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3-Mesityl-2-oxo-1-oxaspiro-[4.4]non-3-en-4-yl 2-(4-chloro-phen-yl)-3-methyl-butyrate.

ABSTRACT: In the title compound, C(28)H(31)ClO(4), the five-membered cyclo-pentyl ring displays an envelope conformation with the atom at the flap position 0.519 (3) Å out of the mean plane formed by the other four atoms. The furan ring makes dihedral angles of 72.9 (1) and 82.4 (1)°, respectively, with the trimethyl- and chloro-phenyl rings. The dihedral angle between the two benzene rings is 15.3 (1)°. In the crystal, mol-ecules are linked through inter-molecular C-H⋯Cl hydrogen bonds, forming a chain running along the b axis.

SUBMITTER: Yu CM

PROVIDER: S-EPMC2968092 | biostudies-literature |

REPOSITORIES: biostudies-literature

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3-Mesityl-2-oxo-1-oxaspiro-[4.4]non-3-en-4-yl 4-chloro-benzoate.

Project description:The title compound, C(24)H(23)ClO(4), is a potent insecticide and miticide. The five-membered cyclo-pentane ring displays an envelope conformation with the atom at the flap position 0.611 (2) Å out of the mean plane formed by the other four atoms. The furan ring makes dihedral angles of 71.3 (2) and 81.9 (2)°, respectively, with the 2,4,6-trimethyl-phenyl and 4-chloro-phenyl rings. The dihedral angle between the two benzene rings is 76.6 (1)°. In the crystal, mol-ecules are linked through weak inter-molecular C-H⋯O hydrogen bonds, forming chains running along the c axis.

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Project description:In the title compound, C(17)H(20)O(3), the five-membered cyclo-pentyl ring displays an envelope conformation, with the atom at the flap position 0.538 (3) Å out of the mean plane formed by the other four atoms. The dihedral angle between the benzene and furan rings is 63.34 (15)°. In the crystal structure, mol-ecules are linked through inter-molecular O-H⋯O hydrogen bonds, forming a zigzag chain along [101].

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Project description:The complete mol-ecule of the title compound, C(19)H(18)Cl(2)O(4), is generated by a crystallographic twofold axis that passes through the spiro C atom. The 1,3-dioxane ring adopts a chair conformation and the phenyl substituent occupies an equatorial site.

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