5-(2,5-Dioxooxolan-3-yl)-8-methyl-3,3a,4,5-tetrahydro-1H-naphtho[1,2-c]furan-1,3-dione
نویسندگان
چکیده
In the title compound, C(17)H(14)O(6), the dihedral angle between the two anhydride rings is 76.01 (8)°while the dihedral angles between the benzene and anhydride rings are 42.60 (7) and 68.94 (7)°. The cyclo-hexene ring of the tetra-hydro-naphthalene unit exhibits an envelope conformation.
منابع مشابه
8-Chloromethyl-5-(2,5-dioxooxolan-3-yl)-3,3a,4,5-tetrahydro-1H-naphtho[1,2-c]furan-1,3-dione
The title compound, C17H13ClO6, is an asymmetric alicyclic dianhydride containing a chloro-methyl-substituted tetra-hydro-naphthalene moiety. The cyclo-hexene ring in the tetra-hydro-naphthalene moiety exhibits an envelope conformation with the tertiary C atom as the flap The dihedral angle between the two anhydride rings is 79.96 (6)°, while those between the benzene ring and the non-fused and...
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In the title compound, C(12)H(7)NO(5), the dihedral angle between the isoindole-1,3-dione plane and the least-squares plane of the furan ring is 89.2 (2)°. In the crystal structure, mol-ecules are linked through inter-molecular C-H⋯O hydrogen bonds, forming centrosymmetric dimers.
متن کامل5-[(3-Fluorophenyl)(2-hydroxy-6-oxocyclohex-1-en-1- yl)methyl]-6-hydroxy-1,3-dimethylpyrimidine-2,4(1H, 3H)-dione
5-[(3-Fluorophenyl)(2-hydroxy-6-oxocyclohex-1-en-1-yl)-methyl]-6-hydroxy-1,3-dimethylpyrimidine-2,4(1H,3H)-dione 3 was synthesized via a multicomponent reaction. The Aldol–Michael addition reactions of N,N-dimethylbarbituric acid, cyclohexane-1,3-dione, and 3-fluorobenzaldehyde in aqueous solution gave the product in high yield. The molecular structure of the compound was confirmed by spectrosc...
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متن کاملrac-3-{4-[(Furan-2-ylmethylidene)amino]-3-methyl-5-sulfanylidene-4,5-dihydro-1H-1,2,4-triazol-1-yl}-1,3-diphenylpropan-1-one
In the title mol-ecule, C(23)H(20)N(4)O(2)S, the triazole ring forms dihedral angles of 150.3 (2), 77.3 (2) and 77.6 (2)°, respectively, with the furan ring and the phenyl rings. The furan ring is almost perpendicular to the central phenyl ring, making a dihedral angle of 86.0 (3)°.
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عنوان ژورنال:
دوره 69 شماره
صفحات -
تاریخ انتشار 2013