Patent ID: 6248899
Filing Date: 2001-06-19
Classification: B01J,C07C,C07D,C25B

Abstract:
A process for the preparation of a compound of formula X ##STR38##in whichR.sub.101 and R.sub.102 are identical or different and are H, alkyl having from 1 to 18 C atoms, phenyl, C.sub.1 -C.sub.4 alkyl-substituted phenyl, phenylalkyl having from 7 to 9 C atoms, C.sub.5 -C.sub.12 cycloalkyl, C.sub.1 -C.sub.4 alkyl-substituted C.sub.5 -C.sub.12 cycloalkyl or a radical ##STR39##R.sub.103 is H;R.sub.105 is H, Cl, --SO.sub.3 H or C.sub.1 -C.sub.4 alkyl;m is 0, 1, 2 or 3; andn is 1, 2, 3 or 4;where,when n=1,A is --OR.sub.104 ; andR.sub.104 is alkyl having from 2 to 45 C atoms, C.sub.2 -C.sub.45 alkyl interrupted by one or more oxygen, cycloalkyl having from 5 to 12 C atoms, alkenyl having from 2 to 18 C atoms, --CH.sub.2 CHOHCH.sub.2 OC(O)R.sub.109 or --CH.sub.2 CH.sub.2 --OR.sub.106 ; andR.sub.109 is H, alkyl having from 1 to 8 C atoms, alkenyl having from 3 to 6 C atoms or benyl; whereR.sub.106 is ##STR40##H, alkyl having from 1 to 24 C atoms, phenyl, cycloalkyl having from 5 to 12 C atoms or ##STR41##andR.sub.110 is H or --CH.sub.3 ;R.sub.111 is H or alkyl having from 1 to 24 C atoms; andR.sub.112 is H or --CH.sub.3, with the proviso that R.sub.110 and R.sub.112 are not simultaneously --CH.sub.3 ; or, when n=2,A is --O--C.sub.x H.sub.2x --O, --O--(CH.sub.2 CH.sub.2 O).sub.a CH.sub.2 CH.sub.2 O-- or --O--CH.sub.2.dbd.CHCH.sub.2 --O--; in whicha Is from 1 to 30; andx is from 2 to 20;or, when n=3,A is ##STR42##in whichR.sub.107 is alkyl having from 1 to 24 C atoms or phenyl,or, when n=4,A is ##STR43##by transesterification of the corresponding lower alkyl ester with a higher alcohol or polyolwhich comprisesreacting a compound of formula Xa ##STR44##where A is --O-methyl,with a higher alcohol or polyol of the formula(R.sub.104 --O).sub.n Hat a reduced pressure (3 mbar to 400 mnbar) and at a temperature of 80-200.degree. C. in the presence of an effective catalyzing amount of an immobilized in(IV) catalyst or mixture thereof obtained by reaction of a compound of formula (IIa) ##STR45##in whicht is 1, 2 or 3;u is 0, 1 or 2;v is 2,w is 1, 2 or 3;with the proviso that t+u+w=4;L is C.sub.1 -C.sub.18 alkylene, C.sub.2 -C.sub.18 alkenylene or phenylene;R.sub.1 are, independently of one another, C.sub.1 -C.sub.4 alkoxy, phenoxy, C.sub.1 -C.sub.4 alkyl, phenyl or halogen; andSupport is an inorganic material selected from the group consisting of SiO.sub.2, TiO.sub.2, ZrO.sub.2, MgO, NiO, WO.sub.3, Al.sub.2 O.sub.3, La.sub.2 O.sub.3, silica gels, clays and zeolite; with a compound of formula IIbSn(R.sub.2).sub.4 (IIb)whereinR.sub.2 are, independently of one another, C.sub.1 -C.sub.18 alkyl, substituted C.sub.1 -C.sub.18 alkyl, C.sub.2 -C.sub.18 alkenyl, C.sub.1 -C.sub.18 haloalkyl, C.sub.6 -C.sub.16 haloaryl, C.sub.3 -C.sub.3 -C.sub.16 haloheteroaryl C.sub.1 -C.sub.4 alkylphenyl, C.sub.1 -C.sub.4 alkoxyphenyl, halo-C.sub.1 -C.sub.4 alkylphenyl, halo-C.sub.1 -C.sub.4 alkoxyphenyI, C.sub.1 -C.sub.12 hydroxyalkyl, C.sub.3 -C.sub.8 cycloalkyl, C.sub.6 -C.sub.16 aryl, substituted C.sub.6 -C.sub.16 aryl, C.sub.7 -C.sub.16 aralkyl, C.sub.3 -C.sub.6 heterocycloalkyl, C.sub.3 -C.sub.16 heteroaryl, C.sub.4 -C.sub.16 heteroaralkyl, --Cl, --Br, --I, OH, --OC.sub.1 -C.sub.16 alkyl, --OC.sub.6 -C.sub.16 aryl, --OOC--C.sub.1 -C.sub.18 alkyl,--OOC-phenyl, SH, --N(Si(CH.sub.3).sub.3).sub.2, SC.sub.1 -C.sub.18 alkyl; --SC.sub.6 -C.sub.16 aryl, --SC(O)--C.sub.1 -C.sub.18 alkyl, --SC(O)-phenyl, --SC(S)--C.sub.1 -C.sub.18 alkyl, --SC(S)-phenyl, H or an oxygen bridge to a further Sn atom;or two radicals R.sub.2 are together .dbd.S or .dbd.O,with the proviso that at least one R.sub.2 radical which can react with an SH group to form an S--Sn bond is present.