76-04-0 | Chlorodifluoroacetic acid

CAS:76-04-0 | Chlorodifluoroacetic acid ,Description

Chlorodifluoroacetic acid (CDFA) is an organic compound that is used in a variety of applications, including as a reagent in chemical synthesis and as a catalyst in various industrial processes. CDFA is a colorless liquid with a pungent odor and is a derivative of difluoroacetic acid. It is also known as trifluoroacetic acid chloride and is classified as a halogenated acetic acid. CDFA is a versatile compound that is used in many industries, including the pharmaceutical and agricultural sectors.
 

Scientific Research Applications

• Synthesis of Fluorine-containing Molecules: Chlorodifluoroacetic acid is considered a promising starting material for Reformatskii-type syntheses of fluorine-containing molecules. It extends the utility of bromodifluoroacetic acid in this regard (Lang & Schaub, 1988).
• Difluoromethylation of Thiols: A protocol using chlorodifluoroacetate effectively difluoromethylates thiols, including heterocyclic nitrogen compounds and phenylselenol. This method is versatile for thiol-based synthesis (Mehta & Greaney, 2013).
• Synthesis of Organometallic Compounds: The Reformatskii-Claisen reaction of allyl chlorodifluoroacetate, facilitated by silicon, produces valuable fluorine-containing synthetic building blocks. This method is significant for the synthesis of organozinc compounds (Greuter, Lang, & Romann, 1988).
• Environmental Studies: Chlorodifluoroacetic acid is a potential degradation product of fluorocarbons in precipitation. It shows a seasonal trend in the environment and is not acutely toxic to aquatic macrophytes at current concentrations (Martin et al., 2000).
• Source of Radicals in Organic Chemistry: Chlorodifluoroacetic acid is a convenient source of chlordifluoromethyl radicals, which are useful in synthesizing gem-difluoroalkenes, dienes, and (2,2-difluoroethyl)-indolines and indoles (Salomon & Zard, 2014).
• Chemical Properties and Measurements: Its acidic dissociation constants and thermodynamic properties, such as enthalpy and entropy changes, have been studied, providing insights into its chemical behavior (Gelb & Alper, 1998).
• Defluorination and Preparation of Esters: Chlorodifluoroacetic acid is used in the defluorination of chlorofluoroethers to chlorofluoroacetates, a practical method for preparing polyfluorinated esters (Quan, Tamura, Gao, & Sekiya, 2003).
• Biotransformation Studies: Chlorodifluoroacetic acid is relevant in studies of biotransformation, particularly in the context of glutathione transferase zeta-catalyzed reactions involving alpha-haloacids (Tong, Board, & Anders, 1998).

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