New spiro-poly:alkyl piperidine cpds. useful for improved properties

摘要

Polyalkylpiperidine cpds. of formula (I) are new: Y = -<10>C(O)-<9>N(-)- or -<9>N(-)-<10>C(O)-; R<1> = H or alkyl; R<2> = -OR<17> or -COR<18>; R<3>, R<4> = H or alkyl, or R<3> + R<4> + the ring carbon may form a 5- to 12-membered ring or a gp. of formula: n = 1, 2 or 3; if n = 1, A = H, -R<5>, -COR<5>, -CONH-R<5>, -COOR<5>m -P(OR<6>)(OR<7>), -Si(OR<5>)<3>, -Sr(R<5>)2R<6> or a gp.: if n = 2, A = -R<11>-, -COR<12>CO-, -CONHR<13>NHCO-, -CO-, >POR<5>, >Si(OR<5>)2, >Si(R<5>)2 or: if n = 3, A = >R<14>-, R<15>(CO-)3, R<16>(NHCO-)3, ?=SiOR<5>, ?=SiR<5> or: R<5> = 1-18C alkyl, 2-18C alkenyl or alkynyl, 5-12C cycloalkyl, 6-10C bicycloalkyl, 5-8C cycloalkenyl, 6-10C aryl, 7-9C aralkyl or 7-9C alkaryl, opt. substd. with 1-4C alkyl or Ph; R<6>, R<7> = as for R<5> or a residue of formula (II) or (III): X = direct bond, -CH2- or 2-5C 1,1-alkylidene; R<8>, R<9> = -OR<5>, -NHR<5> or NR<17>R<18>, or one of these gps. may have the formula: R<10> = H, 1-12C alkyl, 5-7C cycloalkyl, 7-9C aralkyl, 8-18C alkanoyl, 3-5C alkenoyl, -COPh or: R<11>-R<13> = 1-12C alkylene, 6-7C cycloalkylene, 8-10C bicycloalkylene, 6-10C arylene or 7-9C aralkylene (opt. substd. with 1-4C alkyl or Ph); R<14>-R<16> = trifunctional 3-18C alkyl, 5-7C cycloalkyl or 6-10C aryl (opt. substd. with 1-4C alkyl or Ph); and R<17>-R<18> = 1-10C alkyl, 5-7C cycloalkyl or 6-10C aryl, or R<17> + R<18> plus the N atom may form a 5- to 12-membered ring, opt. also contg. O.