XIII.—The action of acid chlorides on thioureas
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histological evaluation of the effect of three medicaments; trichloracetic acid, formocresol and mineral trioxide aggregate on pulpotomized teeth of dogs
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15 صفحه اولReactions of Atomic Carbon with Acid Chlorides
1his thesis is the flfst report of reactions of atomic calbon with acid chlorides. Carbon is known to react with phosgene to afford dichlorocarbene. We report a similar reaction with carbon and acid ch~lorides, generating alkylchlorocarbenes. We examine both the nature of the carbene products generated through deoxygenation and the general reacliviry ofcarbon with the acid chlorides. We report ...
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Trialkylamine-mediated intramolecular cyclization of pent-4-enoyl chlorides was studied. Substitution with a tertiary alkyl group at the 2-position gave cyclopent-2-en-1-ones, while substitution with an aromatic group gave enol esters, which were formed by O-acylation of initially formed 3-chlorocyclopentanones with ketenes.
متن کاملTricomponent catalytic α,α-difluorination of acid chlorides.
The selective α,α-difluorination of carbonyl compounds remains a challenge in modern organic synthesis; current methods often incorporate stepwise processes and/or harsh conditions, providing unsatisfactory mixtures of mono- and difluorinated products. In this communication, a practical, mild, and one-pot method for the selective α,α-difluorination of readily available acid chlorides is reporte...
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The catalytic performance of various metal chlorides in the conversion of cellulose to levulinic acid in liquid water at high temperatures was investigated. The effects of reaction parameters on the yield of levulinic acid were also explored. The results showed that alkali and alkaline earth metal chlorides were not effective in conversion of cellulose, while transition metal chlorides, especia...
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ژورنال
عنوان ژورنال: J. Chem. Soc., Trans.
سال: 1907
ISSN: 0368-1645
DOI: 10.1039/ct9079100122