Multi-step reaction with 9 steps
1: aluminum (III) chloride; thionyl chloride
2: potassium tert-butylate / tetrahydrofuran
3: ruthenium(II) dichloro{(S)-(-)-2,2'-bis[di(3,5-xylyl)phosphino]-1,1'-binaphthyl}[(2S)-(+)-1,1-bis(4-methoxyphenyl)-3-methyl-1,2-butanediamine]; hydrogen; sodium t-butanolate / isopropyl alcohol / 45 h / 2585.81 Torr
4: lithium hydroxide; methanol / tetrahydrofuran; water
5: pyridinium p-toluenesulfonate / toluene / Reflux; Dean-Stark
6: lithium hexamethyldisilazane / tetrahydrofuran / -30 - -5 °C
7: neat (no solvent) / 100 °C
8: 2,6-dimethylpyridine / -50 °C
9: lithium hydroxide; water / tetrahydrofuran
With
2,6-dimethylpyridine; methanol; aluminum (III) chloride; thionyl chloride; ruthenium(II) dichloro{(S)-(-)-2,2'-bis[di(3,5-xylyl)phosphino]-1,1'-binaphthyl}[(2S)-(+)-1,1-bis(4-methoxyphenyl)-3-methyl-1,2-butanediamine]; potassium tert-butylate; water; hydrogen; pyridinium p-toluenesulfonate; lithium hydroxide; lithium hexamethyldisilazane; sodium t-butanolate;
In
tetrahydrofuran; water; isopropyl alcohol; toluene;
1: |Friedel-Crafts Acylation;
DOI:10.1021/jm500627s