9-Methyl-2H-chromeno[8,7-d]isoxazol-2-one N-oxide
نویسندگان
چکیده
منابع مشابه
9-Isopropenyl-4-methyl-2H-thieno[2,3-h]chromen-2-one
The title compound, C(15)H(12)O(2)S, features three fused rings with a dihedral angle of 79.6 (2)° between the isopropenyl group and the thio-phene ring. In the crystal, mol-ecules are connected into a supra-molecular helical chain via C-H⋯O contacts.
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In the title mol-ecule, C(16)H(19)BrO(3), all non-H atoms apart from the Br atom are approximately coplanar, with a maximum deviation of 0.242 (4) Å. The C-C-C-Br torsion angle is 66.5 (4)°.
متن کامل6-Methyl-2-phenyl-4,5-dihydropyridazin-3(2H)-one
In the title mol-ecule, C(11)H(12)N(2)O, the pyridazine ring has a skew-boat conformation. The dihedral angle between the phenyl ring [r.m.s deviation = 0.0039 (15) Å] and the best mean-plane of the pyridazine ring [r.m.s deviations = 0.2629 (15) Å] is 53.27 (10)°. In the crystal, mol-ecules are linked by C-H⋯O hydrogen bonds and C-H⋯π inter-actions involving the methyl group and the phenyl rin...
متن کامل6-Methoxy-4-methyl-2H-chromen-2-one
The whole mol-ecule of the title coumarin derivative, C(11)H(10)O(3), is approximately planar, with a maximum deviation of 0.116 (3) Å from the least-squares plane defined by all non-H atoms. In the crystal, adjacent mol-ecules are linked into chains along [011] via inter-molecular C-H⋯O hydrogen bonds.
متن کاملN,N-Diethyl-4-[9-methoxy-6-(4-methoxyphenyl)-5-methyl-2-phenyl-2H-benzo[h]chromen-2-yl]aniline
In the title compound, C(38)H(37)NO(3), the pyran ring has an envelope conformation with the quaternary C(q) atom as the flap atom. The dihedral angle formed between the meth-oxy-phenyl group and the naphthalene ring system is 67.32 (6)°. The ethyl-amino groups lie to the same side of the plane through the phenyl ring and form dihedral angles of 84.6 (3) and 75.8 (2)° with it.
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ژورنال
عنوان ژورنال: Molbank
سال: 2008
ISSN: 1422-8599
DOI: 10.3390/m572