R-(+)-2,2'-Bis(diphenylphosphino)-1,1'-binaphthyl CAS:76189-55-4

(R)-(+)-2,2'-Bis(diphenylphosphino)-1,1'-binaphthyl CAS:76189-55-4 is chiral ligand. It is widely used in asymmetric synthesis. It consists of a pair of 2-diphenylphosphinonaphthyl groups linked at the 1 and 1´ positions. This C2-symmetric framework lacks a stereogenic atom, but has axial chirality due to restricted rotation (atropisomerism). The barrier to racemization is high due to steric hindrance, which limits rotation about the bond linking the naphthyl rings. The dihedral angle is approximately 90˚. (R)-(+)-2,2'-Bis(diphenylphosphino)-1,1'-binaphthyl CAS:76189-55-4 could be supplied in different size with competitive price.
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Product Details

Name:(R)-(+)-2,2'-Bis(diphenylphosphino)-1,1'-binaphthyl

Other name:

(R)-(+)-BINAP

(R)-BINAP

R-BINAP

1,1'-Binaphthalene-2,2'-diylbis(diphenylphosphine)


CAS:76189-55-4

EINECS:616-304-7

MF:C44H32P2

MW:622.68

Appearance:White powder

MP:239-242℃

Purity:98%min

Package:25g, 100g, 500g, bulk package

Applications: Chiral auxiliary for asymmetric synthesis


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