Intramolecular Diels-Alder reactions from trichloro-1,2,4-triazine and 1,5- and 1,6-dienes
作者:Michael G. Barlow、Lakhdar Sibous、Anthony E. Tipping
DOI:10.1016/s0040-4039(00)61337-0
日期:1992.8
The initial dihydropyridines from Diels-Alder addition of dienes to trichloro-1,2,4-triazine, and loss of N2, undergo intramolecular addition with hexa-1,5-diene and cyclo-octa-1,5-diene, also [1,5]H sigmatropic shift with diallyl ether, and [1,5]H shift and partial aromatisation with cyclododeca-1,5,9-triene.
最初的二氢吡啶是由Diels-Alder将二烯添加到三氯-1,2,4-三嗪中而损失的N 2,然后与hexa-1,5-diene和cyclo-octa-1,5-diene进行分子内添加。 [1,5] Hσ位移与二烯丙基醚,[1,5] H Shift和部分芳构化与环十二烷基-1,5,9-三烯。