(R)-Cy-BINAP

Name: (R)-Cy-BINAP
Brand: ChemScene
Availability: InStock
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CAS No. 139139-92-7
Cat. No. CS-0146765
Molecule weight646.86
Purity≥98%
MDL No.None

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Type	HazMat Fee
Excepted Quantity	$0.00
FedEx Limited Quantities Ground	$0.00
Hazmat Ground shipping	$50.00+
Inaccessible (Haz class 6.1 or 9), Domestic	$68.00+
Accessible (Haz class 3, 4, 5 or 8), Domestic	$158.00+
Inaccessible (Haz class 6.1 or 9), International	$108.00+
Accessible (Haz class 3, 4, 5 or 8), International	$238.00+

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Structure of 139139-92-7

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General Information

CAS No. 139139-92-7
Cat. No. CS-0146765
Purity ≥98%
MDL No. None
Storage 4°C, protect from light, stored under nitrogen
Shipping Room temperature in continental US; may vary elsewhere.
Molecular Formula C₄₄H₅₆P₂
Molecular Weight 646.86
Synonym(s) Phosphine, 1,1'-[(1R)-[1,1'-binaphthalene]-2,2'-diyl]bis[1,1-dicyclohexyl-
SMILES C1(C=CC=C2)=C2C(C3=C(C=CC=C4)C4=CC=C3P(C5CCCCC5)C6CCCCC6)=C(P(C7CCCCC7)C8CCCCC8)C=C1

Description

(R)-Cy-BINAP features a chiral bisphosphine scaffold with cyclohexyl substituents that enhance steric bulk and solubility in organic media. This configuration delivers high enantioselectivity in transition-metal-catalyzed asymmetric transformations, particularly in palladium- and rhodium-mediated cross-coupling reactions. The robust ligand structure ensures stability under standard reaction conditions.

Application

(R)-Cy-BINAP serves as a highly effective chiral ligand in transition metal-catalyzed asymmetric synthesis, particularly in palladium- and rhodium-catalyzed reactions. Its cyclohexyl substituents enhance steric bulk and electronic tuning, improving enantioselectivity in hydrogenation and cross-coupling processes. The ligand exhibits excellent bench stability, facile handling, and consistent performance across diverse substrates, making it a reliable choice for scalable, stereocontrolled transformations in pharmaceutical and fine chemical synthesis.

Safety Information

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GHS Pictogram :	GHS No : GHS07
Signal Word : Warning	UN#: N/A
Class : N/A	Packing Group : N/A
Hazard Statements : H315-H319
Precautionary Statements : P264-P280-P302+P352-P362+P364

Quality Control

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Computational Chemistry Data

TPSA 0
LogP 13.2052
H_Acceptors 0
H_Donors 0
Rotatable_Bonds 7

Key Words

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(R)-Cy-BINAP

CAS No. 139139-92-7

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