Assessment of pKa Determination for Monocarboxylic Acids with an Accurate Theoretical Composite Method: G4CEP

2019 ◽  
Vol 123 (38) ◽  
pp. 8314-8320 ◽  
Author(s):  
Cleuton de Souza Silva ◽  
Rogério Custodio
Keyword(s):  
Monocarboxylic Acids ◽  
Composite Method ◽  
Pka Determination

Extraction of monocarboxylic acids from diluted solutions by polyethylene glycol

2018 ◽  
pp. 303-307
Author(s):  
I. V. Zinovyeva ◽  
◽  
Yu. A. Zakhodyayeva ◽  
A. A. Voshkin ◽  
◽  
...  
Keyword(s):  
Polyethylene Glycol ◽  
Monocarboxylic Acids

Development of Pseudo-C2-symmetric Chiral Binaphthyl Monocarboxylic Acids for Enantioselective C(sp3)–H Functionalization Reactions under Rh(III) Catalysis

ACS Catalysis ◽  
2021 ◽  
Vol 11 (7) ◽  
pp. 4271-4277
Author(s):  
Yoshimi Kato ◽  
Luqing Lin ◽  
Masahiro Kojima ◽  
Tatsuhiko Yoshino ◽  
Shigeki Matsunaga
Keyword(s):  
Monocarboxylic Acids

scholarly journals Chiroptical activity of hydroxycarboxylic acids with implications for the origin of biological homochirality

2021 ◽  
Vol 4 (1) ◽  
Author(s):  
Jana Bocková ◽  
Nykola C. Jones ◽  
Uwe J. Meierhenrich ◽  
Søren V. Hoffmann ◽  
Cornelia Meinert
Keyword(s):  
Amino Acids ◽  
Lactic Acid ◽  
Organic Molecules ◽  
Building Blocks ◽  
Aliphatic Chain ◽  
Monocarboxylic Acids ◽  
Hydroxycarboxylic Acids ◽  
Polarised Light ◽  
Suitable Target ◽  
Anisotropy Spectra

AbstractCircularly polarised light (CPL) interacting with interstellar organic molecules might have imparted chiral bias and hence preluded prebiotic evolution of biomolecular homochirality. The l-enrichment of extra-terrestrial amino acids in meteorites, as opposed to no detectable excess in monocarboxylic acids and amines, has previously been attributed to their intrinsic interaction with stellar CPL revealed by substantial differences in their chiroptical signals. Recent analyses of meteoritic hydroxycarboxylic acids (HCAs) – potential co-building blocks of ancestral proto-peptides – indicated a chiral bias toward the l-enantiomer of lactic acid. Here we report on novel anisotropy spectra of several HCAs using a synchrotron radiation electronic circular dichroism spectrophotometer to support the re-evaluation of chiral biomarkers of extra-terrestrial origin in the context of absolute photochirogenesis. We found that irradiation by CPL which would yield l-excess in amino acids would also yield l-excess in aliphatic chain HCAs, including lactic acid and mandelic acid, in the examined conditions. Only tartaric acid would show “unnatural” d-enrichment, which makes it a suitable target compound for further assessing the relevance of the CPL scenario.

The infrared spectra of some aliphatic monocarboxylic acids in the 700-350 cm−1 region

1964 ◽  
Vol 20 (4) ◽  
pp. 685-693 ◽  
Author(s):  
F.F. Bentley ◽  
M.T. Ryan ◽  
J.E. Katon
Keyword(s):  
Infrared Spectra ◽  
Monocarboxylic Acids

scholarly journals The Uptake of Monocarboxylic Acids by Rat Diaphragm

1961 ◽  
Vol 236 (4) ◽  
pp. 1019-1022
Author(s):  
Ernest C. Foulkes ◽  
C.M. Paine
Keyword(s):  
Rat Diaphragm ◽  
Monocarboxylic Acids

Composite method for precise freeform optical beam shaping

2015 ◽  
Vol 54 (31) ◽  
pp. 9364 ◽  
Author(s):  
Zexin Feng ◽  
Brittany D. Froese ◽  
Rongguang Liang
Keyword(s):  
Beam Shaping ◽  
Optical Beam ◽  
Composite Method

Gold-catalyzed synthesis of dicarboxylic and monocarboxylic acids

2012 ◽  
Vol 114 (11) ◽  
pp. 1327-1332 ◽  
Author(s):  
Anna Kulik ◽  
Alexander Janz ◽  
Marga-Martina Pohl ◽  
Andreas Martin ◽  
Angela Köckritz
Keyword(s):  
Monocarboxylic Acids
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