Synthesis and polymerization of 7-alkoxycarbonyl-7,8,8-tricyanoquinodimethanes and 7,7-bis(alkoxycarbonyl)-8,8-dicyanoquinodimethanes
作者:Takahito Itoh、Hiroyuki Okuno、Takeshi Hishida、Akira Inokuchi、Nobuaki Kamei、Tamotsu Sato、Masataka Kubo、Shouji Iwatsuki
DOI:10.1016/s0040-4020(97)00961-7
日期:1997.11
Attempts were made to prepare novel 7-alkoxycarbonyl-7,8,8-tricyanoquinodimethanes (ethoxy(5a), isopropoxy(5b), and tert-butoxy(6c)), 7,7-bis(alkoxycarbonyl)-8,8-dicyanoquinodimethanes (ethoxy(6a), isopropoxy(6b), and tert-butoxy(6c)), and 1-(2,2-dimethyl-1,3-dioxane-4,6-dione-5-ylidene)-4-(dicyanomethylene)-2,5-cyclohexadiene(6d). 5c and 6d were obtained as yellow and orange needles, respectively
尝试制备新型的7-烷氧基羰基-7,8,8-三氰基喹二甲烷(乙氧基(5a),异丙氧基(5b)和叔丁氧基(6c)),7,7-双(烷氧基羰基)-8,8- dicyanoquinodimethanes(乙氧基(6a),异丙氧基(6b)和叔丁氧基(6c))和1-(2,2-二甲基-1,3-二恶烷-4,6-二酮-5-亚烷基)-4- (二氰基亚甲基)-2,5-环己二烯(6d)。获得的5c和6d分别为黄色和橙色针状,但不能分离出5a,5b和6a-c作为晶体。5c的均聚研究了6d和6d及其与苯乙烯的共聚。