rac-BINAP is a racemic mixture of (R)-BINAP and (S)-BINAP. rac-BINAP is commonly used as a bidentate phosphine ligand in palladium catalyzed cross-coupling reactions.
CAS Number: 98327-87-8
Molecular Weight: 622.69 g/mol
Appearance: Off-white to while solid powder
Melting Point: 283-286 C
BINAP is prepared from BINOL via its bistriflate derivatives. Both the (R)- and (S)-enantiomers, as well as the racemate, are commercially available. One of the wide applications include chemoselective hydrogenation, where BINAP is conjugated to rhodium.
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