摘要:
Process for the epoxidation of olefins with oxygen or air, and a redox system, in the presence of a titanium silicalite, whereby the redox system is selected from
i) quinone/hydroquinone derivatives substituted with a -(CH 2 ) n -N + (R 2 ) 3 , -(CH 2 ) n -CO - N + (R 3 ) 4 or -(CH 2 ) n -CO 2 - M + group, or ii) acetophenone/1-phenyl ethanol derivatives substituted with a group as indicated for the quinone/hydroquinone system, or with a group -(CH 2 ) n -SO 3 - N + (R 6 ) 4 .
摘要翻译:在钛硅沸石存在下用氧或空气和氧化还原体系环氧化烯烃的方法,其中氧化还原体系选自i)被 - (CH 2)n N +)取代的醌/氢醌衍生物 )3, - (CH 2)n -CO 2 - , - N +) - R 3)4或 - (CH 2)n -CO 2 M +基团,或ii)苯乙酮/ 对于醌/氢醌体系或与基团 - (CH 2)n -SO 3 - N +)的基团
摘要:
Process for the production of diaminodiphenylmethane and its higher homologues products, which comprises reacting aniline, or one of its derivatives, and formaldehyde, or a compound capable of producing formaldehyde under the reaction conditions, in the presence of a zeolite in acid form having a spaciousness index ranging from 2.5 to 19.