反应条件
1: 1.) azidonitration; 2.) oxalyl chloride / 2.) CH2Cl2, DMF, 1h, 0 deg C 2: 10 percent / silver trifluoromethanesulfonate, sym-collidine, 4 Angstroem molecular sieves / CH2Cl2 / Ambient temperature 3: 1.) H2 / 1.) 5percent palladium-on-charcoal / 1.) aq. EtOH, 3h, room temperature; 2.) methanol, 6h 4: 64 percent / 0.5N sodium methoxide / methanol / 0.33 h / Ambient temperature View Scheme
参考文献
Szweda, R.; Spohr, U.; Lemieux, R. U.; Schindler, D.; Bishop, D. F.; Desnick, R. J.
Canadian Journal of Chemistry, 1989 , vol. 67, p. 1388 - 1391
