Results 41 to 50 of about 31,960,422 (118)

Ethylene and auxin in the control of wood formation [PDF]

open access: yes, 2003
This thesis considers aspects of the regulation of growth rate and fibre properties in forest trees. These properties are both genetically determined and influenced by environmental stimuli.
Hellgren, Jenny Maria
core   +1 more source

pH Sensitive Anticancer Prodrug: Amide of Kemp's Acid [PDF]

open access: yes, 2009
Solid tumours are characterised by lower extracellular pH (as low as 5.8 pH) compared to normal healthy cellular pH (actively regulated at pH 7.3). This difference may be exploited with an acid-sensitive anti-tumour prodrug which releases a cytotoxin ...
Brooks, Robert Turongo
core  

Metal Complexes of 6-Hydroxymethylpyridine-2-carboxylic Acid

open access: yes, 1962
Spectrophotometric and pH-titration methods have been used to determine the stability constants at 25 C of complexes between transition metal ions and the anion of 6-hydroxymethylpyridine-2-carboxylic acid.
RW Green, GKS Ooi
core   +1 more source

Chromone-2-carboxylic acid

open access: yes, 2012
Inelastic Neutron Scattering spectrum of Chromone-2-carboxylic acid, C₁₀H₆O₄, measured on the TOSCA ...
M.P. Marques, University of Coimbra, Portugal
core   +1 more source

STUDIES IN THE CAMPHORQUINONE REARRANGEMENT. PART III. SYNTHESES OF 2 : 3-DIMETHYLCYCLOHEXAN-1-ONE-4-CARBOXYLIC ACID AND 3 : 6-DIMETHYLCYCLOHEXAN-1-ONE-4-CARBOXYLIC ACID

open access: yes, 1944
The ketonic acid, C9H14O3, obtained by the rearrangement of santenonequinone in presence of sulphuric acid has now been definitely identified as 2 : 3-dimethylcyclohexan-1-one-4-carboxylic acid by direct synthesis of this acid, as well as the isomeric 3 :
RAM NARAYAN CHAR.RAVARTI
core   +1 more source

One Carbon at a Time: Unlocking Iterative Carboxylic Acid Homologation [PDF]

open access: yes
The development of a direct and iterative protocol for carboxylic acid homologation has constituted a long-standing challenge in synthesis. We recently disclosed an efficient and practical strategy for the homologation of unmodified carboxylic acids ...
Silvi, Mattia, Wheatley, Emilie
core   +1 more source

Reexploring 5-methoxyindole-2-carboxylic acid (MICA) as a potential antidiabetic agent

open access: yes, 2018
Liang-Jun Yan Department of Pharmaceutical Sciences, UNT System College of Pharmacy, University of North Texas Health Science Center, Fort Worth, TX, USA Abstract: 5-Methoxyindole-2-carboxylic acid (MICA) is a potent hypoglycemic agent that inhibits ...
Yan LJ
core  

Synthesis and structural characterization of 6-(N-Methyl-pyridin-2-ylcarbamoyl)-pyridine-2-carboxylic Acid Methyl Ester Isomers

open access: yes, 2017
A series of monoamide isomers have been successfully synthesised and characterised using combination of common spectroscopic techniques such Fourier Transform Infrared (FT-IR), 1H and 13C Nuclear Magnetic Resonance (NMR) and Ultraviolet-visible (UV-vis).
Part Time Mohd Zulhimi bin Zolkefali
core  

(Z)-2-(4-Chloro-5H-1,2,3-dithiazol-5-ylideneamino)-6-ethoxy-4-phenylpyridine-3,5-dicarbonitrile

open access: yes, 2010
2-Amino-6-ethoxy-4-phenylpyridine-3,5-dicarbonitrile 1 reacts with 4,5-dichloro-1,2,3-dithiazolium chloride 2 in the presence of pyridine (2 equiv.) to afford (Z)-2-(4-chloro-5H-1,2,3-dithiazol-5-ylideneamino)-6-ethoxy-4-phenylpyridine-3,5 ...
Panayiotis A. Koutentis   +1 more
core   +1 more source

CARBOXYLIC ACID KETONIZATION ON ZEOLITES [PDF]

open access: yes, 2016
Carboxylic acids contained in crude oil and bio oil present significant corrosion and handling problems. It is necessary that the acid content is reduced in the bio-oil for upgrading.
Godavarthy, Manasa
core  

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