[PDF] Top 20 5 Amino 1 phenyl 1H pyrazole
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5 Amino 1 phenyl 1H pyrazole
... The molecular structure of (I) is depicted in Fig. 1, and selected bond distances and angles are given in Table 1. Both the rings are slightly deformed. The maximum deviation from the phenyl ring is ... See full document
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5 Amino 1 phenyl 1H pyrazole 4 carboxylic acid
... A mixture of 5-amino-1-phenyl-1H-pyrazole-4-carboxylic acid, ethyl ester (2.312 g; 10.0 mmoles), potassium hydroxide (1.12 g; 20 mmoles) and ethanol (25 ml) was refluxed for two ... See full document
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Ethyl 5 amino 1 (4 chloro 2 nitrophenyl) 1H pyrazole 4 carboxylate
... 4-chloro-2-nitro phenyl group is essentially planar and is twisted by ...the pyrazole ring about the C6—N2 bond. The planar structure of the pyrazole ring is stabilized by an intramolecular N—H···O ... See full document
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Synthesis, characterization, and antimicrobial activity of pyrazol 3 yl pyrimidine, pyrazole and pyran derivatives
... compound 1, with malononitrile one molar each with cyclohexanone, dimeclone or acetophenone and drops of (TEA) in absolute ethanol and heating at reflux, gave compounds (13-15, Scheme 5) where their ... See full document
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Crystal structure of 3 methyl 1 phenyl 5 (1H pyrrol 1 yl) 1H pyrazole 4 carbaldehyde
... A mixture of 2.01 g (0.01 mol) 5-amino-3-methyl-1-phenyl-1H-pyrazole-4-carbaldehyde and 1.32 g (0.01 mol) of 2,5-di- methoxytetrahydrofuran in acetic acid (15 ml) was heated ... See full document
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1 [2,6 Dichloro 4 (trifluoromethyl)phenyl] 5 [(dimethylsulfonyl)amino] 1H pyrazole 3 carbonitrile
... Cl1 0.0647 (6) 0.0521 (5) 0.0668 (6) −0.0237 (4) −0.0099 (4) −0.0025 (4) Cl2 0.0582 (5) 0.0567 (5) 0.0492 (5) −0.0271 (4) −0.0058 (4) 0.0017 (4) S1 0.0372 (4) 0.0401 (4) 0.0386 (4) −0.0120 (3) ... See full document
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5 (2 Chlorobenzamido) 1 [2,6 dichloro 4 (trifluoromethyl)phenyl] 1H pyrazole 3 carbonitrile
... gave 5-amino-3-cyano-1-[2,6-di- chloro-4-(trifluoromethyl)phenyl]pyrazole, which was then refluxed with 2-chlorobenzoyl chloride and pyridine in chloroform for about 8 h to give the ... See full document
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5 {[(4 Chlorophenyl)methylene]amino} 1 [2,6 dichloro 4 (trifluoromethyl)phenyl] 1H pyrazole 3 carbonitrile
... Cl1 0.0929 (5) 0.0752 (5) 0.0824 (5) −0.0380 (4) −0.0142 (4) −0.0363 (4) Cl2 0.0665 (4) 0.0956 (5) 0.0676 (4) −0.0301 (4) −0.0265 (3) 0.0030 (4) Cl3 0.0826 (5) 0.0775 (5) 0.0803 ... See full document
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1 [2,6 Dichloro 4 (trifluoromethyl)phenyl] 5 [(4 dimethylaminobenzylidene)amino] 1H pyrazole 3 carbonitrile
... gave 5-amino-3-cyano-1-[2,6-dichloro-4-(trifluoro- methyl)phenyl]pyrazole, which was then reacted with 4-(dimethyl- amino)benzaldehyde and hydrochloric acid in anhydrous ethanol ... See full document
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1 [2,6 Dichloro 4 (trifluoromethyl)phenyl] 5 [(4 nitrophenyl)methyleneimino] 1H pyrazole 3 carbonitrile
... gave 5-amino-3-cyano-1-(2,6-dichloro-4-trifluoromethyl- phenyl)pyrazole, which then reacted with 4-nitrobenzaldehyde to give the title compound, ...cm 1 ): 3133, 2360, 2241, ... See full document
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1 [2,6 Dichloro 4 (trifluoromethyl)phenyl] 5 [(4 methoxyphenyl)methyleneimino] 1H pyrazole 3 carbonitrile
... Following the method of Hatton et al. (1993), the reaction of 2,6- dichloro-4-(trifluoromethyl)aniline with a suspension of nitrosyl- sulfuric acid, followed by reaction with a solution of ethyl 2,3-di- cyanopropionate ... See full document
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1 (Benzotriazol 1 ylmethyl) 5 (4 dimethylaminophenyl) 3 phenyl 4,5 dihydro 1H pyrazole
... of 5-(4-dimethylaminophenyl)-3-phenyl-4,5-dihydro-1H- pyrazole ...mmol), 1-hydroxymethylbenzotriazole (0.57 g, 3.83 mmol) and ethanol (5 ml) was heated to re¯ux for 30 ...K). ... See full document
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5 Amino 4 methylsulfonyl 1 phenyl 1H pyrazole
... central pyrazole ring is exactly planar and the 1-phenyl group has no effect on the -electron system of the pyrazole ...the 5-amino N atom is strongly conjugated with the ... See full document
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Ethyl 5 amino 1 (5 amino 3 methyl 1 phenyl 1H pyrazol 4 ylcarbonyl) 3 methyl 1H pyrazole 4 carboxylate
... The title compound (I) was synthesized according to the procedure reported by Li et al. (2004). To a solution of ethyl (Z)-2-cyano-3- methoxybut-2-enoate (5.0 mmol) in ethanol (15 ml) was added 5- ... See full document
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2,2′ (1 Phenyl 1H pyrazole 3,5 diyl)diphenol
... hydroxyphenyl)-3-(-methoxyphenyl)propane-1,3-dione. The molecular structure of the title compound is stabilized by an intramolecular O—H N hydrogen bond. The dihedral angle between the hydroxyphenyl ring involved in this ... See full document
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Diaquabis(5 phenyl 1H pyrazole 3 carboxylato)cobalt(II)
... 2005). Pyrazole carboxylic acids as multifunctional ligands, for example, pyrazole-3,5- dicarboxylic acid (Pan et ...of 5-phenylpyrazole-3-carboxylic acid (H 2 PPA) have not ... See full document
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Ethyl 1 [(6 chloropyridin 3 yl)methyl] 3 phenyl 1H pyrazole 5 carboxylate
... Cl1 0.0676 (4) 0.0548 (3) 0.0919 (5) −0.0084 (3) 0.0047 (3) −0.0101 (3) O1 0.0785 (10) 0.0635 (9) 0.0434 (8) −0.0082 (7) 0.0054 (7) −0.0176 (6) O2 0.0643 (9) 0.0463 (7) 0.0503 (8) −0.0027 (6) 0.0057 (6) −0.0142 ... See full document
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Crystal structure of 3 (4 methylphenyl) 1 phenyl 5 [(E) 2 phenylethenyl] 1H pyrazole
... A mixture of (2 E ,4 E )-1-(4-methylphenyl)-5-phenylpenta-2,4-dien-1-one (2.48 g, 0.01 mol) and phenylhydrazine (1.08 g,0.01 mol) in 30 ml acetic acid was refluxed for 10 hours. The reaction mixture ... See full document
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Diaquabis(5 phenyl 1H pyrazole 3 carboxylato)copper(II)
... Nicotinic acid as a hypolipidemic agent appears to have good potential to increase HDL cholesterol levels to a greater extent (Knopp, 1999). However, it has severe skin flushing side effect. In the search for novel ... See full document
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5 (4 Bromophenyl) 3 (4 fluorophenyl) 1 phenyl 4,5 dihydro 1H pyrazole
... A mixture of (2E)-3-(4-bromophenyl)-1-(4-fluorophenyl)prop-2-en-1-one (3.05 g, 0.01 mol) and phenyl hydrazine (0.98 ml, 0.01 mol) in 50 ml of glacial acetic acid was refluxed for 6 h. The reaction ... See full document
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