(S)-SYNPHOS

Name: (S)-SYNPHOS
Brand: ChemScene
Availability: InStock
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CAS No. 503538-68-9
Cat. No. CS-0087076
Purity≥97%
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+

An item is classified as a dangerous good if our website displays Hazardous Material (HazMat) information for it.

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Structure of 503538-68-9

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Description

(S)-SYNPHOS is a chiral bisphosphine ligand featuring a rigid, electron-rich backbone that enables high enantioselectivity in palladium-catalyzed cross-coupling reactions. This bench-stable, moisture-tolerant ligand integrates seamlessly into asymmetric synthesis workflows, delivering consistent stereocontrol in the formation of complex C–C bonds under standard conditions.

Application

(S)-SYNPHOS is a chiral bisphosphine ligand that enables highly enantioselective transition-metal-catalyzed reactions, particularly in asymmetric hydrogenation and cross-coupling processes. Its robust structure ensures excellent bench stability and compatibility with diverse functional groups. The ligand facilitates efficient catalyst activation and delivers consistent stereocontrol across a broad range of substrates, making it a reliable choice for scalable synthesis of chiral intermediates in pharmaceutical and agrochemical development.

General Information

CAS No. 503538-68-9
Cat. No. CS-0087076
Purity ≥97%
MDL No. None
Storage 4°C, protect from light, stored under nitrogen
Shipping Room temperature in continental US; may vary elsewhere.
Molecular Formula C₄₀H₃₂O₄P₂
Molecular Weight 638.63
Synonym(s) R-(+)-6,6-Bis(Diphenylphosphino)-2,2,3,3-Tetrahydro-5,5-BI-1,4-Benzodioxin
SMILES C1([C@@]([C@@]2=C(OCCO3)C3=CC=C2P(C4=CC=CC=C4)C5=CC=CC=C5)=C(P(C6=CC=CC=C6)C7=CC=CC=C7)C=C8)=C8OCCO1

Computational Chemistry Data

TPSA 36.92
LogP 6.4124
H_Acceptors 4
H_Donors 0
Rotatable_Bonds 7

Safety Information

Download SDS

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-P280-P302+P352

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(S)-SYNPHOS

CAS No. 503538-68-9

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