Helical triskelion monophosphites as ligands in asymmetric catalysis.


Members of a new family of chiral triskelion P ligands, namely helical C(3)-symmetric monophosphites P(OR)(3), have been prepared in two steps by monoacylation of (R)- or (S)-1,1'-binaphthyl-2,2'-diol (BINOL) or diphenol using a carboxylic acid chloride followed by PCl(3) phosphorylation. The most sterically hindered member of these monophosphites, derived… (More)
DOI: 10.1021/ja809297a

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