Palladium(0)-Mediated Rapid Methylation and Fluoromethylation on Carbon Frameworks by Reacting Methyl and Fluoromethyl Iodide with Aryl and Alkenyl Boronic Acid Esters: Useful for the Synthesis of [<sup>11</sup>C]CH<sub>3</sub>C- and [<sup>18</sup>F]FCH<sub>2</sub>C-Containing PET Tracers (PET=Positron Emission Tomography)
作者:Hisashi Doi、Ikuya Ban、Akihito Nonoyama、Kengo Sumi、Chunxiang Kuang、Takamitsu Hosoya、Hideo Tsukada、Masaaki Suzuki
DOI:10.1002/chem.200801974
日期:2009.4.14
methylation and fluoromethylation on aryl and alkenyl frameworks by using methyl and fluoromethyl iodide with an organoboronic acid ester has been developed under the simple and mild conditions of [Pd2(dba)3]/P(o‐CH3C6H4)3/K2CO3 (dba= dibenzylideneacetone) in DMF at 60 °C for 5 min (see scheme). This boron protocol provides a firm chemical basis for the synthesis of 11C‐ and 18F‐incorporated PET tracers.
在简单温和的 [Pd 2 (dba) 3 ]/P( o ‐CH )条件下,开发了一种新的合成方法,利用甲基和氟甲基碘与有机硼酸酯在芳基和烯基骨架上进行快速甲基化和氟甲基化3 C 6 H 4 ) 3 /K 2 CO 3 (dba=二亚苄基丙酮)在DMF中在60°C下5分钟(参见方案)。该硼方案为合成11 C 和18 F 的 PET 示踪剂提供了坚实的化学基础。