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405981

Sigma-Aldrich

2,2′-Methylenebis[(4R,5S)-4,5-diphenyl-2-oxazoline]

99%

Synonym(s):

(4R,5S,4′R,5′S)-2,2′-Methylenebis(4,5-diphenyl-2-oxazoline)

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About This Item

Empirical Formula (Hill Notation):
C31H26N2O2
CAS Number:
139021-82-2
Molecular Weight:
458.55
MDL number:
MFCD00192294
UNSPSC Code:
12352005
PubChem Substance ID:
24865345
NACRES:
NA.22

Assay

99%

mp

205-208 °C (lit.)

SMILES string

C(C1=N[C@@H]([C@@H](O1)c2ccccc2)c3ccccc3)C4=N[C@@H]([C@@H](O4)c5ccccc5)c6ccccc6

InChI

1S/C31H26N2O2/c1-5-13-22(14-6-1)28-30(24-17-9-3-10-18-24)34-26(32-28)21-27-33-29(23-15-7-2-8-16-23)31(35-27)25-19-11-4-12-20-25/h1-20,28-31H,21H2/t28-,29-,30+,31+/m1/s1

InChI key

BVEHHQYXICTXGR-VKONIRKNSA-N

Application

C2 symmetric ligand for enantioselective catalysis. Easily forms bidentate coordination complexes due to the strong affinity of the oxazoline nitrogen for various metals.

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H315,H319,H335

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Gant, T.G. Meyers, A.I.
Tetrahedron, 50, 2297-2297 (1994)
Bolm, C.
Angewandte Chemie (International Edition in English), 30, 542-542 (1991)
Pfaltz, A.
Accounts of Chemical Research, 26, 339-339 (1993)

Articles

C2-symmetric chiral bisoxazolines (BOX) ligands

BOX ligand complex enhances catalytic enantioselective aziridination of styrene, with phenyl substituents proving superior over t-Bu groups.

C2-symmetric chiral bisoxazolines (BOX) ligands

BOX ligand complex enhances catalytic enantioselective aziridination of styrene, with phenyl substituents proving superior over t-Bu groups.

C2-symmetric chiral bisoxazolines (BOX) ligands

BOX ligand complex enhances catalytic enantioselective aziridination of styrene, with phenyl substituents proving superior over t-Bu groups.

C2-symmetric chiral bisoxazolines (BOX) ligands

BOX ligand complex enhances catalytic enantioselective aziridination of styrene, with phenyl substituents proving superior over t-Bu groups.

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