Multi-step reaction with 23 steps
1.1: trifluorormethanesulfonic acid / dichloromethane / 1 h / 0 °C / Inert atmosphere
1.2: 1 h / -78 °C / Inert atmosphere
2.1: diethylaluminium chloride / hexane; toluene / 39 h / 0 - 20 °C / Inert atmosphere
3.1: lithium aluminium tetrahydride / diethyl ether / 1.5 h / 0 - 20 °C / Inert atmosphere
3.2: 0.25 h / 20 °C / Inert atmosphere
4.1: triphenylphosphine; 1H-imidazole; iodine / tetrahydrofuran / 0.17 h / 0 - 20 °C / Inert atmosphere
5.1: dimethyl sulfoxide / 3 h / 60 °C / Inert atmosphere
6.1: diisobutylaluminium hydride / toluene; dichloromethane / 0.25 h / -78 °C / Inert atmosphere
7.1: sodium tetrahydroborate / ethanol / 20 °C
8.1: sodium hydrogencarbonate; 3-chloro-benzenecarboperoxoic acid / dichloromethane / 1 h / 0 - 20 °C
9.1: pyridinium p-toluenesulfonate / dichloromethane / 1 h / 0 °C / Inert atmosphere
9.2: 1 h / 0 - 20 °C / Inert atmosphere
10.1: diiodomethane; samarium / tetrahydrofuran / 4.5 h / 20 °C / Inert atmosphere; Darkness
11.1: 1H-imidazole / N,N-dimethyl-formamide / 2 h / 0 - 20 °C / Inert atmosphere
12.1: N-ethyl-N,N-diisopropylamine; n-butyllithium / tetrahydrofuran; hexane / 0.5 h / -78 °C / Inert atmosphere
12.2: Inert atmosphere
13.1: Dess-Martin periodane; sodium hydrogencarbonate / dichloromethane / 0.75 h / 0 - 20 °C / Inert atmosphere
14.1: tetrakis(triphenylphosphine) palladium(0); sodium hydride / tetrahydrofuran; mineral oil / 0.5 h / 0 - 20 °C / Inert atmosphere
15.1: toluene-4-sulfonic acid / methanol / 0.5 h / 0 - 20 °C / Inert atmosphere
16.1: triphenylphosphine; 1H-imidazole; iodine / tetrahydrofuran / 0.17 h / 20 °C / Inert atmosphere
17.1: lithium diisopropyl amide / tetrahydrofuran / 1 h / -20 °C / Inert atmosphere
18.1: 9-borabicyclo[3.3.1]nonane dimer / tetrahydrofuran / 1 h / 20 °C / Inert atmosphere
18.2: 0 °C / Inert atmosphere
18.3: 1.16 h / 0 - 20 °C / Inert atmosphere
19.1: N,N-dimethyl-formamide / 1 h / 0 °C / Inert atmosphere
20.1: potassium hexamethylsilazane / toluene / 0.5 h / -78 °C / Inert atmosphere
21.1: diethyl ether; dibutyl ether / 0.25 h / 20 °C / Inert atmosphere
22.1: diethylazodicarboxylate; triphenylphosphine / tetrahydrofuran; toluene / 0 - 20 °C / Inert atmosphere
23.1: tetrakis(triphenylphosphine) palladium(0); lithium chloride / N,N-dimethyl-formamide / 0.33 h / Inert atmosphere
23.2: 0.17 h / 90 °C / Inert atmosphere
With
1H-imidazole; samarium; sodium tetrahydroborate; lithium aluminium tetrahydride; 9-borabicyclo[3.3.1]nonane dimer; tetrakis(triphenylphosphine) palladium(0); n-butyllithium; diiodomethane; trifluorormethanesulfonic acid; iodine; diethylaluminium chloride; pyridinium p-toluenesulfonate; potassium hexamethylsilazane; sodium hydride; diisobutylaluminium hydride; sodium hydrogencarbonate; Dess-Martin periodane; toluene-4-sulfonic acid; N-ethyl-N,N-diisopropylamine; 3-chloro-benzenecarboperoxoic acid; triphenylphosphine; lithium chloride; lithium diisopropyl amide; diethylazodicarboxylate;
In
tetrahydrofuran; methanol; diethyl ether; ethanol; hexane; dichloromethane; dibutyl ether; dimethyl sulfoxide; N,N-dimethyl-formamide; toluene; mineral oil;
2.1: |Diels-Alder Cycloaddition / 12.2: |Aldol Addition / 23.1: |Stille Carbonyl Synthesis;
DOI:10.1021/ja503899t