Multi-step reaction with 32 steps
1: 1.) aq. NaNO2, HCl, 2.) NaN3 / 1.) EtOH, 0 deg C, 20 min, 2.) EtOH, 0 deg C, 40 min
2: i-Pr2NEt / CH2Cl2 / 23 °C
3: NBS, Bz2O2 / benzene / 2 h / Heating
4: K2CO3 / dimethylformamide / 0.25 h / 70 °C
5: TFA / CH2Cl2 / 3 h / 23 °C
6: K2CO3 / dimethylformamide / 80 °C
7: 100 percent / DIBAL / CH2Cl2 / -78 °C
8: 98 percent / PCC / CH2Cl2 / 23 °C
9: toluene / 7 h / 170 °C
10: NaOH / methanol / 23 °C
11: m-CPBA / 4 h / 23 °C
12: ClCOCOCl, DMSO (Swern oxidation)
13: aq. LiOH / tetrahydrofuran / 2 h / 0 °C
14: NaBH4 / ethanol / -78 - 23 °C
15: 92 percent / imidazole, DMAP / CH2Cl2 / 23 °C
16: 64 percent / DIBAL / toluene / -78 °C
17: m-CPBA / CH2Cl2 / 23 °C
18: 10 h / 23 °C
19: 83 percent / ClCOCOCl, DMSO (Swern oxidation)
20: H2NNH2 / methanol; CH2Cl2 / 23 °C
21: n-Bu4NF / tetrahydrofuran / 23 °C
22: 100 percent / CSA / CH2Cl2 / 23 °C
23: aq. NaN3 / dimethylformamide / 6 h / 125 °C
24: Et3N / CH2Cl2 / 23 °C
25: 1.) TFA, 2.) COCl2, pyridine / 1.) CH2Cl2, 23 deg C, 10 min, 2.) CH2Cl2, 23 deg C
26: ceric ammonium nitrate (CAN) / acetonitrile; H2O / 23 °C
27: PCC, MgSO4 / CH2Cl2 / 23 °C
28: CSA / methanol / 23 °C
29: 71 percent / Ph3P, i-Pr2NEt / tetrahydrofuran; H2O / 0.5 h / 60 °C
30: 100 percent / H2 / Pd/C / ethanol / 2 h / 23 °C / 760 Torr
31: 96 percent / aq. HClO4 / tetrahydrofuran / 2 h / 23 °C
32: 95 percent / NH3 / CH2Cl2 / 2 h / 23 °C
With
pyridine; 1H-imidazole; hydrogenchloride; dmap; lithium hydroxide; sodium hydroxide; sodium tetrahydroborate; N-Bromosuccinimide; sodium azide; perchloric acid; oxalyl dichloride; ammonium cerium(IV) nitrate; camphor-10-sulfonic acid; tetrabutyl ammonium fluoride; ammonia; hydrogen; diisobutylaluminium hydride; magnesium sulfate; potassium carbonate; dimethyl sulfoxide; triethylamine; N-ethyl-N,N-diisopropylamine; 3-chloro-benzenecarboperoxoic acid; triphenylphosphine; pyridinium chlorochromate; trifluoroacetic acid; hydrazine; sodium nitrite; dibenzoyl peroxide;
palladium on activated charcoal;
In
tetrahydrofuran; methanol; ethanol; dichloromethane; water; N,N-dimethyl-formamide; toluene; acetonitrile; benzene;
DOI:10.1021/ja00027a071