Process for the preparation of alkanesulphonic acids

Details Process for the preparation of alkanesulphonic acids Process for the preparation of alkanesulphonic acids

1996-02-21

1997-12-16

Tsang, Cecilia

Chemistry: electrical and wave energy

Processes and products

Processes of treating materials by wave energy

20415741, 20415749, 2041575, 20415752, 2041576, 20415776, 20415778, C07B 3300

Patent

active

056988303

ABSTRACT:
The invention relates to the preparation of alkanesulphonic acids by photo-oxidation of dialkyl disulphides.
The procedure is carried out in solution in an alcohol using a light source irradiating between 200 and 320 nm.

REFERENCES:
patent: 2697722 (1954-12-01), Johnson et al.
patent: 3336210 (1967-08-01), Furrow
patent: 3337437 (1967-08-01), Furrow et al.
patent: 3392095 (1968-07-01), Dimond et al.
patent: 3457155 (1969-07-01), Rosinger
patent: 4643813 (1987-02-01), Sato et al.
J. Org. Chem. vol. 37, No. 22, 1972, R.W. Murray, et al., "Photosensitised oxidation of dialkly disulphides" p. 3519 Table I.
Murray et al., "Photosensitized Oxidation of Dialkyl disulfides." J. Org. Chem., vol. 37, No. 22 1972, pp. 3516-3520.

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