[B23785] CAS 76189-55-4 | (R)-(+)-2,2′-Bis(diphenylphosphino)-1,1′-binaphthyl, 98%

CAS : 76189-55-4
MDL : MFCD00010805

Other name :

(R)-(+)-BINAP

Chemical Properties

Formula : C44H32P2
Formula weight : 622.69
Melting Point : 239-241°
Sensitivity : Air Sensitive. Store under Nitrogen. Ambient temperatures.
Form : Crystalline powder
Solubility : Insoluble in water.

Literature References

Chiral chelating ligand which is the basis of a number of homogeneous catalysts which promote hydrogenation reactions with very high enantiomeric excesses. Rh complexes catalyze the asymmetric hydrogenation of ɑ-acylaminoacrylic acids: J. Am. Chem. Soc., 102, 7932 (1980), and the isomerization of allylamines to chiral enamines: J. Chem. Soc., Chem. Commun., 600 (1982); Synthesis, 665 (1991). Asymmetric hydrogenation of ß-keto esters is achieved with a Ru based catalyst: J. Org. Chem., 57, 6691 (1992). For preparation of a cycloocta-1,5-diene Rh complex and use in enantioselective hydrogenation reaction, see: Org. Synth. Coll., 8, 183 (1993). For a review of the use of Ru BINAP complexes in asymmetric hydrogenation, see: Acta Chem. Scand., 50, 380 (1996). Reviews: BINAP catalysis: Acc. Chem. Res., 23, 345 (1990); binaphthylic derivatives as chiral auxiliaries: Synthesis, 503 (1992); advances in biaryl-type biphosphne ligands: Tetrahedron, 61, 5405 (2005).

Notes

Air sensitive. Incompatible with oxidizing agents.Other References:Beilstein: 4914063Merck: 14,1223

Grade Specifications

Grade Specifications

Hazard Statements : H315-H319-H335Causes skin irritation.Causes serious eye irritation.May cause respiratory irritation.
Precautionary Statements : P261-P305+P351+P338-P302+P352-P321-P405-P501aAvoid breathing dust/fume/gas/mist/vapours/spray.IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.IF ON SKIN: Wash with plenty of soap and water.Specific treatment (see label).Store locked up.Dispose of contents/container in accordance with local/regional/national/international regulations.