Montmorillonite‐K10‐Catalyzed Microwave‐Assisted Direct Amidation of Unactivated Carboxylic Acids with Amines: Maintaining Chiral Integrity of Substrates
Sign Up to like & getrecommendations! Published in 2017 at "Asian Journal of Organic Chemistry"
DOI: 10.1002/ajoc.201600590
Abstract: A microwave assisted, selective and green methodology has been developed for the direct amidation of carboxylic acids with amines using montmorillonite K10 as a heterogeneous catalyst. This is the first report for transition metal free,… read more here.
Keywords: acids amines; carboxylic acids; microwave assisted; direct amidation ... See more keywords
Amide Synthesis from Thiocarboxylic Acids and Amines by Spontaneous Reaction and Electrosynthesis.
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DOI: 10.1002/cssc.201900814
Abstract: Amide bond formation is one of the most important basic reactions in chemistry. A catalyst-free approach for constructing amide bonds from thiocarboxylic acids and amines was developed. The mechanistic studies showed that the disulfide was… read more here.
Keywords: acids amines; thiocarboxylic acids; chemistry; synthesis thiocarboxylic ... See more keywords
Synthesis of benzamides through direct condensation of carboxylic acids and amines in the presence of diatomite earth@IL/ZrCl4 under ultrasonic irradiation
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DOI: 10.1007/s11164-018-3592-9
Abstract: A green, rapid, mild and highly efficient pathway for the preparation of benzamide derivatives is reported. The reaction was performed through direct condensation of benzoic acids and amines under ultrasonic irradiation in the presence of… read more here.
Keywords: diatomite earth; direct condensation; acids amines; ultrasonic irradiation ... See more keywords
New carborane-containing acids and amines
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DOI: 10.1007/s11172-017-1936-z
Abstract: Alkylation of nido-carborane methyl sulfide derivative [9-MeS-7,8-C2B9H11]– was used to synthesize a series of new carborane-containing acids 9-HOOC(CH2)n(Me)S-7,8-C2B9H11 (n = 1—4) and amines 9-H2N(CH2)n(Me)S-7,8-C2B9H11 (n = 2, 3). The compounds obtained can be used for… read more here.
Keywords: carborane containing; new carborane; acids amines; containing acids ... See more keywords
Reactions of sulfenic acids with amines, thiols, and thiolates studied by quantum chemical calculations
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DOI: 10.1016/j.comptc.2020.112979
Abstract: Abstract Biological sensor molecules for oxidative stress often rely on the oxidation of thiols to sulfenic acid intermediates. How this transformation induces a physiological response often relies on the fate of sulfenic acid. Sulfenic acids… read more here.
Keywords: acids amines; amines thiols; reactions sulfenic; thiols thiolates ... See more keywords
Diboron-Catalyzed Dehydrative Amidation of Aromatic Carboxylic Acids with Amines.
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DOI: 10.1021/acs.orglett.8b01480
Abstract: Tetrakis(dimethylamido)diboron and tetrahydroxydiboron are herein reported as new catalysts for the synthesis of aryl amides by catalytic condensation of aromatic carboxylic acids with amines. The developed protocol is both simple and highly efficient over a… read more here.
Keywords: acids amines; dehydrative amidation; carboxylic acids; diboron catalyzed ... See more keywords
Rapamycin Improves Recognition Memory and Normalizes Amino-Acids and Amines Levels in the Hippocampal Dentate Gyrus in Adult Rats Exposed to Ethanol during the Neonatal Period
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DOI: 10.3390/biom11030362
Abstract: The mammalian target of rapamycin (mTOR), a serine/ threonine kinase, is implicated in synaptic plasticity by controlling protein synthesis. Research suggests that ethanol exposure during pregnancy alters the mTOR signaling pathway in the fetal hippocampus.… read more here.
Keywords: recognition memory; acids amines; amino acids; ethanol ... See more keywords