Results 61 to 70 of about 2,718,627 (117)

3,7-Dichloroquinoline-8-carboxylic acid

open access: yesActa Crystallographica Section E, 2008
The title compound (trade name: quinclorac), C10H5Cl2NO2, was crystallized from a dimethyl sulfoxide solution. Quinclorac molecules are packed mainly via π–π stacking interactions between neighbouring heterocycles (interplanar distance: 3.
Xin-Hong Guo
doaj   +1 more source

Sulfonic acid resin–catalyzed oxidation of aldehydes to carboxylic acids by hydrogen peroxide

open access: yes, 2013
Sulfonic acid resin–catalyzed oxidation of aldehydes to carboxylic acids by hydrogen ...
Lipeng Zhou   +6 more
core  

(+/-)-2,5-Dioxoperhydrocycloocta[b]furan-3-carboxylic acid

open access: yes, 2002
The anti stereochemistry between the fused rings of the bicyclic lactone (±)-2,5-dioxoperhydrocycloocta[b]furan-3-carboxylic acid, C₁₁H₁₄O₅, has been established.
Greatrex, B.   +3 more
core   +1 more source

Synthesis and Spectral Study of Novel Norfloxacin Derivatives

open access: yesE-Journal of Chemistry, 2008
Reaction of [1-ethyl-6-fluoro-1,4-dihydro-4-oxo-7-(1-piperazinyl)-quinolone-3-carboxylic acid (norfloxacin) with thiazole / benzothiazole diazonium chloride to get new piperazine substituted norfloxacin derivative.
Pradeep Yadav, Y. C. Joshi
doaj   +1 more source

1H-Pyrrole-2-carboxylic acid

open access: yesActa Crystallographica Section E, 2009
In the title compound, C5H5NO2, the pyrrole ring and its carboxyl substituent are close to coplanar, with a dihedral angle of 11.7 (3)° between the planes. In the crystal structure, adjacent molecules are linked by pairs of O—
Xiang Chao Zeng   +4 more
doaj   +1 more source

Synthesis of (+/-)-trans-Indolizidine-8-carboxylic Acid

open access: yes, 2014
A facile synthesis of a novel amino acid, trans-indolizidine-8-carboxylic acid, is ...
Gao, Yu-Kai   +2 more
core   +1 more source

Synthesis and Biological Activity of N-Substituted-3-chloro-2-azetidinones

open access: yesMolecules, 2007
2-Aminobenzothiazole-6-carboxylic acid (1), on condensation with chloroacetylchloride yielded 2-(2-chloroacetylamino)benzothiazole-6-carboxylic acid (2), which onamination with hydrazine hydrate yielded in turn 2-(2-hydrazinoacetylamino)benzo-thiazole-6 ...
Nandini R. Pai, Ameya A. Chavan
doaj   +1 more source

Effects of Preferential Incorporation of Carboxylic Acids on the Crystal Growth and Physicochemical Properties of Aragonite

open access: yesCrystals, 2020
The preferential incorporation of carboxylic acids into aragonite and its effects on the crystal growth and physicochemical properties of aragonite were systematically investigated using a seeded co-precipitation system with different carboxylic acids ...
Seon Yong Lee   +3 more
doaj   +1 more source

Oatp1a1-null mice had higher hippuric acid, but lower indole-3-carboxylic acid-glucuronide in urine than WT mice.

open access: yes, 2012
Structural elucidations were performed based on accurate mass measurement and MS/MS fragmentations of hippuric acid (a) and indole-3-carboxylic acid-glucuronide (b) in urine of WT and Oatp1a1-null mice.
Curtis D. Klaassen (131598)   +3 more
core   +1 more source

Chromone-3-carboxylic acid-D1

open access: yes, 2012
Inelastic Neutron Scattering spectrum of Chromone-3-carboxylic acid-D1, C₁₀H₅DO₄, measured on the TOSCA ...
M.P. Marques, University of Coimbra, Portugal
core   +1 more source

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