C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
260/386.5, 260/4
C07C 309/72 (2006.01) C07B 45/02 (2006.01) C07C 323/66 (2006.01) C07D 213/55 (2006.01)
Patent
CA 1314890
Process for the preparation of benzoin sulfonates Abstract of the Disclosure Benzoin esters of aromatic sulfonic acids can be obtained in high yield from benzoin and the respective sulfonyl halide in molar amounts of a base by carrying out the reaction at low temperature in an organic solvent with the addition of water. Aqueous NaOH or KOH can be used as base in this process.
554098
Husler Rinaldo
Rutsch Werner
Ciba Specialty Chemicals Holding Inc.
Fetherstonhaugh & Co.
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