作者:Dmytro S. Radchenko、Nataliya Kopylova、Oleksandr O. Grygorenko、Igor V. Komarov
DOI:10.1021/jo900842w
日期:2009.8.7
Practical syntheses of 2-azabicyclo[3.1.1]heptane-1-carboxylic (2,4-methanopipecolic), 2-azabicyclo[2.2.2]octane-1-carboxylic (2,5-ethanopipecolic), and 9-azabicyclo[3.3.1]nonane-1-carboxylic (2,6-propanopipecolic) acids are reported. The synthetic schemes are short (five, seven, and five steps, respectively) and result in reasonably high yields of the title compounds. The key step in the syntheses is the
实际合成2-氮杂双环[3.1.1]庚烷-1-羧酸(2,4-甲基胡椒醇),2-氮杂双环[2.2.2]辛烷-1-羧酸(2,5-乙乙醇酸)和9-氮杂双环[ 3.3.1]报道了壬烷-1-羧酸(2,6-丙二醇)酸。合成方案很短(分别为五步,七步和五步),可得到相当高产率的标题化合物。合成的关键步骤是串联Strecker反应和在δ位具有离去基团的酮的分子内亲核环化反应。