- Method for the synthesis of amides and related products from esters or ester-like compounds
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A versatile, eco-friendly, and efficient method for the convenient conversion of esters and ester-like compounds into amides, peptides, carbamates, ureas, oxamides, oxamates, hydrazides, oxazolidinones, pyrazolones, oxazolidinediones, barbituric acids, and other molecules containing one or more OCN moieties in the presence of a diol or polyol is disclosed.
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Page/Page column 12
(2008/06/13)
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- New Non-ionic Polyol Derivatives with Sucrose Mimetic Properties
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New tris(hydroxymethyl)amidomethane and other non-ionic polyols derived from Cannizzaro condensations are reported, which feature molecular masses and carbon atom to hydroxy group ratios similar to those of sucrose; these materials are (in vitro) non-fermentable and accurately reproduce the non-gustatory properties of sucrose, which renders them useful as sugar macronutrient substitutes in low-calorie formulated foods.
- DuBois, Grant E.,Zhi, Benxin,Roy, Glenn M.,Stevens, Shawn Y.,Yalpani, Manssur
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p. 1604 - 1605
(2007/10/02)
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- Chemical process for the preparation of oxamide derivatives and compounds prepared thereby
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A process is described for the preparation of oxamide derivatives wherein one or both --NH2 groups are replaced by primary or secondary amino groups, through reaction of oxamide with a suitably selected amine of formula RR1 NH wherein R represents a substituted straight or branched (C2 -C12)alkyl radical wherein the substituent(s) or at least one of the substituents is selected from the group consisting of hydroxy, amino, mono-substituted amino, and di-substituted amino, and R1 represents hydrogen or an optionally substituted (C1 -C6)alkyl radical; representative oxamide derivatives which can thus be obtained useful as corrosion inhibitors, intermediates for polymers, polymer stabilizers, and slow-release fertilizers, are also described.
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