Multi-step reaction with 13 steps
1.1: 1H-imidazole / N,N-dimethyl-formamide / 2 h / 0 - 20 °C
2.1: diisobutylaluminium hydride / toluene / 3 h / -60 °C
3.1: potassium tert-butylate / tetrahydrofuran / 1.5 h / 0 - 20 °C
3.2: 1.5 h / 0 °C
4.1: sodium hydride / N,N-dimethyl-formamide; mineral oil / 2 h / 0 - 20 °C
5.1: bis(tri-t-butylphosphine)palladium(0) / toluene; tetrahydrofuran / 3 h / 80 °C
6.1: [1,3-bis(2,4,6-trimethylphenyl)-2-imidazolidinylidene]dichloro-(3-phenyl-1H-inden-1-ylidene)(tricyclohexylphosphine)ruthenium(II) / toluene / 3 h / 80 °C
7.1: sodium hydroxide / ethanol; water / 3 h / 20 °C
8.1: potassium carbonate / N,N-dimethyl-formamide / 40 °C
9.1: tetrabutyl ammonium fluoride / tetrahydrofuran / 3 h / 20 °C
10.1: pyridine-SO3 complex; N-ethyl-N,N-diisopropylamine / ethyl acetate / 1 h / 0 °C
11.1: potassium phosphate / tetrahydrofuran / 20 °C
12.1: (3aR)-1-methyl-3,3-diphenyl-tetrahydro-pyrrolo[1,2-c][1,3,2]oxazaborole; dimethylsulfide borane complex / tetrahydrofuran; dichloromethane / 1 h / 20 °C
13.1: acetic acid / tetrahydrofuran; water / 5 h / 60 °C
With
1H-imidazole; potassium phosphate; bis(tri-t-butylphosphine)palladium(0); pyridine-SO3 complex; [1,3-bis(2,4,6-trimethylphenyl)-2-imidazolidinylidene]dichloro-(3-phenyl-1H-inden-1-ylidene)(tricyclohexylphosphine)ruthenium(II); dimethylsulfide borane complex; potassium tert-butylate; tetrabutyl ammonium fluoride; sodium hydride; diisobutylaluminium hydride; potassium carbonate; acetic acid; N-ethyl-N,N-diisopropylamine; sodium hydroxide; (3aR)-1-methyl-3,3-diphenyl-tetrahydro-pyrrolo[1,2-c][1,3,2]oxazaborole;
In
tetrahydrofuran; ethanol; dichloromethane; water; ethyl acetate; N,N-dimethyl-formamide; toluene; mineral oil;
5.1: |Negishi Coupling / 11.1: |Horner-Wadsworth-Emmons Olefination;
DOI:10.1021/acsmedchemlett.6b00415