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A Practical Synthesis of C2-Symmetric Chiral Binaphthyl Ketone Catalyst

Masahiko Seki, Shin-ichi Yamada, Tooru Kuroda, Ritsuo Imashiro, Toshiaki Shimizu
Synthesis | 2000 | 10.1055/s-2000-8197

A practical synthesis of 11-membered C 2-symmetric binaphthyl ketone (R)-1, a catalyst for asymmetric epoxidation, was developed. (±)-1,1'-Binaphthyl-2,2'-dicarboxylic acid [(±)-6] was efficiently resolved by (R)-(-)-1-cyclohexylethylamine to give (R)-6 in...

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