Bi-lin Zhao

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In the title compound, C(14)H(19)N(3)O(2)S, the N atom of the dimethyl-amino group and the S atom are displaced by 0.078 (2) and 0.084 (2) Å, respectively, from the naphthalene ring plane. The 2-amino-ethyl group has a coiled conformation with an N-C-C-NH(2) torsion angle of 53.6 (4)°. In the crystal structure, inter-molecular N-H⋯N and weak C-H⋯O hydrogen(More)
In the title compound, C(17)H(16)N(2)O(2)S, the dihedral angle between the benzothia-zole ring system and the benzene ring is 1.20 (2)°. The substituted amino substituent is in an extended conformation with an N-C-C-O torsion angle of 179.4 (3)°. In the crystal structure, pairs of mol-ecules are connected by inter-molecular N-H⋯O and weak C-H⋯O hydrogen(More)
In the title compound, C(16)H(13)N(3)S(2), the dihedral angle between the two benzothia-zole ring systems is 20.41 (2)°. In the crystal structure, inter-molecular N-H⋯N hydrogen bonds link mol-ecules into a chain along the b axis. The packing is further stabilized by C-H⋯π stacking inter-actions involving the two benzothia-zole ring systems.
In the title compound, C(16)H(14)N(2)O(2)S, the dihedral angle between the benzothia-zole ring system and benzene ring is 3.11 (2)°. In the crystal structure, inter-molecular O-H⋯N hydrogen bonds link mol-ecules into chains along [100] and these chains are, in turn, linked into a three-dimensional network via weak inter-molecular C-H⋯O hydrogen bonds.
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