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The title compound, C20H20O5, was synthesized from the reaction between 3-methoxysalicaldehyde and 1,3–cyclohexanedione in the presence of palladium(II) chloride. The two fused xanthene rings and one of the six-membered cyclohexane rings adopt envelope conformations, while the other six-membered cyclohexane ring is in a chair conformation. The molecular(More)
The title compound, C(20)H(20)O(5), was synthesized from the reaction between 3-methoxysalicaldehyde and 1,3-cyclo-hexa-nedione in the presence of palladium(II) chloride. The two fused xanthene rings and one of the six-membered cyclo-hexane rings adopt envelope conformations, while the other six-membered cyclo-hexane ring is in a chair conformation. The(More)
The title compound, C(18)H(19)NO, was synthesized from the multi-component one-pot reaction between p-toluidine, benzaldehyde and 2,3-dihydro-furan in the presence of palladium dichloride. There are two mol-ecules in the asymmetric unit. The crystal packing is stabilized by classical inter-molecular N-H⋯O hydrogen bonds.
The title compound, C(19)H(20)O(5), was synthesized by the reaction of 1,3-cyclo-hexa-nedione and 4-hy-droxy-benzaldehyde in the presence of PdCl(2) and thio-urea. The tetra-hydro-pyran ring and the six-membered cyclo-hexene ring adopt envelope conformations, and the six-membered cyclo-hexane ring is in a chair conformation. The crystal packing is(More)
The title compound, C(30)H(26)Br(2)O(4)·C(2)H(5)OH, was synthesized from the reaction between 5-bromo-salicybenzaldehyde and 5,5-dimethyl-1,3-cyclo-hexa-nedione. The crystal packing is stabilized by inter-molecular O-H⋯O hydrogen bonds and C-H⋯O inter-actions.
In the title compound, C(19)H(19)ClO(4), the central fused ring and the attached cyclo-hexene ring adopt envelope conformations, while the cyclo-hexane ring adopts a chair conformation. The crystal packing is stabilized by O-H⋯O hydrogen bonds, which link the mol-ecules into a chain along the b axis. Weak C-H⋯O bonds also occur.
The title compound, C(24)H(22)N(4)O(2)·H(2)O, was synthesized by the trimethyl-chloro-silane-catalysed reaction between urea, benzaldehyde and acetophenone. The organic mol-ecule comprises two fused tetra-hydro-pyrimidinone rings with phenyl substituents at the 4- and 5-positions on the tetra-hydro-pyrimidinone rings and a third phenyl substituent at the(More)
The title compound, C(14)H(13)BrN(2)OS, was synthesized from the multicomponent reaction between thio-urea, 4-bromo-benzaldehyde and cyclo-hexane-1,3-dione. The crystal packing is stabilized by inter-molecular N-H⋯O, N-H⋯S, C-H⋯O and C-H⋯S hydrogen bonds. Br⋯O inter-actions [3.183 (3) Å] are also observed in the crystal structure.
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