Multi-step reaction with 8 steps
1: 77 percent / sodium hydride / tetrahydrofuran / 0 °C
2: LDA, hexamethylphosphoramide / 1.) THF, -78 deg C, 45 min, 2.) -78 deg C to RT, 2 h
3: 1.) LDA, HMPA / 1.) THF, -78 deg C, 45 min, 2.) -78 deg C to RT, 2 h
4: 64 percent / 30percent H2O2, glacial acetic acid / H2O; tetrahydrofuran / 2 h / 0 °C
5: 28 percent / hexane / 1 h / 125 °C
6: 93 percent / sodium periodate / methanol; H2O / 35 h / Ambient temperature
7: 62 percent / trimethyl phosphite / methanol / 18 h
8: 72 percent / sodium hydroxide / ethanol / 1 h / Ambient temperature
With
N,N,N,N,N,N-hexamethylphosphoric triamide; sodium hydroxide; sodium periodate; dihydrogen peroxide; sodium hydride; acetic acid; lithium diisopropyl amide; phosphorous acid trimethyl ester;
In
tetrahydrofuran; methanol; ethanol; hexane; water;
DOI:10.1021/jo00347a034