Results 91 to 100 of about 2,718,627 (117)

Syntheses and spectral studies of novel ciprofloxacin derivatives

Bulletin of the Chemical Society of Ethiopia, 2008
Reaction of 1-cyclopropyl-6-fluoro-4-oxo-7-(piperazin-1-yl)-1,4-dihydroquinoline-3-carboxylic acid (ciprofloxacin) with thiazole/benzothiazole diazonium chloride afforded piperazine substituted ciprofloxacin derivative. The acid part of these derivatives
Pradeep Yadav, Y.C. Joshi
doaj  

Characterizing the growth of PHA-producing microorganisms on short-chain carboxylic acids

Microbial Cell Factories
Short-chain carboxylic acids are important chemical intermediates in anaerobic treatment or thermal hydrolysis of biowaste. They are a crucial precursor for the production of Polyhydroxyalkanoate (PHA) by various microorganisms. However, there is limited
Steven Leonhardt, Pravesh Tamang, Günter E. M. Tovar, Susanne Zibek   +3 more
doaj   +1 more source

Reactions of Some Pyrazole-3-Carboxylic Acid and Carboxylic Acid Chlorides with Various Alcohols

, 2012
The reactions of 4-benzoyl-1-(2,4-dinitrophenyl)-5-phenyl-1H-pyrazole-3-carboxylic acid (2b), 4-benzoyl-1-(4-nitropheny1)-5-phenyl-1H-pyrazole-3-carboxylic acid chloride (3a) and 4-benzoyl-1-(2,4-dinitrophenyl)-5-phenyl-1H-pyrazole-3-carboxylic acid ...
İLHAN, Ilhan Özer, SARIPINAR, Emin, Bahadir, Ozlem, Onal, Zulbiye   +3 more
core   +1 more source

A concise synthesis and the antibacterial activity of 5,6-dimethoxynaphthalene-2-carboxylic acid

, 2005
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 acylation with AcCl gave 2-acetyl-5-bromo-6 ...
UGUZ, METİN TANSU, Secen, Hasan, Ozdemir, Hasan, Goksu, Süleyman   +3 more
core  

Oxidation of D-thiazolidine-4-carboxylic acid by hog kidney D-aminoacid oxidase.

, 1979
D-Thiazolidine-4-carboxylic acid is a good substrate for hog kidney D-aminoacid oxidase. Data are presented showing that the only oxidation product is delta 3-thiazoline-4-carboxylic acid, which does not undergo further spontaneous degradation. Thus, the
CINI, Chiara, BLARZINO, Carla, COCCIA, Raffaella, C. Foppoli   +3 more
core  

Synthesis and chromatographic properties of 1,3-thiazane-2-carboxylic acid (beta-homothiaproline).

, 1980
Details are reported for the synthesis of 1,3-thiazane-2-carboxylic acid, or beta-homothiaproline, 3-Bromopropylamine is allowed to react with sodium thiosulfate to give S-sulfo-homocysteamine, which is then split in acidic medium to homocystamine ...
CINI, Chiara, BLARZINO, Carla, C. D. Marco, C. Foppoli   +3 more
core  

Acid-catalysed reactions of bio-oil in liquid phase

, 2016
Under acid-catalysed condition, the behaviour of different components in bio-oil with alcohols or water was investigated. Heavy carboxylic acids and phenolics in bio-oil were quantified.
Liping Wu (578606)
core  

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Carboxylic Acids as Substrates in Homogeneous Catalysis

Angewandte Chemie - International Edition, 2008
Käthe Goossen, Lukas J. Goossen, Nuria Rodríguez   +2 more
exaly  

Direct and Waste-Free Amidations and Cycloadditions by Organocatalytic Activation of Carboxylic Acids at Room Temperature

Angewandte Chemie - International Edition, 2008
Dennis G. Hall, Raed M Al-Zoubi
exaly  

Palladium-Catalyzed Synthesis of Aryl Ketones From Boronic Acids and Carboxylic Acids or Anhydrides

Angewandte Chemie - International Edition, 2001
Lukas J. Goossen
exaly