title: (7-Isopropyl-1,4a-dimethyl-1,2,3,4,4a,-9,10,10a-octa-hydro-phenanthren-1-yl)-methanaminium 4-toluene-sulfonate.
abstract: In the title compound, C(20)H(32)N(+)·C(7)H(7)O(3)S(-), the configurations of the two chiral centers observed in the protonated cation are consistent with previous reports. In the crystal structure, weak inter-molecular N-H⋯O hydrogen bonds link ions into chains which develop along the a axis. The isopropyl group and four CH groups of the attached benzene ring are disordered approximately equally over two positions.
authors.affiliation: College of Chemical Engineering, Nanjing Forestry University, Nanjing 210037, People's Republic of China.
authors.forename: Yong
authors.initials: Y
authors.lastname: Li
authors.forename: Tao
authors.initials: T
authors.lastname: Zeng
authors.forename: Dao-Zhan
authors.initials: DZ
authors.lastname: Huang