Method for sulphonylating a hydroxylated organic compound

Organic compounds -- part of the class 532-570 series – Organic compounds – Fatty compounds having an acid moiety which contains the...

Reexamination Certificate

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C560S070000, C560S070000, C560S070000, C570S123000, C570S127000, C570S134000

Reexamination Certificate

active

06992199

ABSTRACT:
The invention concerns a method for sulphonylating a hydroxylated organic compound. The invention concerns in particular aliphatic hydroxylated compounds and more particularly those which comprise on their aliphatic chain, an electroattractive group. The method for sulphonylating a hydroxylated organic compound is characterised in that it consists in reacting said compound, with a sulphonylating agent, in the presence of a sufficient amount of a Lewis acid.

REFERENCES:
patent: 0 200 657 (1986-11-01), None
WPIDS Abstr. of JP-51/55843, 1993.
D. Prescher, et al. “Various synthetic approaches to fluoroalkyl p-nitrophenyl ethers”-Journal of Fluorine Chemistry, vol. 79, No. 2, Aug. 1, 1996, pp. 145-148, XP004069916.
G.A.Glah, et al.: “Preparative carbocation chemistry; VIII. Isolation and sulphonylation ability of sluphonylhalide-antimony pentahalides complexes” No.: 5, (May 1974), pp. 342-343, XP002169199. The whole document.
G.A.Glah, et al.: Stable carbonium ionsCXVI. Sulphonylpentafluoride complexes and . . . Journal of Organic Chemestry, vol. 35, No. 11 (Nov. 1970), pp. 3925-3928, XP002169198. The whole document.
International Search Report.

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