Multi-step reaction with 12 steps
1: 76 percent / Et3N / tetrahydrofuran / 36 h / Heating
2: 95 percent / CF3COOH / CH2Cl2 / 2 h / Ambient temperature
3: LiCl / tetrahydrofuran / 240 h / Ambient temperature
4: 77 percent / H2 / Raney-Ni / ethanol; aq. NH3 / 3040 Torr / Ambient temperature
5: 80 percent / LiOH*H2O / tetrahydrofuran; methanol; H2O / 4 h / Ambient temperature
6: 63 percent / (EtO)2POCN, Et3N / dimethylformamide / 24 h / Ambient temperature
7: 89 percent / (i-Pr)2EtN / tetrahydrofuran / 4 h / Heating
8: 76 percent / NaH, 4-(dimethylamino)pyridine / tetrahydrofuran / 24 h / Ambient temperature
9: 69 percent / camphorsulfonic acid / methanol / 24 h / Ambient temperature
10: 84 percent / NaIO4 / methanol / 4 h / Ambient temperature
11: 1.) KOtBu / 1.) THF, r.t., overnight; 2.) THF, -78 deg C, 2 h, -40 deg C, 24 h
12: 97 percent / CF3COOH / CHCl3 / 3 h / Ambient temperature
With
dmap; lithium hydroxide; sodium periodate; diethyl cyanophosphonate; camphor-10-sulfonic acid; potassium tert-butylate; hydrogen; sodium hydride; triethylamine; N-ethyl-N,N-diisopropylamine; trifluoroacetic acid; lithium chloride;
nickel;
In
tetrahydrofuran; methanol; ammonium hydroxide; ethanol; dichloromethane; chloroform; water; N,N-dimethyl-formamide;
DOI:10.1002/hlca.19980810541