(3aRS,9bSR)-3-(4-Chlorophenyl)-1-methyl-1,2,3,3a,4,9b-hexahydrochromeno[4,3-b]pyrrole-3a-carbonitrile
نویسندگان
چکیده
In the mol-ecule of the title compound, C(19)H(17)ClN(2)O, the heterocyclic six-membered ring adopts a half-chair conformation, while the pyrrolidine ring has an envelope conformation. In the crystal structure, C-Cl⋯π [Cl⋯centroid = 3.680 (2) Å] inter-actions and van der Waals forces are present.
منابع مشابه
Methyl 3-(4-fluorophenyl)-1-methyl-1,2,3,3a,4,9b-hexahydrochromeno[4,3-b]pyrrole-3a-carboxylate
In the title compound, C(20)H(20)FNO(3), the pyrrolidine and benzopyran rings adopt half chair and twisted half chair conformations, respectively. The carboxyl-ate group is almost perpendicular to the pyran ring [89.4 (1)°].
متن کامل(3aS,9bR)-Methyl 1-methyl-3-phenyl-1,2,3,3a,4,9b-hexahydrochromeno[4,3-b]pyrrole-3a-carboxylate
In the title compound, C(20)H(21)NO(3), the heterocyclic six-membered ring adopts a half-chair conformation and the pyrrolidine ring adopts an envelope conformation. The mol-ecular conformation is stabilized by C-H⋯O and C-H⋯N inter-actions.
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In the title compound, C30H29BrN2O5, the β-lactam ring is essentially planar, with the O atom displaced from this plane by 0.856 (9) Å, and forming dihedral angles of 24.35 (13) and 89.42 (14)° with the planes of the benzene substituent groups on this ring. The tetra-hydro-pyran ring adopts an envelope conformation with the C atom bearing the β-lactam ring as the flap. In the crystal, weak C-H⋯...
متن کاملCrystal structures of methyl 3-(4-isopropylphenyl)-1-methyl-1,2,3,3a,4,9b-hexahydrothiochromeno[4,3-b]pyrrole-3a-carboxylate, methyl 1-methyl-3-(o-tolyl)-1,2,3,3a,4,9b-hexahydrothiochromeno[4,3-b]pyrrole-3a-carboxylate and methyl 1-methyl-3-(o-tolyl)-3,3a,4,9b-tetrahydro-1H-thiochromeno[4,3-c]isoxazole-3a-carboxylate
In the title compounds, C23H27NO2S, (I), and C21H23NO2S, (II), the pyrrole rings have envelope conformations with the C atom substituted by the benzene ring as the flap. In the third title compound, C20H21NO3S, (III), the isoxazole ring has a twisted conformation on the C-C bond substituted by the benzene ring and the carboxyl-ate group. In all three compounds, the thio-pyran ring has a half-ch...
متن کامل1-Methyl-3-(2-methylphenyl)-3a-nitro-1,2,3,3a,4,9b-hexahydrochromeno[4,3-b]pyrrole
The asymmetric unit of the title compound, C(19)H(20)N(2)O(3), contains two independent mol-ecules in both of which the pyrrolidine ring adopts an envelope conformation, but with a C atom as the flap in one mol-ecule and the N atom in the other. The pyran ring adopts a half-chair conformation in both mol-ecules. In the crystal, mol-ecules are linked via C-H⋯O hydrogen bonds and C-H⋯π inter-acti...
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