Oxalyl chloride → HCID 21069967, compound
Reaction equation
[CH3:1][S:2][CH2:3][CH2:4][O:5][CH:6]([CH3:10])[C:7]([OH:9])=[O:8].[C:11](Cl)(=O)C(Cl)=O>CO>[CH3:1][S:2][CH2:3][CH2:4][O:5][CH:6]([CH3:10])[C:7]([O:9][CH3:11])=[O:8]Participants
4
Reactant 2
Product 1
Reagents, catalysts & solvents 1
Procedure
Reaction of intermediate 9, 2-(2-(methylthio)ethoxy)propanoic acid, (13.70 g, 0.083 mol) with oxalyl chloride followed by reaction with methanol gave 14.27 g (96% yield) of the title ester as a clear oil; bp 55–60° C./0.3 torr (bulb to bulb distillation, air bath temperature). 1HNMR 400 MHz (CDCl3) δ ppm: 1.42 (3H, d, J=7.0 Hz, CH3), 2.15 (3H, s, SCH3), 2.71 (2H, t, J=6.8 Hz, CH2), 3.56 (1H, m, CH), 3.75 (3H, s, OCH3), 3.78 (1H, m, CH), 4.15 (1H, q, J=7.0 Hz, OCH).
Sources & evidence
- ORD record
- ord-041bdc13666a4552b946fd03dd212cad
- Source dataset
- uspto-grants-2007_01
- Patent number
- US07157447B2
Reaction notes
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