Selective alkylation of 3-(O--butyldimethylsilyl)-6-(O-desmethyl)-diprenorphine with [11C]-methyl iodide followed by desilylation affords [11C]-dipronorphine labeled at the 6-methoxy position in 10% yield with a specific activity of 1740 mCi/μmol at the end of a 30 minute synthesis.
3- [O--丁基二甲基甲
硅烷基)-6-(O-去甲基)-
二丙诺啡与[ 11 C]-甲基
碘的选择性烷基化,然后进行去甲
硅烷基化作用,制得在11-甲氧基位置标记的[ 11 C]-
二丙诺啡,产率为10%。在30分钟的合成结束时,其比活度为1740 mCi /μmol。