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Friedel - Crafts 알킬화 반응을 이용한 나프탈렌류의 선택적 이소프로필화 반응
강경보,양오봉,김시환,송재활,이경희 ( Gyung Bo Kang,O - Bong Yang,Si Hwan Kim,Jae Hwal Song,Kyung Hee Lee ) 한국화학공학회 1993 Korean Chemical Engineering Research(HWAHAK KONGHA Vol.31 No.4
The reactivity and selectivity to 2,6-dialkylnaphthalene were affected by the polarity of solvent, alkylating agent, reaction time and reaction temperature in the selective isopropylation of naphthalene or 2-methylnaphthalene(2-MN) with AlCl₃ catalyst. Reaction with isopropylbromide as an alkylating agent in non-polar solvents(hexane or isooctane) was found to be a good system for the higher activity and selectivity to 2,6-dialkylnaphthalene. The reactivity and selectivity were increased as increasing the reaction time and temperature(between 4℃ and 60℃). When 2-MN was used as a substrate, the selectivity to 2,6-DIPN was 2 times higher than naphthalene was used.