Multi-step reaction with 21 steps
1.1: DIBALH / diethyl ether / 1 h / -78 °C
1.2: 63 percent / tetrahydrofuran; diethyl ether / -78 - 20 °C
2.1: 93 percent / DMAP; DCC / CH2Cl2 / 3 h / 20 °C
3.1: LHMDS; TMSCl; Et3N / tetrahydrofuran / -78 - 20 °C
3.2: 86 percent / diethyl ether / 0.5 h / 20 °C
4.1: 86 percent / DDQ / CH2Cl2; H2O / 0.33 h / 20 °C
5.1: 84 percent / PhOH / 4.5 h / 125 °C
6.1: 97 percent / NaBH4 / ethanol / 8 h / 20 °C
7.1: 85 percent / I2; Ph3P; imidazole / diethyl ether; acetonitrile / 0.5 h / 20 °C
8.1: 92 percent / LHMDS / tetrahydrofuran / 0.83 h / 0 °C
9.1: 95 percent / Li / tetrahydrofuran; ethanol; liquid ammonia / 0.5 h / -78 °C
10.1: 86 percent / Et3N; DMAP / CH2Cl2 / 1.5 h / 20 °C
11.1: 98 percent / NaI / butan-2-one / 1.5 h / Heating
12.1: 75 percent / urea; NaNO2 / dimethylsulfoxide / 15 h / 20 °C
13.1: 95 percent / imidazole / dimethylformamide / 5 h / 20 °C
14.1: 85 percent / p-chlorophenyl isocyanate; Et3N / benzene / 10 h / Heating
15.1: Mo(CO)6 / H2O; acetonitrile / 1.5 h / Heating
16.1: 35 mg / MsCl; Et3N / CH2Cl2 / 2 h / 20 °C
17.1: 97 percent / PPTS / ethanol / 10 h / 50 °C
18.1: LiOH / H2O; tetrahydrofuran / 0.33 h / 5 °C
19.1: Et3N; 2,4,6-trichlorobenzoyl chloride / tetrahydrofuran / 3 h / 20 °C
19.2: 5.5 mg / DMAP / toluene / 14 h / Heating
20.1: 85 percent / NaBH4 / methanol / 0.5 h / -78 °C
21.1: 95 percent / BF3*Et2O; thiophenol / CH2Cl2 / 0.5 h / 20 °C
With
1H-imidazole; dmap; lithium hydroxide; sodium tetrahydroborate; chloro-trimethyl-silane; hexacarbonyl molybdenum; 2,4,6-trichlorobenzoyl chloride; boron trifluoride diethyl etherate; iodine; pyridinium p-toluenesulfonate; p-chlorphenylisocyanate; lithium; diisobutylaluminium hydride; methanesulfonyl chloride; thiophenol; triethylamine; dicyclohexyl-carbodiimide; triphenylphosphine; urea; 2,3-dicyano-5,6-dichloro-p-benzoquinone; sodium iodide; lithium hexamethyldisilazane; sodium nitrite; phenol;
In
tetrahydrofuran; methanol; diethyl ether; ethanol; dichloromethane; ammonia; water; dimethyl sulfoxide; N,N-dimethyl-formamide; acetonitrile; butanone; benzene;
3.1: Ireland-Claisen rearrangement / 5.1: Claisen rearrangement;
DOI:10.1021/jo010743i