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The synthesis of secondary amides from readily accessible and bench-stable substituted S-phenyl thiocarbamates and Grignard reactants is reported. Oxidative workup allows recycling of the thiolate leaving group as diphenyl disulfide. Diphenyl disulfide can be transformed into S-phenyl benzenethiosulfonate, a reactant required for thiocarbamate synthesis. This amide synthesis is suitable for the preparation of challenging amides that are not or hardly accessible via classical approaches.
This article was published in the following journal.
Name: Organic letters
A procedure on palladium-catalyzed selective aminocarbonylation of styrenes with nitroarenes for the synthesis of α,β-unsaturated amides has been developed. A range of substituted α,β-unsaturated ...
We report the first direct, iridium-catalyzed reductive functionalization of secondary amides to give functionalized amines and heterocycles. The method is shown to have exceptionally broad scope with...
An iridium-catalyzed reductive nucleophilic addition to secondary amides is reported. After the iridium-catalyzed reduction, the resulting imines can undergo the Strecker reaction, the Mannich reactio...
Dehydrogenative annulation under oxidizing reagent-free conditions is an ideal strategy to construct cyclic structures. Herein we report an unprecedented method for the synthesis of pyrrolidine and te...
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 dev...
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Collagen synthesis is depressed systemically in the immediate postoperative period. Arginine, zinc and vitamin C impact collagen synthesis. The aim of this study is to investigate the eff...
The present proposal is designed to examine the effect of carbohydrate and protein co-ingestion on muscle protein synthesis during endurance type exercise activities. We hypothesize that m...
The aim of the present study is to investigate the effect of added protein+leucine or caffeine to 1.2 g/kg/h CHO on the rate of post-exercise muscle glycogen re-synthesis in healthy, recre...
The primary purpose of the study is to evaluate the therapeutic efficacy and safety of cholic acid in subjects with identified inborn errors of bile acid synthesis.
Organic compounds containing the -CO-NH2 radical. Amides are derived from acids by replacement of -OH by -NH2 or from ammonia by the replacement of H by an acyl group. (From Grant & Hackh's Chemical Dictionary, 5th ed)
Carbamates in which the -CO- group has been replaced by a -CS- group.
Decalcification of bone or abnormal bone development due to chronic KIDNEY DISEASES, in which 1,25-DIHYDROXYVITAMIN D3 synthesis by the kidneys is impaired, leading to reduced negative feedback on PARATHYROID HORMONE. The resulting SECONDARY HYPERPARATHYROIDISM eventually leads to bone disorders.
Ketonic amines prepared from the condensation of a ketone with formaldehyde and ammonia or a primary or secondary amine. A Mannich base can act as the equivalent of an alpha,beta unsaturated ketone in synthesis or can be reduced to form physiologically active amino alcohols.
BENZOIC ACID amides.