2931.3, 2964.8, 3335.2±3 cm −1 .
5. The crystalline form of claim 1 further characterized by one or more Raman peaks selected from the group consisting of 2991.2, 2977.3, 2935.3, 2925.8, 2903.7, 2858.3, 1654.3, 1477.9, 1447.7, 1307.9, 1009.8, 945.8, 919.2, 881.7, 743.7, 721.8, 614.8, 423.6±3cm −1 .
6. The crystalline form of claim 1 characterized by one or more of:
a XRPD pattern as substantially set out in Table 1 and/or FIG. 2 ;
a DSC thermogram as substantially set out in FIG. 3 ;
a TGA thermogram as substantially set out in FIG. 4 ;
an FT-IR spectrum as substantially set out in Table 2 and/or FIG. 8 ; and,
a Raman spectrum as substantially set out in Table 3 and/or FIG. 9 .
7. A method for preparing the crystalline form of claim 1 comprising the steps of mixing the amorphous form of the acetate salt of (1S,3S,4R)-4-((3aS,4R,5S,7aS)-4-(aminomethyl)-7a-methyl-1-methyleneoctahydro-1H-inden-5-yl)-3-(hydroxymethyl)-4-methylcyclohexanol with solvents of mixtures thereof selected from the group consisting of 1,2-dimethoxyethane, 1,4-dioxane, 1-butanol, 1,2-dimethoxyethane, 2-butanone, 2-ethoxyethanol, 2-methoxyethanol, 2-methoxyethanol, 2-methyltetrahydrofuran, 2,2,4-trimethylpentane, acetone, acetonitrile, anisole, chloroform, cumene, cyclohexane, cyclopentane, decane, dichloromethane, ethanol, ethyl acetate, ethyl formate, heptane, hexane, isopropanol, isopropyl acetate, isopropyl ether, methanol, methyl formate, methylcyclohexane, n-pentane, N,N-dimethylacetamide, N,N-dimethylformamide, p-xylene, tert-butyl methyl ether, tetrahydrofuran, toluene, and water.