Results 321 to 330 of about 322,084 (409)

New Mexico Recovery Lags Amid Energy, Government Sector Weakness

, 2016
Roberto Coronado, Marycruz De León
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Hydrogen-bonded salt cocrystals of xenon difluoride and protonated perfluoroamides.

CrystEngComm
Uran E, Lozinšek M.
europepmc   +1 more source

Acyclic Twisted Amides

Chemical Reviews, 2021
In this contribution, we provide a comprehensive overview of acyclic twisted amides, covering the literature since 1993 (the year of the first recognized report on acyclic twisted amides) through June 2020.
Guangrong Meng, Jin Zhang, Michal Szostak   +2 more
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Flexible and Chemoselective Oxidation of Amides to α-Keto Amides and α-Hydroxy Amides

Journal of the American Chemical Society, 2017
A suite of flexible and chemoselective methods for the transition-metal-free oxidation of amides to α-keto amides and α-hydroxy amides is presented. These highly valuable motifs are accessed in good to excellent yields and stereoselectivities with high functional group tolerance.
Aurélien de la Torre, Daniel Kaiser, Nuno Maulide   +2 more
openaire   +4 more sources

Site-Selective Defluorinative sp3 C-H Alkylation of Secondary Amides.

Journal of the American Chemical Society, 2021
A site-selective defluorinative sp3 C-H alkylation of secondary amides that rapidly and reliably incorporates gem-difluoroalkene motifs into previously unfunctionalized sp3 sites is disclosed.
Wen‐Jun Yue, Craig S. Day, Rúben Martín   +2 more
semanticscholar   +1 more source

Hydroxycinnamate Amides: Intriguing Conjugates of Plant Protective Metabolites.

Trends in Plant Science, 2020
The syntheses of aromatic monoamines and aliphatic polyamines (PAs) are responsive to environmental stresses, with some modulating aspects of plant defense.
Dylan R. Zeiss, L. Piater, I. Dubery
semanticscholar   +1 more source

Amide–Amide Hydrogen Bonding. Semirubin Amides

Monatshefte für Chemie - Chemical Monthly, 2006
Semirubins are analogs for one-half of the bilirubin structure and capable of intramolecular hydrogen bonding. Semirubin amides of ammonia and primary amines are also capable of intramolecular hydrogen bonding. From a combination of spectroscopic methods (1H NMR, NOE, and VPO), the primary amide is found to engage very effectively in intramolecular ...
Nicholas T. Salzameda, David A. Lightner
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Manganese-Mediated Reductive Transamidation of Tertiary Amides with Nitroarenes

Journal of the American Chemical Society, 2018
Chi Wai Cheung, Jun-An Ma, Xile Hu
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Reversible Twisting of Primary Amides via Ground State N–C(O) Destabilization: Highly Twisted Rotationally Inverted Acyclic Amides

Journal of the American Chemical Society, 2018
Guangrong Meng, Shicheng Shi, Roger A Lalancette   +2 more
exaly   +2 more sources

Peptide amidation

Trends in Biochemical Sciences, 1991
Many hormones, neurotransmitters and growth factors are peptides that carry an amide group at their carboxyl terminus which is essential for their biological activity. The amide is formed by hydroxylation of an additional glycine residue present in the biosynthetic precursor and the hydroxyglycine derivative dissociates to form the peptide amide and ...
A F, Bradbury, D G, Smyth
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