3-OXAZOL-5(4H)-ONE
SYNTHESIS, IN SILICO STUDIES AND EVALUATION OF ANTIBACTERIAL ACTIVITY OF 4 SUBSTITUTED BENZYLIDENE 2 (PHENOXYMETHYL) OXAZOL 5(4H) ONES
... 1, 3-oxazol-5-one scaffold and phenyl ring; a simple structural modification increased the potentiality of ...and 3, 4, 5-trimethoxy substitution (2d) on benzylidene ring ...
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Tricarbonyl[η4 2 phenyl 4 (3 phenylallylidene) 4H oxazol 5 one]iron(0)
... 2-Phenyl-4-(3-phenylallylidene)-4H-oxazol-5-one, (1), was prepared by the reaction of hippuric acid (4.60 g, 25.6 mmol) with cinnam- aldehyde (3.38 g) in anhydrous ethanol (50 ml). Upon ...
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2 (Naphthalen 1 yl) 4 (naphthalen 1 ylmethylidene) 1,3 oxazol 5(4H) one
... dehydration. 5-Oxazolones have also a wide range of applications including their use in semiconductor devices because of their promising photophysical and photochemical activities (Gündoğdu et ...
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Crystal structure of 3 benzylsulfanyl 6 (5 methyl 1,2 oxazol 3 yl) 1,2,4 triazolo[3,4 b][1,3,4]thiadiazole
... step one, a mixture containing equivalent amounts of 5-methylisoxazole-3-carboxylic acid and 4-amino-4H-[1,2,4]triazole-3,5-dithiol was refluxed in the presence of phosphorus oxychloride for about ...
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Crystal structure of 2 methyl 4 [(thiophen 2 yl)methylidene] 1,3 oxazol 5(4H) one
... The asymmetric unit of the title compound, Fig. 1, contains two crystallographically independent molecules (A and B), which are almost identical (Fig. 2). The molecular structure is comprised of an oxazole and a ...
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2 Phenyl 4 (3,4,5 trimethoxybenzylidene) 1,3 oxazol 5(4H) one
... The molecule possesses normal geometric parameters and adopts a Z configuration about the central olefinic bond (Fig. 1). The C11–C16 phenyl ring and the oxazolone ring are almost coplanar. However, the C4–C9 phenyl ring ...
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Synthesis, Characterization and Antimicrobial Evaluation of Novel Compounds of 3 ((benzo[d]oxazol 2 ylmethyl) Amino) 1 (2,5 difluorobenzoyl) 4 (2 phenyl hydrazono) 1H Pyrazol 5(4H) one
... of 3-((benzo[d]oxazol-2-ylmethyl)amino)-1-(2,5-difluorobenzoyl)-4-(2-(4- (substituted)phenyl)hydrazono)-1H-pyrazol-5(4H)-one (5a-g) were prepared by refluxing a mixture of ethyl 2-(4-(2- ...
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1 Acetyl 4′,5′a diphenyl 2′,2′a,5′,5′a tetrahydrospiro[1H indole 3,2′ oxeto[5,4 b]oxazol] 2(3H) one
... All H atoms were located in difference Fourier maps and were re®ned isotropically [CÐH = 0.90 (3)±0.98 (4) AÊ], except for those attached to atoms C13 and C18, which were positioned geometrically and treated as ...
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Crystal structure of 3,4′ diphenyl 3′ p tolyl 4′H spiro[indan 2,5′ [1,2]oxazol] 1 one
... C12 0.0380 (8) 0.0449 (8) 0.0421 (8) −0.0041 (6) 0.0071 (6) 0.0079 (6) C13 0.0424 (9) 0.0596 (10) 0.0571 (10) 0.0033 (8) 0.0043 (8) 0.0058 (8) C14 0.0469 (10) 0.0764 (12) 0.0578 (10) 0.0000 (9) −0.0045 (8) 0.0142 (9) C15 ...
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Diphenyl 5,6,7,7a tetrahydropyrrolo[1,2 c]oxazol 3(1H) one1
... In the absence of significant anomalous scattering effects, Friedel pairs were merged. In one molecule the five-membered pyrrole ring is disordered over two conformations with occupancies of 0.595 (18) and 0.405 ...
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3 {[3 (4 Chlorophenyl) 4,5 dihydro 1,2 oxazol 5 yl]methyl} 1,5 dimethyl 1H 1,5 benzodiazepine 2,4(3H,5H) dione
... and one proton can be abstracted by using potassium t -butoxide; the resulting carbanion can undergo a nucleophlilic subsitution with a dibromoalkane to form 3-substituted ...ClN 3 O 3 adopts ...
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Crystal structure and theoretical study of N,N bis[(5 chloro 2 oxo 2,3 dihydrobenzo[d]oxazol 3 yl)methyl] 2 phenylethanamine
... The central part of the title molecule (Fig. 1) comprises an N,N-dimethylmethanamine unit whose three carbon atoms are bonded to the N atoms of the two 5-chloro-1,3-benzox- azol-2(3H)-one moieties and to ...
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(3S,7aR) 7 Methoxy 7a methyl 3 phenyl 2,3 dihydropyrrolo[2,1 b]oxazol 5(7aH) one
... Data collection: CrysAlis CCD (Oxford Diffraction, 2008); cell refinement: CrysAlis RED (Oxford Diffraction, 2008); data reduc- tion: CrysAlis RED; program(s) used to solve structure: SHELXTL (Sheldrick, 2008); ...
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(2RS,5′RS) 3′,4′ Bis(4 chlorophenyl) 3,4 dihydrospiro[acridine 2,5′(4′H) [1,2]oxazol] 1(2H) one
... C27 0.0432 (11) 0.0414 (11) 0.0617 (12) 0.0006 (9) 0.0020 (9) −0.0020 (9) N1 0.0654 (12) 0.0597 (11) 0.0358 (8) 0.0118 (9) −0.0019 (8) 0.0041 (8) N2 0.0510 (10) 0.0412 (9) 0.0368 (8) −0.0002 (7) −0.0032 (7) −0.0015 (6) ...
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(1E,4E) 1 (3 Nitrophenyl) 5 phenylpenta 1,4 dien 3 one
... Data collection: CrysAlis PRO (Oxford Diffraction, 2007); cell refinement: CrysAlis PRO; data reduction: CrysAlis RED (Oxford Diffraction, 2007); program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) ...
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Synthesis of Bioactive Molecule Fluoro Substituted Benzothiazole Comprising Quinazolinyl Imidazole for Biological and Pharmacological Screening
... substituted 3-{7-substituted-6-1,3 -benzothiazol-2-yl-1-({4-methylphenyl) sulfonyl]20thixo-2,3dihydroquinazolin –4 (1H)-one and 2-[(4Z)-4-benzylidine-2-phenyl-5-oxo-4,5- ...
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3 [2 (5 tert Butyl 1,2 oxazol 3 yl)hydrazinylidene]chroman 2,4 dione
... Data collection: CrysAlis PRO (Agilent, 2010); cell refinement: CrysAlis PRO; data reduction: CrysAlis PRO; program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 ...
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(Z) 4 Benzylidene 3 methylisoxazol 5(4H) one
... A mixture of benzaldehyde oxime (1 mmol), ethyl acetoacetate (2 mmol) and anhydrous zinc chloride (0.1 mmol) were taken in a 10 ml round bottomed flask and contents were gradually heated to 120°C without any solvent for ...
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5 [(tert Butyldiphenylsilyloxy)methyl]pyridazin 3(2H) one
... C8′ 0.0532 (12) 0.0578 (14) 0.0755 (16) 0.0026 (11) 0.0181 (11) −0.0091 (12) C9′ 0.0749 (18) 0.0550 (15) 0.135 (3) 0.0015 (13) 0.0461 (18) −0.0044 (16) C10′ 0.098 (3) 0.062 (2) 0.253 (6) −0.0135 (19) 0.087 ...
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(Z) 5 Benzylidene 3 phenethyl 2 thioxoimidazolidin 4 one
... ethyl 3-phenyl-2-[(triphenylphosphoranylidene)- amino]prop-2-enoate (5 mmol) in dry dichloromethane was added carbon disul®de (50 mmol) and the mixture was re¯uxed for 29 ...ethyl ...
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