Regio- and Stereodivergent Allylic Reductions of Bicyclic Piperidine Enecarbamate Derivatives
作者:Francesco Berti、Andrea Menichetti、Lucilla Favero、Fabio Marchetti、Mauro Pineschi
DOI:10.1021/acs.joc.8b01601
日期:2018.10.5
reducing agents. A completely novel, biologically active, bicyclic 1,3-diaza-4-oxa-[3.3.1]-nonene scaffold can be generated by the use of lithium triethylborohydride through unprecedented cascade syn-SN2′ reduction/carbamate reduction/cyclization reactions. The remarkable regioselectivity switches in the allylic reduction process have been rationalized with the aid of computational studies.
1型四氢吡啶并[4,3 - e ] -1,4,2-二恶嗪的特殊性质使得可以通过常规还原剂在区域和立体选择性地获得取代的N-氨基甲酰基四氢吡啶。通过使用三乙基硼氢化锂通过空前的级联顺式-S N 2'还原/氨基甲酸酯还原/环化反应,可以生产出一种全新的,具有生物活性的双环1,3-二氮杂-4-氧杂-[3.3.1]-壬烯骨架。反应。借助于计算研究已经合理化了烯丙基还原过程中显着的区域选择性开关。