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云南师范大学化学化工学院有机化学课件Chapter15 Carboxylic acid derivatives
云南师范大学化学化工学院 有机化学 课件 Chapter15 Carboxylic acid derivatives
2018/6/28
云南师范大学化学化工学院有机化学课件Chapter15 Carboxylic acid derivatives。
Reactions of 4-benzoyl-1,5-diphenyl-1H-pyrazole-3- carboxylic acid chloride with various hydroxylamines and carbazates
Pyrazole-3-carboxylic acid nucleophilic substitution furan-2,3-dione
2010/12/29
The 1H-pyrazole-3-carboxylic acid 2 was converted via reactions of its acid chloride 3 with various hydroxylamine 4a-f and carbazate derivatives 8a-c into the corresponding novel N-substituted-4-benzo...
Reactions of 4-benzoyl-1,5-diphenyl-1H-pyrazole-3- carboxylic acid chloride with various hydroxylamines and carbazates
Pyrazole-3-carboxylic acid nucleophilic substitution furan-2,3-dione carbazate hydroxylamine
2010/12/20
The 1H-pyrazole-3-carboxylic acid 2 was converted via reactions of its acid chloride 3 with various hydroxylamine 4a-f and carbazate derivatives 8a-c into the corresponding novel N-substituted-4-benzo...
Spectroscopic studies and Hartree-Fock ab initio calculations of a substituted amide of pyrazine-2-carboxylic acid - C16H18ClN3O
Amides of pyrazine carboxylic acid IR Hartree-Fock ab initio calculations, hyperpolaziability
2010/4/8
A substituted amide of pyrazine-2-carboxylic acid was prepared and the IR spectrum was recorded and analysed. The compound prepared was identified by NMR and mass spectra. The vibrational frequencies ...
Prediction of Acidity Constants of Thiazolidine-4-carboxylic Acid Derivatives Using Ab Initio and Genetic Algorithm-partial Least Squares
Ab initio partial least squares genetic algorithm acidity constant thiazolidine-4-carboxylic acid
2010/4/19
A quantitative structure-property relationship study is suggested for the prediction of the acidity constants of some thiazolidine-4-carboxylic acid derivatives in aqueous solution. Ab initio theory w...
Organotin (IV) Derivatives of 1-Ethyl-1,4-Dihydro-7-Methyl-4-Oxo- 1,8-Naphthyridine-3-Carboxylic Acid (Nalidixic Acid): Synthesis, Structural Elucidation and Biological Activities
Organotin(IV) complexes 1-ethyl-1,4-dihydro-7-methyl-4-oxo-1,8- naphthyridine-3-carboxylic acid (nalidixic acid) Spectroscopic characterization Biological Activity
2010/4/19
Organotin carboxylates of the general formulae R2SnL2 and R3SnL, where R = CH3, n-C4H9, C6H5, CH2C6H5 and L = 1-ethyl-1,4-dihydro-7-methyl-4-oxo-1,8-naphthyridine-3-carboxylic acid (nalidixic acid), h...
A Concise Synthesis and the Antibacterial Activity of 5,6-Dimethoxynaphthalene-2-carboxylic Acid
Naphthalene-2-carboxylic acids 2-naphthol bromination haloform antibacterial activity
2010/4/20
5,6-Dimethoxynaphthalene-2-carboxylic acid was synthesized in 7 steps and with an overall yield of 46%. Bromination of 2-naphthol, and methylation with dimethyl sulfate followed by Friedel-Crafts acyl...
Synthesis and Some Reactions of 4-Benzoyl-5-Phenyl-1-Pyridin-2-yl-1H- Pyrazole-3-Carboxylic Acid
Cyclic oxalyl compounds Pyrazole Pyrazolo [3,4-d] Pyridazinone
2010/4/20
The 1H-pyrazole-3-carboxylic acid 2, obtained from the furandione 1 and 2-hydrazinopyridine, was decarboxylated to give 4-benzoyl-5-phenyl-1-pyridin-2-yl-pyrazole derivative 3. Some ester 4 derivative...
Synthesis and Some Reactions of 4-Benzoyl-5-Phenyl-1-(2,4,6-Trichloro Phenyl)-1H-Pyrazole-3-Carboxylic Acid
Cyclic oxalyl compounds Pyrazole Pyridazine Pyrazolo [3,4-d] Pyridazinone
2010/4/21
Furandione 1 was reacted with 2,4,6-trichlorophenylhydrazine to give the 1H-pyrazole-3-carboxylic acid 2 together with a new pyridazinone derivative 3. Then 2 was converted into the corresponding este...
Polarographic Studies on the Kinetics of the Electrode Reaction of 4-Benzoyl-1,5 Diphenyl Pyrazole-3-Carboxylic Acid
Polarographic Studies the Kinetics of the Electrode Reaction 4-Benzoyl-1,5 Diphenyl Pyrazole-3-Carboxylic Acid
2010/6/30
The polarographic behavior of 4-Benzoyl-1,5 diphenyl pyrazole-3- Carboxylic acid (BDPPCA) in aqueous ethanol solution (76 % v/v) at 25oC was studied as a function of pH using Mcl buffer solution. One ...
Reactions of 4-Amino-4,5-Dihydro-1H-1,2,4-Triazol-5-ones and 4-Amino-4H-1,2,4-Triazoles with Some Carboxylic Acid Anhydrides
Reactions 4-Amino-4,5-Dihydro-1H-1,2,4-Triazol-5-ones 4-Amino-4H-1,2,4-Triazoles Some Carboxylic Acid Anhydrides
2010/7/1
3-Alkyl(Aryl)-4-tetrachlorophthalimido-4,5-dihydro-1H-1,2,4-triazol-5-ones (2) and 3-alkyl(aryl)-4-(1,8-naphthalimido)-4,5-dihydro-1H-1,2,4-triazol-5-ones (3) were synthesized from the reactions of 3-...