2,3,4,5,6-Pentafluorophenol ，PENTAFLUOROPHENOL FOR SYNTHESIS

2,3,4,5,6-Pentafluorophenol ,PENTAFLUOROPHENOL FOR SYNTHESIS

C₆HF₅O

CAS NO.771-61-9

structural characteristics
Pentafluorophenol's fluorine atoms and hydroxyl groups increase the intermolecular interactions; higher temperatures are needed to break these forces and cause the molecules to melt or evaporate. Strong acid pentafluorophenol is considerably more acidic than phenol. This is because the hydroxyl group of it has five fluorine atoms on it, which facilitates the release of the hydroxyl group's proton. Because of its acidity, pentafluorophenol finds applications as a dehydrator, catalyst, and chemical intermediate.
Hydrogen bonding is one way that pentafluorophenol's hydroxyl groups interact with other compounds. Its physicochemical characteristics, like as solubility and boiling point, may be impacted by this action. Hydrogen bonding, however, also has significant uses in the domains of molecular self-assembly, molecular induction, and molecular recognition.

Method of Synthesis
There are six fluorine atoms in perfluorobenzene. The traditional technique for producing pentafluorophenol is the nucleophilic substitution reaction between sodium hydroxide and perfluorobenzene because the fluorine atom has strong electron-withdrawing characteristics and a certain propensity to escape.

utilization
The primary application of pentafluorophenol is the preparation of pentafluorophenyl active esters for peptide synthesis, which facilitates the creation of peptide bonds. Peptide bonds are formed extremely slowly by the reaction of alkyl esters containing activated carboxyl groups as protective groups for amino acids. There is more reactivity in the phenyl ester. Aminolysis proceeds at a rate akin to that of acid anhydride if the benzene ring has a significantly electronegative substituent.
Pentafluorophenol esters have been utilized extensively in peptide synthesis because one of the most crucial conditions for the creation of peptide bonds is an efficient reaction free of side reactions. Peptide synthesis can be carried out in liquid or solid phase using pentafluorophenol esters. Propargyl pentafluorophenol carbonate, for instance, is useful in the synthesis of polypeptides, including cyclic peptides.

Packing, Storage, Handling and Transportation

2,3,4,5,6-Pentafluorophenol should be stored at room temperature.

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