Crystal structure of (2R,1'R)-2-hydroxy-4-(1'-phenylethyl)-3,4-dihydro- 2H-1,4-oxazine-3-one, C12H13NO3
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چکیده
منابع مشابه
Anti-anxiety, Anti-depressant and Anti- Cataleptic Activity of 4-hydroxy-3-[2-(3-nitrophenyl)-2, 3-dihydro-1, 5- Benzothiazepin-4-yl]-2h-chromen-2-one
The Present study was aimed to evaluate the therapeutic effectiveness of 1, 5-benzothiazapine derivative in central nervous diseases. 1,5Benzothiazipines are the seven–membered heterocyclic ring systems which are reported for their behavioral activities. In the current research, we have investigated the effect of 1,5-benzothiazine derivative for its anti-anxiety, antidepressant and anti-catalep...
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The title compound, C14H13N3O5 (HMNP), was synthesized by the simple condensation of p-nitro-phenyl-hydrazine with de-hydro-acetic acid (DHA) in a 1:1 molar ratio in ethanol. HMNP has been characterized by using FT-IR, 1H and 13C NMR and UV-Vis spectroscopic and single-crystal X-ray diffraction techniques. The crystal packing reveals strong hydrogen bonds between the NH group and the carbonyl O...
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In the title compound, C24H14Cl2N2O2S, the 2H-chromene ring system is approximately planar, with a maximum deviation of 0.025 (2) Å. The thia-zole ring is almost planar, with an r.m.s. deviation of 0.0022 Å, and makes a dihedral angle of 58.52 (7)° with the chromene ring system. The chromene ring system is inclined at angles of 58.3 (1) and 55.39 (9)° with respect to the two chloro-phenyl rings...
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Two independent mol-ecules (A and B) comprise the asymmetric unit of the title compound, C21H18O4. There are significant conformational differences between the mol-ecules relating in particular to the relative orientation of the 3-oxo-2-(phenyl-methyl-idene)but-oxy substituent with respect to the superimposable chromen-2-one residues. To a first approximation, the substituents are mirror images...
متن کاملCrystal structure of 3-[2-(4-methylphenyl)ethynyl]-2H-chromen-2-one
The coumarin ring system in the title asymmetric alkyne, C18H12O2, is approximately planar (r.m.s. deviation of the 11 non-H atoms = 0.048 Å), and is inclined with respect to the methyl-benzene ring, forming a dihedral angle of 33.68 (4)°. In the crystal, supra-molecular zigzag chains along the c-axis direction are formed via weak C-H⋯O hydrogen bonds, and these are connected into double layers...
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ژورنال
عنوان ژورنال: Zeitschrift für Kristallographie - New Crystal Structures
سال: 1997
ISSN: 2197-4578,1433-7266
DOI: 10.1524/ncrs.1997.212.jg.419