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Inventor: Le Roy; Pierre
Address: Lyons, FR
No. of patents: 6
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 7553993 |
Process for the preparation of 2,6-dihalo-para-trifluoromethylaniline |
June 30, 2009 |
| Process for the preparation of a compound of general formula (I): ##STR00001## in which X represents a halogen atom, by reaction of para-trifluoromethylaniline of formula (II): ##STR00002## with a dihalogen X.sub.2, the two compounds being introduced simultaneously into a polar apr |
| 6509503 |
Process for preparing pesticidal intermediates |
January 21, 2003 |
| The invention relates to processes for the preparation of compounds of formula (I) wherein R.sup.1 and R.sup.2 each independently represent a halogen atom. |
| 5684206 |
.beta.-aminovinyl ketones, a preparation process and their use in the preparation of .beta.-dike |
November 4, 1997 |
| Novel .beta.-aminovinyl ketones of the general formula ##STR1## wherein R.sup.1 is, in particular, an alkenyl, alkynyl, cycloalkyl or cycloalkenyl group; R.sup.2 is, in particular, an electron-attracting substituent such as nitro, acyl, ester, alkylthio, carbamoyl, thiocarbamoyl |
| 5618945 |
Process for the sulfinylation of heterocyclic compounds |
April 8, 1997 |
| The invention relates to a novel process for the sulfinylation of heterocyclic compounds, which comprises reacting:a compound of the formula RS(O)X, in which R is a linear or branched alkyl group having from 1 to 4 carbon atoms, which is substituted with one or more identical or differen |
| 5116999 |
Process for the preparation of cyclic sulphates |
May 26, 1992 |
| Cyclic sulphates of formula: ##STR1## are prepared by oxidation of a cyclic sulphite of formula: ##STR2## with a hypohalite of an alkali or alkaline-earth metal and a catalytic quantity of a ruthernium derivative (RuO.sub.2, RuCl.sub.3). In formulae (I) and (II), R.sub.1, R.s |
| 4960904 |
Process for the preparation of cyclic sulphates |
October 2, 1990 |
| Cyclic sulphates of formula: ##STR1## are prepared by oxidation of a cyclic sulphite of formula: ##STR2## with a hypohalite of an alkali or alkaline-earth metal and a catalytic quantity of a ruthernium derivative (RuO.sub.2, RuCl.sub.3). In formulae (I) and (II), R.sub.1, R.s |
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