(S,S)-Bn-Pybox

Name: (S,S)-Bn-Pybox
Brand: ChemScene
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CAS No. 151670-69-8
Cat. No. CS-0064046
Molecule weight397.47
Purity≥97%
MDL No.MFCD23704921

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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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General Information

CAS No. 151670-69-8
Cat. No. CS-0064046
Purity ≥97%
MDL No. MFCD23704921
Storage -20°C
Shipping Room temperature in continental US; may vary elsewhere.
Molecular Formula C₂₅H₂₃N₃O₂
Molecular Weight 397.47
Synonym(s) 2,6-Bis[(4S)-benzyl-2-oxazolin-2-yl]pyridine
SMILES C1(C2=N[C@@H](CC3=CC=CC=C3)CO2)=CC=CC(C4=N[C@@H](CC5=CC=CC=C5)CO4)=N1

Description

(S,S)-Bn-Pybox is a chiral bis(oxazoline) ligand featuring benzyl-protected pyridine rings, enabling high enantioselectivity in transition metal-catalyzed asymmetric reactions. This bench-stable, moisture-tolerant complex integrates seamlessly into catalytic systems for stereoselective C–C and C–heteroatom bond formations.

Application

(S,S)-Bn-Pybox serves as a highly effective chiral ligand in asymmetric catalysis, enabling enantioselective transformations such as allylic alkylation and cyclopropanation. Its benzyl-protected pyridine backbone provides excellent bench stability and facilitates easy purification. The ligand exhibits robust performance across diverse transition metal systems, particularly with palladium and copper, offering high enantiomeric excesses in established synthetic protocols.

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 : H302-H315-H319-H335
Precautionary Statements : P261-P264-P270-P271-P280-P302+P352-P304+P340-P330-P362+P364-P405-P501

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Computational Chemistry Data

TPSA 56.07
LogP 3.8578
H_Acceptors 5
H_Donors 0
Rotatable_Bonds 6

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(S,S)-Bn-Pybox

CAS No. 151670-69-8

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