Main > ORGANIC CHEMICALS > Chiral Organics > BromoFluoroCarbons. > DiBromoHexaFluoroPropane. > 1,2-DiBromoHexaFluoroPropane > (S)-1,2-DiBromoHexaFluoroPropane. > Crystallizes in 100% ee. from Soln > Racemate & (-)-Sparteine.HBr. > Halogen Bond Interaction. > Single-Crystal X-Ray Studies

Product Italy. P

STUDY (S)-1,2-Dibromohexafluoropropane crystallizes in 100% enantiomeric excess from a solution of racemate with (-)-sparteine hydrobromide, according to single-crystal X-ray studies. The Milan workers suggest that the interaction between the compounds is through a "halogen bond," analogous to a hydrogen bond, in which the electron-rich bromide ion associated with the alkaloid donates electrons to the electron-poor bromine atoms covalently bound in a highly fluorinated environment.
UPDATE 08.99
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