Multi-step reaction with 4 steps
1: (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride; triphenyl-arsane; caesium carbonate / water; N,N-dimethyl-formamide / 16 h / 20 °C / Inert atmosphere; Microwave irradiation
2: diisobutylaluminium hydride / tetrahydrofuran; hexane / 2.5 h / -78 °C / Inert atmosphere
3: pyridine / dichloromethane / 0.5 h / 0 °C / Inert atmosphere
4: bis(1,5-cyclooctadiene)diiridium(I) dichloride; O,O’-(R)-1,1’-(dinaphthyl-2,2’-diyl)-N,N’-di-(R,R)-1-(2-methoxyphenyl)ethylphosphoramidite; 1,3,4,6,7,8-hexahydro-2H-pyrimido[1,2-a]pyrimidine / tetrahydrofuran / 6 h / 50 °C
With
pyridine; (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride; bis(1,5-cyclooctadiene)diiridium(I) dichloride; triphenyl-arsane; O,O’-(R)-1,1’-(dinaphthyl-2,2’-diyl)-N,N’-di-(R,R)-1-(2-methoxyphenyl)ethylphosphoramidite; 1,3,4,6,7,8-hexahydro-2H-pyrimido[1,2-a]pyrimidine; diisobutylaluminium hydride; caesium carbonate;
In
tetrahydrofuran; hexane; dichloromethane; water; N,N-dimethyl-formamide;
1: Suzuki Miyaura coupling;
DOI:10.1002/ejoc.201100981