(Ra,S,S)-SpiroBOX

Name: (Ra,S,S)-SpiroBOX
Brand: ChemScene
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CAS No. 890090-21-8
Cat. No. CS-0037007
Purity≥95%
MDL No.MFCD17018766

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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 890090-21-8

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Description

(Ra,S,S)-SpiroBOX is a chiral ligand featuring a spirocyclic architecture that enhances stereocontrol in asymmetric catalysis. This rigid, electron-rich scaffold enables high enantioselectivity in transition-metal-catalyzed transformations, particularly in reactions involving palladium and copper. Its bench-stable nature and predictable stereochemical delivery make it ideal for reproducible synthesis of complex chiral molecules under standard conditions.

Application

(Ra,S,S)-SpiroBOX serves as a highly effective chiral ligand in asymmetric catalysis, enabling enantioselective transformations through well-established coordination modes with transition metals. Its rigid spirocyclic architecture enhances stereocontrol and provides excellent bench stability, facilitating reproducible results in synthetic workflows. The ligand demonstrates broad functional group tolerance and is particularly valuable in asymmetric synthesis of pharmaceutical intermediates and complex heterocyclic scaffolds.

General Information

CAS No. 890090-21-8
Cat. No. CS-0037007
Purity ≥95%
MDL No. MFCD17018766
Storage -20°C
Shipping Room temperature in continental US; may vary elsewhere.
Molecular Formula C₃₅H₃₀N₂O₂
Molecular Weight 510.62
Synonym(s) (R)-7,7-Bis[(4S)-(phenyl)oxazol-2-yl)]-2,2,3,3-tetrahydro-1,1-spirobiindane
SMILES C12=CC=CC(C3=N[C@H](C4=CC=CC=C4)CO3)=C1[C@@]5(CCC6=C5C(C7=N[C@H](C8=CC=CC=C8)CO7)=CC=C6)CC2

Computational Chemistry Data

TPSA 43.18
LogP 6.9013
H_Acceptors 4
H_Donors 0
Rotatable_Bonds 4

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-P305+P351+P338-P330-P362+P364-P403+P233-P405-P501

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(Ra,S,S)-SpiroBOX

CAS No. 890090-21-8

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