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Showing 1 to 12 of 23 entries
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Formation of Negative Ions upon Dissociative Electron Attachment to the Astrochemically Relevant Molecule Aminoacetonitrile.

The journal of physical chemistry. A

Pelc A, Huber SE, Matias C, Czupyt Z, Denifl S.
PMID: 26810336
J Phys Chem A. 2016 Feb 18;120(6):903-10. doi: 10.1021/acs.jpca.5b09657. Epub 2016 Feb 08.

Aminoacetonitrile (NH2CH2CN, AAN) is a molecule relevant for interstellar chemistry and the chemical evolution of life. It is a very important molecule in the Strecker diagram explaining the formation of amino acids. In the present investigation, dissociative electron attachment...

Stereoselective Synthesis of Highly Functionalized Cyclopropanes. Application to the Asymmetric Synthesis of (1S,2S)-2,3-Methanoamino Acids.

The Journal of organic chemistry

Dorizon P, Su G, Ludvig G, Nikitina L, Paugam R, Ollivier J, Salaün J.
PMID: 11674544
J Org Chem. 1999 Jun 25;64(13):4712-4724. doi: 10.1021/jo982528g.

One-pot palladium(0)-catalyzed alkylation and S(N)(') cyclization of 1,4-dichlorobut-2-ene 1 by the anion of alpha-substituted carbonitriles 2a-d can provide highly functionalized cyclopropanes (E)-4a-d, diastereoselectivity, (de 88-100%). Several attempts to achieve the asymmetric synthesis of the 1-amino-2-ethenylcyclopropanecarbonitrile (E)-9, by means of...

Photorespiratory Properties of Mesophyll Protoplasts of Nicotiana plumbaginifolia.

Plant physiology

Rey P, Peltier G.
PMID: 16666618
Plant Physiol. 1989 Mar;89(3):762-7. doi: 10.1104/pp.89.3.762.

The photorespiratory activity of mesophyll protoplasts of Nicotiana plumbaginifolia has been clearly demonstrated by the presence of a Warburg-effect, the occurrence of an important CO(2)-sensitive O(2) uptake and the effect of some photorespiratory inhibitors on photosynthetic activity. At a...

Reduced Apparent Photorespiration by the C(3)-C(4) Intermediate Species, Moricandia arvensis and Panicum milioides.

Plant physiology

Holbrook GP, Jordan DB, Chollet R.
PMID: 16664101
Plant Physiol. 1985 Mar;77(3):578-83. doi: 10.1104/pp.77.3.578.

The CO(2)/O(2) specificity factor of sucrose gradient purified ribulose 1,5-bisphosphate carboxylase/oxygenase from the C(3)-C(4) intermediate plants Moricandia arvensis (79 +/- 1) and Panicum milioides (89 +/- 2) was similar to the respective values of the enzyme from the closely...

Evaluation of dose-response curve analysis in delineating shared or different molecular sites of action for osteolathyrogens.

Environmental toxicology and pharmacology

Dawson DA, Scott BD, Ellenberger MJ, Pöch G, Rinaldi AC.
PMID: 21782690
Environ Toxicol Pharmacol. 2004 Mar;16(1):13-23. doi: 10.1016/j.etap.2003.08.002.

Single-chemical and mixture concentration-response curves generated using a frog embryo model were examined for value in assessing whether chemicals exert toxic effects at the same or at different molecular sites of action. Toxicity tests were conducted on a series...

Controllable access to multi-substituted imidazoles via palladium(ii)-catalyzed C-C coupling and C-N condensation cascade reactions.

Chemical communications (Cambridge, England)

Yu H, Xiao L, Yang X, Shao L.
PMID: 28812073
Chem Commun (Camb). 2017 Aug 29;53(70):9745-9748. doi: 10.1039/c7cc05315k.

A novel and efficient protocol for the synthesis of various 2,4-disubstituted, 1,2,4-trisubstituted and 1,2,4,5-tetra-substituted imidazoles via cascade palladium catalyzed C-C coupling followed by intramolecular C-N bond formation was developed. Readily accessible boronic acids and N-substituted-2-aminoacetonitriles were firstly reported as...

Cyanation of Phenol Derivatives with Aminoacetonitriles by Nickel Catalysis.

Organic letters

Takise R, Itami K, Yamaguchi J.
PMID: 27518123
Org Lett. 2016 Sep 02;18(17):4428-31. doi: 10.1021/acs.orglett.6b02265. Epub 2016 Aug 12.

Generation of useful arylnitrile structures from simple aromatic feedstock chemicals represents a fundamentally important reaction in chemical synthesis. The first nickel-catalyzed cyanation of phenol derivatives with metal-free cyanating agents, aminoacetonitriles, is described. A nickel-based catalytic system consisting of a...

Glycolate Metabolism and Excretion by Chlamydomonas reinhardtii.

Plant physiology

Moroney JV, Wilson BJ, Tolbert NE.
PMID: 16665116
Plant Physiol. 1986 Nov;82(3):821-6. doi: 10.1104/pp.82.3.821.

The flux of glycolate through the C(2) pathway in Chlamydomonas reinhardtii was estimated after inhibition of the pathway with aminooxyacetate (AOA) or aminoacetonitrile (AAN) by measurement of the accumulation of glycolate and glycine. Cells grown photoautotrophically in air excreted...

Light regulation of leaf mitochondrial pyruvate dehydrogenase complex : role of photorespiratory carbon metabolism.

Plant physiology

Gemel J, Randall DD.
PMID: 16653075
Plant Physiol. 1992 Oct;100(2):908-14. doi: 10.1104/pp.100.2.908.

Light-dependent inactivation of mitochondrial pyruvate dehydrogenase complex (mtPDC) in pea (Pisum sativum L.) leaves was further characterized, and this phenomenon was extended to several monocot and dicot species. The light-dependent inactivation of mtPDC in vivo was rapidly reversed in...

Effects of CO(2)-Enrichment and of Aminoacetonitrile on Growth and Photosynthesis of Photoautotrophic Calli of Nicotiana plumbaginifolia.

Plant physiology

Rey P, Eymery F, Peltier G.
PMID: 16667501
Plant Physiol. 1990 Jun;93(2):549-54. doi: 10.1104/pp.93.2.549.

Photoautotrophic calli of Nicotiana plumbaginifolia were grown for 3 weeks under two CO(2) concentrations (500 and 20,000 microliters of CO(2) per liter). Calli cultured at high CO(2) exhibited a two-fold higher rate of growth. At CO(2) test levels, these...

Influence of Photorespiration on ATP/ADP Ratios in the Chloroplasts, Mitochondria, and Cytosol, Studied by Rapid Fractionation of Barley (Hordeum vulgare) Protoplasts.

Plant physiology

Gardeström P, Wigge B.
PMID: 16666282
Plant Physiol. 1988 Sep;88(1):69-76. doi: 10.1104/pp.88.1.69.

Using the principle described by R McC Lilley, M Stitt, G Mader, HW Heldt (1982 Plant Physiol 70: 965-970), an apparatus for rapid fractionation of barley leaf (Hordeum vulgare) protoplasts by membrane filtration was built. From studies of ATP/ADP...

Synthesis of α-aryl esters and nitriles: deaminative coupling of α-aminoesters and α-aminoacetonitriles with arylboronic acids.

Angewandte Chemie (International ed. in English)

Wu G, Deng Y, Wu C, Zhang Y, Wang J.
PMID: 25115858
Angew Chem Int Ed Engl. 2014 Sep 22;53(39):10510-4. doi: 10.1002/anie.201406765. Epub 2014 Aug 12.

Transition-metal-free synthesis of α-aryl esters and nitriles using arylboronic acids with α-aminoesters and α-aminoacetonitriles, respectively, as the starting materials has been developed. The reaction represents a rare case of converting C(sp(3))-N bonds into C(sp(3))-C(sp(2)) bonds. The reaction conditions are...

Showing 1 to 12 of 23 entries