Chemistry Letters p. 729 - 730 (1980)
Update date:2022-08-11
Topics:
Miyano, Sotaro
Nawa, Masayoshi
Hashimoto, Harukichi
From easily resolved 2,2'-diamino-1,1'-binaphthyl were prepared axially dissymmetric bisphosphine ligands, (R)- and (S)-2,2'-bis(diphenylphosphinamino)-1,1'-binaphthyl; the rhodium-catalyzed asymmetric hydrogenation of α-acylaminoacrylic acids and esters gave the corresponding amino acids of up to 95percent optical purity.
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