Multi-step reaction with 10 steps
1.1: N-iodo-succinimide / tetrahydrofuran / 0.33 h / -17 °C
2.1: caesium carbonate; triphenyl-arsane; (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride / water; tetrahydrofuran; N,N-dimethyl-formamide / 0.25 h / 20 °C / Inert atmosphere
3.1: tetrabutyl ammonium fluoride / tetrahydrofuran / 6 h / 20 °C / Inert atmosphere
4.1: dichloromethane / 0.17 h / 0 °C / Molecular sieve; Inert atmosphere
4.2: 2 h / 0 - 20 °C / Molecular sieve; Inert atmosphere
5.1: triethylamine / dichloromethane / 10 h / 20 °C
6.1: lithium hexamethyldisilazane / tetrahydrofuran / 3 h / -40 °C
6.2: 2.17 h / -78 - -40 °C
7.1: pyridinium p-toluenesulfonate / acetone; water / 4 h / 20 °C
8.1: manganese(IV) oxide / dichloromethane / 16 h / 20 °C
9.1: toluene-4-sulfonic acid / dichloromethane / 3 h / 20 °C
10.1: 2,6-di-tert-butyl-4-methyl-phenol / toluene / 17 h / 170 °C / Inert atmosphere; Sealed tube
With
manganese(IV) oxide; (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride; N-iodo-succinimide; triphenyl-arsane; 2,6-di-tert-butyl-4-methyl-phenol; tetrabutyl ammonium fluoride; pyridinium p-toluenesulfonate; caesium carbonate; toluene-4-sulfonic acid; triethylamine; lithium hexamethyldisilazane;
In
tetrahydrofuran; dichloromethane; water; N,N-dimethyl-formamide; acetone; toluene;
2.1: |Suzuki Coupling / 10.1: |Diels-Alder Cycloaddition;
DOI:10.1021/jo501117k