The halogen bond occurs when there is evidence of a net attractive interaction between an electrophilic region associated with a halogen atom in a molecular entity and a nucleophilic region in another, or the same, molecular entity. In this fairly extensive review, after a brief history of the interaction, we will provide the reader with a snapshot of where the research on the halogen bond is now, and, perhaps, where it is going. The specific advantages brought up by a design based on the use of the halogen bond will be demonstrated in quite different fields spanning from material sciences to biomolecular recognition and drug design.

The Halogen Bond

The present invention relates to compositions for use in refrigeration, air- conditioning, and heat pump systems wherein the composition comprises a fluoroolefin and at least one other component. The compositions of the present invention are useful in processes for producing cooling or heat, as heat transfer fluids, foam blowing agents, aerosol propellants, and fire suppression and fire extinguishing agents.

Compositions comprising a fluoroolefin

Fluorinated organometallics: Perfluoroalkyl and functionalized perfluoroalkyl organometallic reagents in organic synthesis

Disclosed is a method for producing fluorinated organic compounds, including petnafluoropropenes, which preferably comprises converting at least one compound of formula (I): CFnXmCFaXbCH2X (I) to at least one compound of formula (II) CF3CF═CHF (II) where each X is independently Cl, I or Br; n is 2 or 3; m is 0 or 1, a is 1 or 2, b is 0 or 1, m+n=3 and a+b=2.

Method For Producing Fluorinated Organic Compounds

The present invention relates to fluoroolefin compositions. The fluoroolefin compositions of the present invention are useful as refrigerants or heat transfer fluids and in processes for producing cooling or heat. Additionally, the fluoroolefin compositions of the present invention may be used to replace currently used refrigerant or heat transfer fluid compositions that have higher global warming potential.

Compositions comprising fluoroolefins and uses thereof

The acidic properties of fluorine-containing alcohols, hydroxylamines and oximes

Reactions of fluoro olefins: Communication 13. Catalytic hydrogenation of perfluoro olefins

Fluorinated (β)-sultones are formed on addition of sulfur trioxide to fluorinated olefins. Tetrafluoroethanesultone has been studied particularly thoroughly. The title compounds are characterized by the ease with which they undergo ring cleavage to give, e.g., derivatives of α-sulfo carboxylic acids, of sulfonic acids, of carboxylic acids, and of sulfuric acid. Fluorinated compounds of this type containing an α-hydrogen atom are especially valuable in preparative work.

I. L. Knunyants

Papers

The acidic properties of fluorine-containing alcohols, hydroxylamines and oximes

Reactions of fluoro olefins: Communication 13. Catalytic hydrogenation of perfluoro olefins

Fluorinated β-Sultones

Reactions of the Carbonyl Group in Fluorinated Ketones

Reaction of perfluoroalkyl carbanions with mercury salts