Asymmetric induction in the diels-alder reactions of α-hydroxyacylnitroso compounds
作者:Gordon W. Kirby、Muhammad Nazeer
DOI:10.1016/s0040-4039(00)82298-4
日期:——
Transient, chiral α-hydroxyacylnitroso compounds (2), able to form intramolecular hydrogen bonds, react stereoselectively with cyclopentadiene and cyclohexa-1,3-diene; the cycloadduct (6) of the latter diene and the nitroso derivative of ()-mandelic acid has been converted into the known (-)-oxazine derivative (9).
能够形成分子内氢键的瞬态手性α-羟基酰基亚硝基化合物(2)与环戊二烯和环己-1,3-二烯立体选择性地反应;后者的二烯的环加合物(6)和()-扁桃酸的亚硝基衍生物已被转化为已知的(-)-恶嗪衍生物(9)。