339997
(S)-(−)-Methyl p-tolyl sulfoxide
99%
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About This Item
Linear Formula:
CH3C6H4S(O)CH3
CAS Number:
Molecular Weight:
154.23
UNSPSC Code:
12191600
NACRES:
NA.22
PubChem Substance ID:
MDL number:
Beilstein/REAXYS Number:
2324696
Assay:
99%
Form:
solid
InChI
1S/C8H10OS/c1-7-3-5-8(6-4-7)10(2)9/h3-6H,1-2H3/t10-/m0/s1
SMILES string
Cc1ccc(cc1)S(C)=O
InChI key
FEVALTJSQBFLEU-JTQLQIEISA-N
assay
99%
form
solid
optical activity
[α]20/D −145°, c = 2 in acetone
optical purity
ee: 99% (HPLC)
mp
75-77 °C (lit.)
Quality Level
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Application
(S)-(-)-Methyl p-tolyl sulfoxide can be used as a nucleophilic reagent to synthesize:
- Optically active β-disulfoxides by reacting with arenesulfinic esters via formation of α-sulfinylcarbanion.
- α-substituted N-hydroxylamines by treating with nitrones via preparation of (S)-(-)-methyl p-tolyl sulfoxide anion.
- 2-O-benzyl-3,4-O-isopropylidene-L-erythrose by one-carbon homologation of 2,3-O-isopropylidene-L-glyceraldehyde.
Storage Class
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
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β -Disulfoxides. II. The Preparation of Some Optically Active β -Disulfoxides
Kunieda N, et al.
Bulletin of the Chemical Society of Japan, 49(1), 256-259 (1976)
A highly stereoselective synthesis of d-erythrose derivatives by one-carbon homologation of 2, 3-O-isopropylidene-d-glyceraldehyde with (R)-methyl p-tolyl sulfoxide.
Arroyo-Gomez Y, et al.
Tetrahedron Asymmetry, 11(3), 789-796 (2000)
The reaction of nitrones with (R)-(+)-methyl p-tolyl sulfoxide anion; asymmetric synthesis of optically active secondary amines.
Murahashi S-I, et al.
Tetrahedron Letters, 34(16), 2645-2648 (1993)
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