Results 21 to 30 of about 43,385 (264)

4,4′-Dimethoxybiphenyl-3,3′-dicarboxylic acid

Acta Crystallographica Section E, 2014
The title compound, C16H14O6, was recrystallized under solvothermal conditions. The molecules are located on inversion centres, with one complete molecule generated from the asymmetric unit by inversion.
Fredrik Lundvall, David Stephen Wragg, Pascal D. C. Dietzel, Helmer Fjellvåg   +3 more
doaj   +1 more source

Chlorinated Cubane-1,4-dicarboxylic Acids

The Journal of Organic Chemistry, 2023
Herein, we report radical chlorination of cubane-1,4-dicarboxylic acid leading preferentially to one monochlorinated cubane dicarboxylate (ca. 70%) that is accompanied by four dichlorinated derivatives (ca. 20% in total). The exact positions of the chlorine atoms have been confirmed by X-ray diffraction of the corresponding single crystals. The acidity
Adéla Křížková, Guillaume Bastien, Igor Rončević, Ivana Císařová, Jiří Rybáček, Václav Kašička, Jiří Kaleta   +6 more
openaire   +2 more sources

Facile Synthesis of (R,R) and of (R,S) Tricarballylic Acid Anhydride and Imide Derivatives

Molecules, 2000
The diastereomeric mixture of (R)-2-(methoxycarbonylmethyl)-N-(R)-1-(1-phenylethyl) succinimide 11s and (S)-2-(methoxycarbonylmethyl)-N-(R)-1-(1-phenylethyl) succinimide 11a was synthesized by reaction of 2-(carboxymethyl)succinic anhydride 6 with (R ...
Abdel-Sattar S. Hamad Elgazwy
doaj   +1 more source

Poly[μ6-pyridine-2,4-dicarboxylato-barium]

Acta Crystallographica Section E, 2010
In the title complex, [Ba(C7H3NO4)]n, the coordination geometry around the BaII ion can be described as a distorted bicapped trigonal-prismatic BaNO7 arrangement. The pyridine-2,4-dicarboxylic acid ligands exhibit a new coordination mode.
Qi Shuai, Xiao-Nong Zhao, Li Zhao, Fan Hu   +3 more
doaj   +1 more source

Abnormal urinary excretion of unsaturated dicarboxylic acids in patients with medium-chain acyl-CoA dehydrogenase deficiency.

Journal of Lipid Research, 1990
Medium-chain acyl-CoA dehydrogenase (MCAD) deficiency is the most frequently described metabolic disorder of fatty acid oxidation in humans. Acute episodes are usually characterized biochemically by the appearance of nonketotic dicarboxylic aciduria.
KY Tserng, SJ Jin, DS Kerr, CL Hoppel
doaj   +1 more source

Angiotensin II Disrupts Neurovascular Coupling by Potentiating Calcium Increases in Astrocytic Endfeet

Journal of the American Heart Association: Cardiovascular and Cerebrovascular Disease, 2021
Background Angiotensin II (Ang II), a critical mediator of hypertension, impairs neurovascular coupling. Since astrocytes are key regulators of neurovascular coupling, we sought to investigate whether Ang II impairs neurovascular coupling through ...
Michaël Boily, Lin Li, Diane Vallerand, Hélène Girouard   +3 more
doaj   +1 more source

Oxalic acid as a heterogeneous ice nucleus in the upper troposphere and its indirect aerosol effect

, 2006
Zobrist B, Marcolli C, Koop T, et al. Oxalic acid as a heterogeneous ice nucleus in the upper troposphere and its indirect aerosol effect. ATMOSPHERIC CHEMISTRY AND PHYSICS.
Koop, Thomas, Cziczo, Daniel J., Corti, Thierry, Murphy, D. M., Fueglistaler, Stephan, B. Zobrist, P. K. Hudson, Koop, T., Hudson, P.K., Koop, Thomas ; https://orcid.org/, Krieger, U. K., Corti, T., Lohmann, Ulrike, Thomson, D. S., U. K. Krieger, Marcolli, C., D. S. Thomson, D. J. Cziczo, T. Corti, T. Peter, U. Lohmann, Lohmann, U., Peter, Thomas, T. Koop, Luo, Beiping P., Murphy, Daniel M., A. A. Zardini, Krieger, Ulrich; id_orcid, Luo, B. P., Hudson, P. K., Thomson, D.S., B. P. Luo, Zardini, A., Cziczo, D. J., Zardini, A. A., Zardini, Alessandro A., D. M. Murphy, C. Marcolli, S. Fueglistaler, Peter, T., Marcolli, Claudia, Zobrist, Bernhard, Zobrist, B., Fueglistaler, S.   +43 more
core   +1 more source

Dicarboxylic acids, ketocarboxylic acids,α-dicarbonyls, fatty acids, and benzoic acid in urban aerosols collected during the 2006 Campaign of Air Quality Research in Beijing (CAREBeijing-2006) [PDF]

, 2010
Ground-based studies of PM2.5 were conducted for determination of 30 water-soluble organic species, including dicarboxylic acids, ketocarboxylic acids and dicarbonyls, nine fatty acids, and benzoic acid, during the Campaign of Air Quality Research in ...
Cheng, Y, K. Kawamura, S. C. Lee, Lee, S. C., Kimitaka Kawamura, Ho, SSH, T. Zhu, Cheng, Y., Kawamura, Kimitaka, Zhu, T, K.F. Ho, S.C. Lee, Steven Sai Hang Ho, Eri Tachibana, K. F. Ho, Tachibana, Eri, Lee, SC, Tachibana, E, Zhu, Tong, Y. Cheng, Ho, K. F., E. Tachibana, Kawamura, K, Ho, Steven Sai Hang, Ho, KF, S.S.H. Ho, Tong Zhu   +26 more
core   +1 more source

Incorporation of Organic Counter‐Cations Into Poly(Heptazine Imide) Networks for Promoting Proton‐Coupled Electron Transfer During Photocatalytic H2O2 Evolution

Angewandte Chemie, EarlyView.
Incorporation of N‐based onium ions into the ionic framework of poly(heptazine imide) was obtained via protonation‐deprotonation of PHI frameworks arising from a parent Na‐containing analogue. Particularly, methylammonium moieties, through their small molecular size, hydrogen bonding capabilities and rotational mobility, appear to stabilize ...
Dingqiao Ji, Hikmat Binyaminov, Desiree Leistenschneider, Martin Oschatz, Paolo Giusto, Markus Antonietti, Horațiu Szalad   +6 more
wiley   +2 more sources

Acetylene dicarboxylic acid

, 2017
Inelastic Neutron Scattering spectrum of Acetylene dicarboxylic acid, C₄H₄O₄, measured on the TFXA ...
J. Tomkinson, ISIS Facility
core   +1 more source