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B23785 (R)-(+)-2,2'-Bis(diphenylphosphino)-1,1'-binaphthyl, 98%

CAS Number

Stock No. Size Price ($) Quantity Availability
B23785-MD 250mg 31.80
B23785-03 1g 81.30
B23785-06 5g 407.00
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(R)-(+)-2,2'-Bis(diphenylphosphino)-1,1'-binaphthyl, 98%


Chemical Properties

Formula Weight
Melting point
Storage & Sensitivity
Air Sensitive. Store under Nitrogen. Ambient temperatures.
Insoluble in water.


(R)-(+)-2,2'-Bis(diphenylphosphino)-1,1'-binaphthy is used as a chiral ligand for metal mediated asymmetric catalysis.


Air sensitive. Incompatible with oxidizing agents.

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).

Shuto, Y.; Yamamura, T.; Tanaka, S.; Yoshimura, M.; Kitamura, M. Asymmetric NaBH4 1,4-Reduction of C3-Disubstituted 2-Propenoates Catalyzed by a Diamidine Cobalt Complex. ChemCatChem 2015, 7 (10), 1547-1550.

Tani, Y.; Kuga, K.; Fujihara, T.; Terao, J.; Tsuji, Y. Copper-catalyzed C-C bond-forming transformation of CO2 to alcohol oxidation level: selective synthesis of homoallylic alcohols from allenes, CO2, and hydrosilanes. Chem. Commun. 2015, 51 (65), 13020-13023.

GHS Hazard and Precautionary Statements

Hazard Statements: H315-H319-H335

Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.

Precautionary Statements: P261-P264b-P271-P280-P302+P352-P304+P340-P305+P351+P338-P312-P332+P313-P362-P501c

Avoid breathing dust/fume/gas/mist/vapours/spray. Wash face, hands and any exposed skin thoroughly after handling Use only outdoors or in a well-ventilated area. Wear protective gloves/protective clothing/eye protection/face protection. IF ON SKIN: Wash with plenty of soap and water. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Call a POISON CENTER or doctor/physician if you feel unwell. If skin irritation occurs: Get medical advice/attention. Take off contaminated clothing and wash before reuse. Dispose of contents/ container to an approved waste disposal plant

Other References

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