• No results found

3.2 to 3.4 eV

4′ (4 Chloro­benzo­yl) 1′ methyldi­spiro­[indole 3(2H),2′ pyrrolidine 3′,3′′(2′′H) indole] 2,2′′ dione

4′ (4 Chloro­benzo­yl) 1′ methyldi­spiro­[indole 3(2H),2′ pyrrolidine 3′,3′′(2′′H) indole] 2,2′′ dione

... isatin (indole-2,3-dione) (1 mmol), and sarcosine (N-methylglycine) (1 mmol) was refluxed in aqueous methonal for 3 h. On completion of the reaction the solvent was evaporated in vacuo and the resulting crude ...

10

4′ (4 Meth­oxy­phen­yl) 1 methyl­chroman 3 spiro 3′ pyrrolidine 2′ spiro 2′′ indan 4,1′′,3′′ trione

4′ (4 Meth­oxy­phen­yl) 1 methyl­chroman 3 spiro 3′ pyrrolidine 2′ spiro 2′′ indan 4,1′′,3′′ trione

... A solution of 3-p-methylbenzylidene-4-chromanone (0.5 mmol), ninhydrin (0.5 mmol) and sarcosine (0.5 mmol) in aqueous methanol (20 ml) was refluxed until the disappearance of the starting material. The ...

10

4′ (4 Bromo­benzo­yl) 1′ methyldi­spiro­[indole 3(2H),2′ pyrrolidine 3′,3′′(2′′H) indole] 2,2′′ dione

4′ (4 Bromo­benzo­yl) 1′ methyldi­spiro­[indole 3(2H),2′ pyrrolidine 3′,3′′(2′′H) indole] 2,2′′ dione

... isatin (indole-2,3-dione) (1 mmol), and sarcosine (N-methylglycine) (1 mmol) was refluxed in aqueous methonal for 3 h. On completion of the reaction, the solvent was evaporated in a vacuum and the resulting crude ...

10

4′ (4 Methyl­benzo­yl) 1′ methyl­di­spiro­[indole 3(2H),2′ pyrrolidine 3′,3′′(2′′H) indole] 2,2′′ dione

4′ (4 Methyl­benzo­yl) 1′ methyl­di­spiro­[indole 3(2H),2′ pyrrolidine 3′,3′′(2′′H) indole] 2,2′′ dione

... isatin (indole-2,3-dione) (1 mmol), and sarcosine (N-methylglycine) (1 mmol) was refluxed in aqueous methanol for 3 h. On completion of the reaction the solvent was evaporated in a vaccum and the resulting crude ...

11

N (3 Chloro­phen­yl) 2 cyano 3 (4 hydr­­oxy 3 meth­­oxy 2 nitro­phen­yl)prop 2 enamide

N (3 Chloro­phen­yl) 2 cyano 3 (4 hydr­­oxy 3 meth­­oxy 2 nitro­phen­yl)prop 2 enamide

... To a solution of 4-hydroxy-3-methoxy-2-nitrobenzaldehyde (1.0 g, 5.1 mmol) and N-(3-chlorophenyl)-2-cyanoacetamide (1.0 g, 5.2 mmol) in acetonitrile (10 ml), 1 drop of piperidine and ...

7

(E) 3 (4 Methyl­phen­yl) 3 [3 (4 methyl­phen­yl) 1H pyrazol 1 yl] 2 propenal

(E) 3 (4 Methyl­phen­yl) 3 [3 (4 methyl­phen­yl) 1H pyrazol 1 yl] 2 propenal

... 1.360 (2) Å, which are shorter than a C—N single bond length of 1.443 Å, but longer than a double bond length of 1.269 Å, (Jin et al., 2004), indicating electron delocalization. The pyrazole ring A and ...

7

4 [3 Benzoyl 4 (4 chloro­phen­yl) 1 methyl­pyrrolidin 2 yl] 1 (4 meth­oxy­phen­yl) 3 phenyl­azetidin 2 one

4 [3 Benzoyl 4 (4 chloro­phen­yl) 1 methyl­pyrrolidin 2 yl] 1 (4 meth­oxy­phen­yl) 3 phenyl­azetidin 2 one

... A solution of cis-4-formyl-2-azetidinone (1 mmol), sarcosine (1 mmol) and chlorochalcone (1 mmol) was refluxed in toluene (15 ml) using a Dean–Stark apparatus. The completion of the reac- tion was evidenced ...

10

4′ (4 Meth­oxy­benzo­yl) 1′ methyldi­spiro­[indole 3(2H),2′ pyrrolidine 3′,3′′(2′′H) indole] 2,2′′ dione

4′ (4 Meth­oxy­benzo­yl) 1′ methyldi­spiro­[indole 3(2H),2′ pyrrolidine 3′,3′′(2′′H) indole] 2,2′′ dione

... isatin (indole-2,3-dione) (1 mmol), and sarcosine (N-methylglycine) (1 mmol) was refluxed in aqueous methonal for 3 h. On completion of the reaction the solvent was evaporated in a vacuum and the resulting crude ...

10

Crystal structures of (E) 3 (4 hy­dr­oxy­benzyl­­idene)chroman 4 one and (E) 3 (3 hy­dr­oxy­benzyl­­idene) 2 phenyl­chroman 4 one

Crystal structures of (E) 3 (4 hy­dr­oxy­benzyl­­idene)chroman 4 one and (E) 3 (3 hy­dr­oxy­benzyl­­idene) 2 phenyl­chroman 4 one

... Compound II was synthesized according to the procedure described by Pijewska et al., (1993). A mixture of 2-phenyl- chroman-4-one (0.01 mol), 3-hydroxybenzaldehyde (0.01 mol) and five drops of ...

15

5′′ Benzyl­­idene 1′ methyl 4′ phenyl­indole 3 spiro 2′ pyrrolidine 3′ spiro 3′′ piperidine 2(3H),4′′ dione

5′′ Benzyl­­idene 1′ methyl 4′ phenyl­indole 3 spiro 2′ pyrrolidine 3′ spiro 3′′ piperidine 2(3H),4′′ dione

... A mixture of dipolarophile (dibenzylidine-N-methylpiperidone), isatin and sarcosine was re¯uxed in aqueous methanol until the starting materials had disappeared (about 3±4 h), as evidenced by thin-layer ...

10

(E) 4 (4 Hydr­­oxy 3 meth­oxy­phen­yl)but 3 en 2 one

(E) 4 (4 Hydr­­oxy 3 meth­oxy­phen­yl)but 3 en 2 one

... 4-Hydroxy-3-methoxybenzaldehyde (3.04 g, 20 mmol) was dissolved in 25 ml of acetone and 12 ml of dilute aqueous NaOH solution (10%) was added to the acetone solution with stirring. The mixture was allowed ...

6

4 Hy­dr­oxy 3 [(4 hy­dr­oxy 2 oxo 2H 3 chromen­yl)(3 thien­yl)meth­yl] 2H chromen 2 one

4 Hy­dr­oxy 3 [(4 hy­dr­oxy 2 oxo 2H 3 chromen­yl)(3 thien­yl)meth­yl] 2H chromen 2 one

... To a well-stirred solution of 4-hydroxycoumarin (6.17 mmol, 1.0 g) in ethanol (10 ml) containing two drops of acetic acid, thiophene-3-carboxaldehyde (3.1 mmol, 0.345 g) was added. The reaction mixture was ...

15

Crystal structure of 2 (4 chloro­phen­yl) 3 (4 meth­­oxy­phen­yl) 3 (methyl­sulfanyl)­acrylo­nitrile

Crystal structure of 2 (4 chloro­phen­yl) 3 (4 meth­­oxy­phen­yl) 3 (methyl­sulfanyl)­acrylo­nitrile

... (C C—C N) is planar to within 0.003 (2) A ˚ , with the S atom and the methyl C atom displaced from this plane by 0.2317 (6) and 0.637 (2) A ˚ , respectively. In the crystal, molecules are linked via pairs ...

7

1 [3 (Morpholin 4 yl)prop­yl] 3 [(naph­tha­len 2 yl)­oxy] 4 (3 nitro­phen­yl)azeti­din 2 one

1 [3 (Morpholin 4 yl)prop­yl] 3 [(naph­tha­len 2 yl)­oxy] 4 (3 nitro­phen­yl)azeti­din 2 one

... N3 0.0670 (17) 0.0656 (16) 0.0528 (13) −0.0176 (12) −0.0016 (12) −0.0164 (11) C1 0.084 (2) 0.074 (2) 0.0428 (15) −0.0215 (19) −0.0004 (16) −0.0171 (15) C2 0.071 (2) 0.086 (2) 0.0449 (15) ...

11

4 (3 Meth­oxy­phenyl­diazen­yl) 2 methyl­phenol

4 (3 Meth­oxy­phenyl­diazen­yl) 2 methyl­phenol

... used to solve structure: SHELXS97 Sheldrick, 1997; programs used to refine structure: SHELXL97 Sheldrick, 1997; molecular graphics: ORTEP-3 for Windows Farrugia, 1997; software used to p[r] ...

6

SYNTHESIS, SPECTRAL AND THEORETICAL CHARACTERIZATION OF  5,6-DICHLORO/DIMETHYL-2-(2´,3´/2´,4´/2´,5´/3´,4´/3´,5´-DIMETHOXYPHENYL)-1H-BENZIMIDAZOLES

SYNTHESIS, SPECTRAL AND THEORETICAL CHARACTERIZATION OF 5,6-DICHLORO/DIMETHYL-2-(2´,3´/2´,4´/2´,5´/3´,4´/3´,5´-DIMETHOXYPHENYL)-1H-BENZIMIDAZOLES

... Various benzimidazole derivatives display a wide range of biological activity. For instance, vitamin B12 has 5,6-dimethylbenzimidazole moiety as coordinated to the Co(II) ion [1,2]. On the other hand, various drugs and ...

10

4 (2 Benzoyl­hydrazino­thia­zol 4 yl) 3 phenyl­sydnone

4 (2 Benzoyl­hydrazino­thia­zol 4 yl) 3 phenyl­sydnone

... To a stirred suspension of 4-bromoacetyl-3-phenylsydnone (2.83 g, 0.01 mol) in absolute ethanol (20 ml) was added a solution of 1- benzoyl thiosemicarbazide (1.9 g, 0.01 mol) in absolute ethanol (20 ml) and ...

8

(Z) Ethyl 3 (4 chloro­benzamido) 2 cyano 3 (4 fluoro­phen­yl)acrylate

(Z) Ethyl 3 (4 chloro­benzamido) 2 cyano 3 (4 fluoro­phen­yl)acrylate

... Cl1 0.0849 (7) 0.0965 (7) 0.1095 (8) 0.0329 (6) 0.0085 (6) 0.0214 (6) F1 0.226 (3) 0.0791 (16) 0.0970 (18) 0.0063 (18) −0.0458 (19) 0.0293 (14) N1 0.0694 (18) 0.0653 (16) 0.0443 (14) 0.0139 (14) 0.0072 (13) 0.0055 ...

8

2 [1 (4 Bromo­phen­yl) 3 hy­dr­oxy 3 (4 meth­­oxy­phen­yl)prop­yl]cyclo­hexa­nol

2 [1 (4 Bromo­phen­yl) 3 hy­dr­oxy 3 (4 meth­­oxy­phen­yl)prop­yl]cyclo­hexa­nol

... C13 0.045 (2) 0.075 (3) 0.046 (2) −0.0012 (19) 0.0297 (19) 0.0007 (19) C14 0.053 (2) 0.058 (2) 0.048 (2) 0.0022 (19) 0.033 (2) 0.0056 (18) C15 0.053 (2) 0.062 ...

10

3 Mesityl 2 oxo 1 oxa­spiro­[4 4]non 3 en 4 yl 2 (4 chloro­phen­yl) 3 methyl­butyrate

3 Mesityl 2 oxo 1 oxa­spiro­[4 4]non 3 en 4 yl 2 (4 chloro­phen­yl) 3 methyl­butyrate

... Data collection: PROCESS-AUTO (Rigaku, 1998); cell refine- ment: PROCESS-AUTO; data reduction: CrystalStructure (Rigaku/ MSC, 2002) and Larson (1970); program(s) used to solve structure: SIR97 (Altomare et al., 1999); ...

10

Show all 10000 documents...

Related subjects