1-arylsulphonyl-2-piperidinone derivatives, process and intermediates for the preparation thereof, their application as antispasmodics and compositions containing them

DETAILED DESCRIPTION What is claimed is: 1.
The compound of formula (I): ##STR11## in which R represents the radical ##STR12## in which R.
sub.
1 at any position on the benzene ring represents linear, branched or cyclic alkyl, alkenyl or alkynyl containing up to 8 carbon atoms, or the radical ##STR13## in which R.
sub.
2 and R.
sub.
3, which may be identical or different, represent hydrogen or linear alkyl, alkenyl or alkynyl containing up to 8 carbon atoms or form, together with the nitrogen atom to which they are attached, a piperidinyl or hexahydroazepinyl radical, or the radical OR', R' representing hydrogen, a linear, branched or cyclic alkyl containing up to 8 carbon atoms or aryl containing up to 14 carbon atoms, or the radical SR.
sub.
4 or S(O)R.
sub.
5, R.
sub.
4 and R.
sub.
5 representing linear, branched or cyclic alkyl, alkenyl, or alkynyl containing up to 8 carbon atoms, or R represents naphthyl optionally substituted with the radical R'.
sub.
1, R'.
sub.
1 being as defined above for R.
sub.
1.
2.
The compounds of formula (I) as defined in claim 1, in which R represents the radical ##STR14## R.
sub.
1 having the same means as in claim 1.
3.
The compounds of formula (I) as defined in claim 2, in which the radical R.
sub.
1 is at the 4-position.
4.
The compound of formula (I) ##STR15## in which R represents the radical ##STR16## in which R.
sub.
1 at any position on the benzene ring represents the radical ##STR17## in which R'.
sub.
2 and R'.
sub.
3, which may be identical or different, represent a linear or branched alkyl containing up to 8 carbon atoms or form, with the nitrogen atom to which they are attached, a piperidinyl or hexahydroazepinyl radical.
5.
The compounds of formula (I) as defined in claim 4, in which R'.
sub.
2 and R'.
sub.
3, which may be identical or different, represent alkyl containing up to 4 carbon atoms.
6.
The compounds of formula (I) as defined in claim 4, in which R.
sub.
1 represents a piperidinyl radical.
7.
The compounds of formula (I) as defined in claim 4, in which R.
sub.
1 represents a hexahydroazepinyl radical