C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
260/367.5, 260/3
C07D 303/34 (2006.01) C07D 207/27 (2006.01) C07D 213/70 (2006.01) C07D 215/36 (2006.01) C07D 277/36 (2006.01) C07D 277/74 (2006.01) C07D 285/125 (2006.01) C07D 407/12 (2006.01) C10M 135/24 (2006.01) C10M 135/26 (2006.01) C10M 135/28 (2006.01) C10M 135/32 (2006.01) C10M 137/10 (2006.01)
Patent
CA 1261861
Case 3-15394/14990/CGM 300 PROCESS FOR PRODUCING GLYCIDYL THIOETHERS Abstract A process for producing glycidylthio ethers of the formula I Image (I) which process comprises reacting epichlorohydrin with a mercaptan of the formula II R-SH (II) in which R can be a radical Image wherein R1, R2 and R3 independently of one another are each C1-C18-alkyl, and together contain no more than 22 C atoms, and R2 and R3 are in addition hydrogen, or wherein R is C5-C6-cycloalkyl, phenyl or naphthyl unsubstituted or substituted by C1-C4-alkyl, or is benzyl or furfuryl, or wherein R is C2-C8-alkylene which is substituted by -SH and which can be interrupted by 1 or 2 ether-0 atoms, in an equimolar amount, without organic solvent and in the presence of a base, the reaction being performed by the phase-transfer catalysis process, wherein a phase-transfer catalyst is used, at a temperature of -30°C to +20°C. The glycidyl thioethers thus obtained are compounds that play an important part in the synthesis of organic sulfur compounds, which are used for example as lubricant additives.
485488
Friedrich Hans-Helmut
Wirth Hermann O.
Ciba Specialty Chemicals Holding Inc.
Fetherstonhaugh & Co.
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