Multi-step reaction with 20 steps
1.1: 90 percent / aq. NaOH / ethane-1,2-diol / 5 h / Heating
2.1: Et2AlCl / CH2Cl2 / 1 h / 20 °C
2.2: 86 percent / CH2Cl2 / 24 h / 20 °C
3.1: 85 percent / K2CO3 / acetone / 4 h / Heating
4.1: sodium hydride / tetrahydrofuran; dimethylformamide / 0.17 h / 0 °C
4.2: 99 percent / TBAI / tetrahydrofuran; dimethylformamide / 12 h / 20 °C
5.1: 87 percent / TEA; TBABr; (o-tolyl)3P / Pd(OAc)2 / acetonitrile / 12 h / 80 °C
6.1: 93 percent / H2; Rh[(COD)-(S,S)-Et-DuPhos](1+)*TfO(1-) / CH2Cl2; methanol / 72 h / 20 °C / 5171.48 Torr
7.1: 93 percent / aq. LiOH / methanol; tetrahydrofuran / 11 h / 20 °C
8.1: 82 percent / sodium hydride / tetrahydrofuran / 15 h / 20 °C
9.1: BOPCl; TEA / CH2Cl2 / 72 h / 20 °C
10.1: DDQ; aq. buffer / CH2Cl2 / 0.5 h / 20 °C / pH 7.00
11.1: 84 percent / Dess-Martin periodinane; 2,6-lutidine / CH2Cl2 / 12 h / 20 °C
12.1: 59 percent / HCO2H / 0.2 h / 100 °C
13.1: NaBH4 / tetrahydrofuran; H2O / 2 h / 20 °C
14.1: 80 percent / acetic acid; Bu3SnH; (Ph3P)2PdCl2 / CH2Cl2 / 0.5 h / 20 °C
15.1: p-TsOH; MgSO4 / benzene / 4 h / 85 °C
16.1: 90 percent / TEA / CH2Cl2 / 0.5 h / 20 °C
17.1: 90 percent / H2 / Pd/C / ethyl acetate / 24 h / 20 °C / 760 Torr
18.1: 84 percent / KH2PO4; aq. Fremy`s salt / acetonitrile / 36 h / 20 °C
19.1: 87 percent / SeO2 / dioxane / 5 h / 100 °C
20.1: 99 percent / Dess-Martin periodinane / CH2Cl2 / 12 h / 20 °C
With
2,6-dimethylpyridine; bis-triphenylphosphine-palladium(II) chloride; lithium hydroxide; sodium hydroxide; sodium tetrahydroborate; potassium dihydrogenphosphate; formic acid; selenium(IV) oxide; potassiuim nitrosodisulfonate; (+)-1,2-bis((2S,,5S)-2,5-diethylphospholano)benzene(cyclooctadiene)rhodium(I) trifluoromethanesulfonate; TEA; tetrabutylammomium bromide; hydrogen; tri-n-butyl-tin hydride; bis-(2-oxo-3-oxazolidinyl)phosphoryl chloride; diethylaluminium chloride; sodium hydride; magnesium sulfate; potassium carbonate; Dess-Martin periodane; toluene-4-sulfonic acid; acetic acid; tris-(o-tolyl)phosphine; 2,3-dicyano-5,6-dichloro-p-benzoquinone;
palladium diacetate; palladium on activated charcoal;
In
tetrahydrofuran; 1,4-dioxane; methanol; dichloromethane; water; ethylene glycol; ethyl acetate; N,N-dimethyl-formamide; acetone; acetonitrile; benzene;
5.1: Jeffery-Heck coupling;
DOI:10.1021/ja050203t