tert-Butyl N-[2-(N-isobutyl-4-methoxybenzenesulfonamido)ethyl]carbamate
نویسندگان
چکیده
The title compound, C18H30N2O5S, was synthesized by the reaction of tert-butyl 2-(iso-butyl-amino)-ethyl-carbamate with p-meth-oxy-phenyl-sulfonyl chloride. In the mol-ecule, two intra-molecular C-H⋯O hydrogen bonds are observed. In the crystal, mol-ecules are linked by N-H⋯O hydrogen bonds involving the imino group N atom and the ester group O atom into chains running parallel to the b axis. The chains are further connected by C-H⋯O hydrogen bonds, forming layers parallel to the bc plane.
منابع مشابه
tert-Butyl N-[(S)-3-isobutyl-2-oxooxetan-3-yl]carbamate
The structure of the title compound, C(12)H(21)NO(4), contains two crystallographically independent mol-ecules in the asymmetric unit. Mol-ecules are linked into pseudosymmetric R(2) (2)(8) dimers through two N-H⋯O hydrogen bonds. The dimers are connected by weak C-H⋯O inter-actions, resulting in a three-dimensional network.
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The mol-ecule of the title compound, C(16)H(23)N(3)O(5), is twisted about the chiral C atom, the dihedral angle formed between the amide residues being 79.6 (3)°. The conformation about the imine bond [1.278 (5) Å] is E. In the crystal, O-H⋯O and N-H⋯O hydrogen bonding between the hy-droxy, amine and carbonyl groups leads to the formation of supra-molecular layers, which stack along the c-axis ...
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In the crystal structure of the title compound, C(18)H(22)N(2)O(2), the pyridine ring makes dihedral angles of 83.71 (6) and 9.2 (1)° with the phenyl ring and the carbamate plane, respectively. The phenyl ring and the carbamate plane are nearly perpendicular to one another, with a dihedral angle of 87.17 (7)°.
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The crystal structure of the title compound, C(11)H(16)N(2)O(2), contains two crystallographically independent mol-ecules forming dimers by pairs of inter-molecular N-H⋯N hydrogen bonds. The two mol-ecules are related by a pseudo-twofold axis. The dihedral angle between the pyridine ring and the carbamate plane differs in the two mol-ecules [12.1 (3) and 3.5 (3)°].
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The mol-ecule of the title compound, C(16)H(23)N(3)O(6), is twisted about the chiral C atom with the dihedral angle formed between the amide residues being 76.9 (3)°. Overall, the mol-ecule is curved with the terminal organic groups lying to the same side. The conformation about the imine bond [1.291 (5) Å] is E and an intra-molecular O-H⋯N hydrogen bond generates an S(6) ring. In the crystal, ...
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