公开(公告)号：US3954839A

公开(公告)日：1976-05-04

申请号：US532127

申请日：1974-12-12

申请人： Martin Dexter ,  David Herbert Steinberg

发明人： Martin Dexter ,  David Herbert Steinberg

IPC分类号： C08K5/134 ,  C07C149/20

CPC分类号： C08K5/1345 ,  C10M2207/281 ,  C10M2207/282 ,  C10M2207/283 ,  C10M2207/286 ,  C10M2207/289 ,  C10M2207/34 ,  C10M2219/084 ,  C10M2221/043 ,  C10N2240/401 ,  C10N2240/62

摘要： The compounds are esters having the formula ##EQU1## wherein R.sub.1 and R.sub.2 are each independently alkyl, cycloalkyl, alkylthioethyl or alkylpolyoxyalkylene, Z is oxygen or sulfur, R.sub.3 is the group ##SPC1##R.sub.4 is hydrogen, alkyl, cycloalkyl or .alpha.-methylbenzyl, R.sub.5 is alkyl or cycloalkyl, R.sub.6 is hydrogen or alkyl and, provided when R.sub.4 is hydrogen, R.sub.6 is alkyl and R.sub.5 is located on the carbon atom ortho to the hydroxyl group, and A is a covalent carbon bond or lower alkylene.The esters of this invention are prepared by usual esterification procedures from a thioether isopropanol and an acid of formula ##SPC2##Or a derivative thereof, preferably the methyl ester.The thioether isopropanols are prepared by reaction of epichlorohydrin with an alcohol or mercaptan followed by the opening of the oxirane ring with a mercaptide to give the desired thioether isopropanol.The compounds are useful as stabilizers for organic materials, especially polyolefins, which degrade upon exposure to light and heat.

摘要翻译： 这些化合物是具有式R1-Z-CH2CHCH2-S-R2 | OR3的酯，其中R1和R2各自独立地是烷基，环烷基，烷基硫代乙基或烷基聚氧化烯，Z是氧或硫，R3是基团R4是氢，烷基，环烷基 或α-甲基苄基，R 5是烷基或环烷基，R 6是氢或烷基，并且当R 4是氢时，R 6是烷基，R 5位于与羟基邻位的碳原子上，并且A是共价碳键或更低 亚烷基。

公开(公告)号：US2472407A

公开(公告)日：1949-06-07

申请号：US69263446

申请日：1946-08-23

申请人： DAVID HERBERT J ,  MAX ZAUSNER

发明人： DAVID HERBERT J ,  MAX ZAUSNER

IPC分类号： B62B7/02

CPC分类号： B62B7/02