申请人:Tidwell, Thomas T.
公开号:EP0650970A1
公开(公告)日:1995-05-03
The novel 1,2-bisketene of Formula I:
wherein:
R¹ is SiR³R⁴R⁵;
R² is selected from the group comprising SiR³R⁴R⁵, hydrogen, methyl, a substituted or unsubstituted C₂₋₂₀linear or branched alkyl group, a substituted or unsubstituted C₆₋₂₀ aryl group, a substituted or unsubstituted C₅₋₂₀ cycloalkyl group and a halogen; and
each of R³, R⁴ and R⁵ are the same or different and are selected from the group comprising hydrogen, methyl, a substituted or unsubstituted C₂₋₂₀ linear or branched alkyl group, a substituted or unsubstituted C₆₋₂₀ aryl group, a substituted or unsubstituted C₇₋₂₀ aralkyl group and substituted or unsubstituted a C₅₋₂₀ cycloalkyl group, is useful in e.g. preparing a succinate ester, or in reacting with a polyfunctional alcohol or ester to produce a polyester or polyamide.
化合物1,2-双烯的化学式I:其中:R¹为SiR³R⁴R⁵; R²选自包括SiR³R⁴R⁵,氢,甲基,取代或未取代的C₂₋₂₀线性或支链烷基,取代或未取代的C₆₋₂₀芳基,取代或未取代的C₅₋₂₀环烷基和卤素的基团; R³,R⁴和R⁵中的每一个都相同或不同,选自包括氢,甲基,取代或未取代的C₂₋₂₀线性或支链烷基,取代或未取代的C₆₋₂₀芳基,取代或未取代的C₇₋₂₀芳基烷基和取代或未取代的C₅₋₂₀环烷基的基团。该化合物可用于制备琥珀酸酯,或与多官能团醇或酯反应以产生聚酯或聚酰胺。