| 摘要 |
<p>The invention relates to the compounds of general formula (I), wherein R represents an n-octyl, dodecyl or i-propyl. It also relates to a process for preparation of compounds of the general formula (I), wherein R is a C1-12alkyl, which comprises reacting 1-isopropyl-4-methyl-bicyclo[2.2.2]-oct-5-ene-2,3-dicarboximide with a halohydrocarbon of the general formula: RX, wherein R is C1-12alkyl, in the presence of phase-transfer catalyst in a binary phase system consisting of inorganic base solid phase and organic liquid phase or inorganic base liquid phase and organic liquid phase.</p> |
