(S)-2-Methyl-CBS-oxazaborolidine, 1M soln. in toluene

Description

CAS: 112022-81-8 | C18H20BNO | 277.17 g/mol

(S)-2-Methyl-CBS-oxazaborolidine is used as an oxazaborolidine catalyst. It is also employed in the asymmetric reduction of prochiral ketones. Other applications include the enantioselective synthesis of α-hydroxy acids, α-amino acids, C2-symmetrical ferrocenyl diols and propargyl alcohols. It is an anhydrous catalyst for CBS reduction reaction.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Applications
(S)-2-Methyl-CBS-oxazaborolidine is used as an oxazaborolidine catalyst. It is also employed in the asymmetric reduction of prochiral ketones. Other applications include the enantioselective synthesis of α-hydroxy acids, α-amino acids, C2-symmetrical ferrocenyl diols and propargyl alcohols. It is an anhydrous catalyst for ′CBS′ reduction reaction.

Solubility
Hydrolyzes in water.

Notes
Store in cool place. Keep container tightly closed in a dry and well-ventilated place. Containers which are opened must be carefully resealed and kept upright to prevent leakage. Incompatible with oxidizing agents.

Specifications

Chemical Identifiers

• CAS: 112022-81-8
• Molecular Formula: C18H20BNO
• Molecular Weight (g/mol): 277.17
• MDL Number: MFCD00078439
• InChI Key: VMKAFJQFKBASMU-KRWDZBQOSA-N
• Synonym: s-2-methyl-cbs-oxazaborolidine, s-methyl oxazaborolidine, s---2-methyl-cbs-oxazaborolidine, s-5,5-diphenyl-2-methyl-3,4-propano-1,3,2-oxazaborolidine, corey catalyst, s-methyl-cbs-oxazaborolidine, s-3,3-diphenyl-1-methylpyrrolidino 1,2-c-1,3,2-oxazaborole, s-me-cbs catalyst, s-methyl-cbs, s-me-cbs
• PubChem CID: 2734713
• IUPAC Name: (3aS)-1-methyl-3,3-diphenyl-3a,4,5,6-tetrahydropyrrolo[1,2-c][1,3,2]oxazaborole
• SMILES: [H][C@@]12CCCN1B(C)OC2(C1=CC=CC=C1)C1=CC=CC=C1

• Density: 0.925
• Flash Point: 4°C (39°F)
• Quantity: 25 mL
• UN Number: UN1993
• Sensitivity: Air and moisture sensitive
• Solubility Information: Hydrolyzes in water.
• Formula Weight: 277.17
• Concentration or Composition (by Analyte or Components): 1M soln. in toluene
• Chemical Name or Material: (S)-2-Methyl-CBS-oxazaborolidine

Safety and Handling

Hazard Category	H225-H302-H304-H315-H318-H335-H336-H361d-H372
Hazard Statement	GHS H Statement H224-H304-H361-H373-H332-H315-H336 Extremely flammable liquid and vapor. May be fatal if swallowed and enters airways. Suspected of damaging fertility or the unborn child. May cause damage to organs through prolonged or repeated exposure. Harmful if inhaled. Causes skin irritation. May cause drowsiness or dizziness.
Precautionary Statement	P201-P202-P210-P233-P235-P240-P241-P242-P243-P260-P264b-P270-P271-P281-P301+P310-P303+P361+P353-P304+P340-P305+P351+P338-P308+P313-P310-P330-P331-P332+P313-P363-P370+P378q-P50
DOTInformation	Transport Hazard Class: 3; Packing Group: II; Proper Shipping Name: FLAMMABLE LIQUIDS, N.O.S.
TSCA	No
Recommended Storage	Ambient temperatures

SDS

RUO – Research Use Only