Oxon Italia S.p.a.

Claudio Ornati

Edoardo Pallucca

Rita Fochi

Nello Ronchi

Gianni Carvoli

Daniele Tarallo

Mara Migliaccio

Sonia Gazzetto

Silvano Cadamuro

Anna Maria Serri

Jacopo Degani

Claudia Fenoglio

Process to prepare alkyl-ureas from O,S-dimethyl dithiocarbonate

A process to prepare alkansulphonamides of formula RSO.sub.2 NR.sup.1 R.sub.2 --wherein R is an alkyl group containing from 1 to 15 carbon atoms, or an alkyl group containing from 1 to 15 carbon atoms substituted by one or more chlorine or bromine atoms, and R.sup.1 and R.sup.2 are equal or different and may be hydrogen or an alkyl group containing from 1 to 15 carbon atoms--provides to treat an alkansulphonylhalide of formula RSO.sub.2 X--wherein X is chlorine, bromine or iodine--with a suitable quantity of a compound of formula NHR.sup.1 R.sup.2, using as solvent for said treatment an aliphatic nitrile.

Process to prepare alkansulphonamides

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Milan, Italy

Claudio Ornati