The 2H-Cyclohepta[b]furan-2-one Formation from 2,4-Dichloro-5-methoxytropone with Dimethyl Malonate and Methyl Acetoacetate
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چکیده
منابع مشابه
1,5-Dimethyl-4-[(5-methyl-2-furyl)methyleneamino]-2-phenyl-1H-pyrazol-3(2H)-one
In the title compound, C(17)H(17)N(3)O(2), a derivative of 4-amino-anti-pyrine, the structure displays a trans configuration with respect to the imine C=N double bond. The pyrazoline ring is essentially planar and makes a dihedral angle of 55.80 (1)° with the phenyl ring.
متن کامل4,5-Dichloro-2-methylpyridazin-3(2H)-one
The asymmetric unit of the title compound, C(5)H(4)Cl(2)N(2)O, contains one half-mol-ecule: all the non-H atoms lie on a crystallographic mirror plane. In the crystal structure, mol-ecules are linked into chains along the c axis by weak inter-molecular C-H⋯O hydrogen bonds.
متن کاملDimethyl 2-(aminomethylene)malonate
In the title compound, C(6)H(9)NO(4), which is an example of a push-pull alkene, N-H⋯O inter-actions stabilize the crystal structure.
متن کامل7-[(5,5-Dimethyl-2-oxido-1,3,2-dioxaphosphinan-2-yl)oxy]-4-methyl-2H-chromen-2-one
The title compound, C(15)H(17)O(6)P, was obtained from a reaction of 4-methyl-7-hy-droxy-coumarin and 2-chloro-5,5-dimethyl-1,3,2-dioxaphosphinane 2-oxide. There are two mol-ecules in the asymmetric unit in which the benzopyran ring system is almost planar [r.m.s. deviation for each molecule = 0.003 Å]. In the crystal, C-H⋯O hydrogen bonds and π-π stacking inter-actions [with centroid-centroid ...
متن کاملDimethyl 2-(methylaminomethylene)malonate
In the title compound, C(7)H(11)NO(4), which is an example of a push-pull alkene, a network of N-H⋯O and C-H⋯O inter-actions helps to establish the crystal structure. The investigated crystal turned out to be a non-merohedral twin with a ratio of twin components of 0.442 (3):0.558 (3). Two pairs of independent mol-ecules (Z' = 4) are linked by inter-molecular N-H⋯O hydrogen bonds, forming indep...
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ژورنال
عنوان ژورنال: Bulletin of the Chemical Society of Japan
سال: 1984
ISSN: 0009-2673,1348-0634
DOI: 10.1246/bcsj.57.621