Multi-step reaction with 15 steps
1: 89 percent / Li, liquid NH3 / tetrahydrofuran / 1 h / -78 °C
2: 1) COCl2, DMSO, 2) Et3N / 1) CH2Cl2, -10 deg C, 30 min, 2) -10 deg C, 1 h
3: 92 percent / CH2Cl2 / 2 h / Heating
4: 94 percent / DIBAH / hexane / 0.08 h / -78 °C
5: 94 percent / PPh3, CCl4 / benzene / 10 h / Heating
6: 87 percent / dimethylformamide / 1 h / 0 °C
7: 1) BuLi, TMEDA, 2) metallic Na / 1) THF, hexane, 0 deg C, 30 min, 2) THF, 2-propanol, 2 h, reflux
8: 100 percent / i-Pr2NEt / CH2Cl2 / 12 h / Heating
9: 74 percent / TBAF / tetrahydrofuran / 4 h / Heating
10: TBHP / VO(acac)2 / benzene; CH2Cl2 / 5 h / 50 °C
11: AcOH / diethyl ether / 0.5 h / Ambient temperature
12: 98 percent / 12 M aq. HCl / methanol / 12 h / Ambient temperature
13: Et3N / CH2Cl2 / 2 h / -40 °C
14: K2CO3 / methanol / 0.5 h / Ambient temperature
15: 2 M aq. HCl / CHCl3 / 1 h / Ambient temperature
With
hydrogenchloride; tert.-butylhydroperoxide; tetrachloromethane; n-butyllithium; N,N,N,N,-tetramethylethylenediamine; tetrabutyl ammonium fluoride; ammonia; sodium; lithium; diisobutylaluminium hydride; potassium carbonate; acetic acid; dimethyl sulfoxide; triethylamine; N-ethyl-N,N-diisopropylamine; triphenylphosphine;
bis(acetylacetonate)oxovanadium;
In
tetrahydrofuran; methanol; diethyl ether; hexane; dichloromethane; chloroform; N,N-dimethyl-formamide; benzene;
DOI:10.1021/jo00007a013