Multi-step reaction with 10 steps
1: diisopropylethylamine (DIEA), hydroxybenzotriazole (HOBt) / dimethylformamide / 1.) 0 deg C, 0.5 h, 2.) RT
2: H2, diisopropylethylamine (DIEA) / 10percent Pd/BaSO4 / dimethylformamide; H2O / 12 h
3: diisopropylethylamine (DIEA), hydroxybenzotriazole (HOBt) / dimethylformamide / 1.) 0 deg C, 0.5 h, 2.) RT, overnight
4: H2, diisopropylethylamine (DIEA) / 10percent Pd/BaSO4 / dimethylformamide; H2O
5: diisopropylethylamine (DIEA), hydroxybenzotriazole (HOBt) / dimethylformamide
6: H2, diisopropylethylamine (DIEA) / 10percent Pd/BaSO4 / dimethylformamide; H2O
7: diisopropylethylamine (DIEA), hydroxybenzotriazole (HOBt) / dimethylformamide
8: 85 percent / trifluoroacetic acid, anisole, thioanisole / 0 °C
9: diisopropylethylamine (DIEA) / dimethylformamide / 24 h / Ambient temperature
10: 82 mg / SO3-pyridine complex / dimethylformamide / 24 h
With
pyridine-SO3 complex; methyl-phenyl-thioether; hydrogen; benzotriazol-1-ol; methoxybenzene; N-ethyl-N,N-diisopropylamine; trifluoroacetic acid;
Pd-BaSO4;
In
water; N,N-dimethyl-formamide;
DOI:10.1021/jm00347a019