Kayayyaki

BAYANI: Quinol dimethacrylate shine bitamin E mai narkewa mai ruwa-ruwa. Vitamins masu narkewa da ruwa sune nau'in mahaɗan kwayoyin halitta waɗanda ba makawa don kiyaye ayyukan rayuwar yau da kullun na jikin ɗan adam kuma suna buƙatar ƙasa.Quinol dimethacrylate za a iya shirya daga 1,4-dihydroxy-2,3,5-trimethylbenzene, ruwa formalin da methyl methacrylate a matsayin farawa kayan.

Shiri: A cikin gilashin gilashin 200mL sanye take da na'ura mai kwakwalwa, ƙara 16.7g (59.1mmolCCM, tsarkin sinadarai: 93.5%) a cikin CCM da aka shirya a sama), saka 16.7g methanol, 3.3g (82.5mmol) na NaOH da 50 g na ruwa. , da kuma cakuda da aka hõre hydrolysis na ester a 80 ° C karkashin nitrogen yanayi.Dama na awa daya tare da motsawa.An tace maganin da aka yi a cikin zafin jiki guda ɗaya don cire abubuwan da ba su narkewa, sannan a ƙara juzu'i zuwa maganin acidic da aka samu ta hanyar narkar da 11.7 g (85.9 mmol) na potassium hydrogen sulfate a cikin 50 g na ruwa sama da awa ɗaya.Tsaya a 80 ° C.a cikin gilashin gilashin 300 ml wanda aka sanya tare da na'ura.Bayan da aka kammala maganin neutralization, lu'ulu'u sun haura nan da nan lokacin da aka dakatar da motsawa, kuma an yarda da cakuda dauki ya tsaya.An tace lu'ulu'u a 80 ° C, an wanke su sau biyu tare da 50 ml na ruwa, sa'an nan kuma a bushe a karkashin ruwa a 80 ° C.An dauki matakin na tsawon sa'o'i 24 don samun 14.5 g (57.9 mmol) na 6-hydroxy-2,5,7,8-tetramethylbenzo-2-carboxylic acid, quinodimethacrylate (wanda ake kira CCA daga baya) (Sakamakon: 98.3%, tsaftar sinadarai: 99.7%).

Ayyukan Halittu: Trolox shine analog na ruwa mai narkewa na bitamin E tare da kaddarorin antioxidant masu ƙarfi.Trolox kuma mai ƙarfi ne mai hana lalacewar membrane.

Amfani: Wani maganin antioxidant da aka samu daga bitamin E mai narkewa da ruwa tare da ɓarke ​​​​free radical da ayyukan antioxidant.