(±)-syn-Isopropyl 4-(1,1,1,3,3,3-hexafluoropropan-2-yloxy)-1-hydroxy-3-methyl-2-(prop-1-ynyl)cyclopent-2-enecarboxylate
نویسندگان
چکیده
The title compound, C(16)H(18)F(6)O(4), was obtained through an unprecedented one-pot reaction sequence involving a Gosteli-Claisen rearrangement and a cyclo-isomerization. The constitution and relative configuration were determined by single-crystal X-ray diffraction analysis. In the crystal, mol-ecules are connected via O-H ⋯ O hydrogen bonds.
منابع مشابه
(E)-3-[(Dimethylamino)methylidene]-4-phenyl-1-(prop-2-ynyl)-1H-1,5-benzodiazepin-2(3H)-one
The title compound, C21H19N3O, exhibits an E configuration with respect to the C=C bond between the benzodiazepine and tri-methyl-amine groups. The seven-membered diazepine ring displays a boat conformation. In the crystal, mol-ecules are linked by a C-H⋯O hydrogen bond, forming a chain along [110].
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In the title compound, C11H6N2O {systematic name: 3-(prop-2-yn-1-yl-oxy)benzene-1,2-dicarbo-nitrile}, the 14 non-H atoms are approximately coplanar (r.m.s. deviation = 0.051 Å) with the terminal ethyne group being syn with the adjacent cyano residue. In the crystal, centrosymmetric dimers are connected by pairs of C-H⋯N inter-actions and these are linked into a supra-molecular tape parallel to ...
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The title compound, C(16)H(12)O(2), was synthesized from naphthalene-2,7-diol and prop-2-ynyl 4-methyl-benzene-sulfonate in the presence of sodium hydride. The crystal packing exhibits inter-molecular non-classical C-H⋯O hydrogen bonds and C-H⋯π inter-actions.
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The mol-ecular structure of the title compound, C(18)H(16)O(3), exhibits a new R(2)-C(COOMe)(OCH(2)CCH) group. The C-O-C-C torsion angle is 153.3 (1)°. The dihedral angles are 79.89 (5)° between phen-yl/phenyl planes, and 73.13 (5) and 79.05 (8)° for the two COOMe/phenyl plane pairs.
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In the title compound, C26H24N2O2, the benzimidazole ring system is almost planar [maximum displacement = 0.025 (1) Å] and makes dihedral angles of 80.48 (5) and 41.57 (5)° with the benzene rings, which are inclined to one another by 65.33 (6)°. In the crystal, mol-ecules are linked via C-H⋯π and weak π-π inter-actions [centroid-centroid distance = 3.8070 (7) Å and inter-planar distance = 3.616...
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