Multi-step reaction with 5 steps
1: 93 percent / LiAlH4 / tetrahydrofuran / 1.5 h / Ambient temperature
2: 1 percent / Candidia cylindracea lipase-type VII / benzene / 11 h / 28 °C
3: 1.) Celite, Candida cylindracea lipase type VII, 2.) COCl2, DMSO, Et3N / 1.) isooctane, water, 35 deg C, 2 d, 2.) CH2Cl2, -78 deg C, 20 min
4: 1.) H2NNH2*H2O, 2.) NaOH / 1.) triethylene glycol, 120 deg C, 2 h, 2.) 170 deg C, 18 h
5: 100 percent / DMPA, Et3N / CH2Cl2 / 1 h / Ambient temperature
With
sodium hydroxide; lithium aluminium tetrahydride; Candida cylindracea lipase type VII; Candidia cylindracea lipase-type VII; Celite; 0,2,4-dichlorophenyl-0-methylisopropylamidothiophosphate; hydrazine hydrate; dimethyl sulfoxide; triethylamine;
In
tetrahydrofuran; dichloromethane; benzene;
DOI:10.1021/ja00159a042