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Novel C2-symmetric diphosphine ligand with only the planar chirality of ferrocene

โœ Scribed by Wanbin Zhang; Toshiyuki Kida; Yohji Nakatsuji; Isao Ikeda

Publisher
Elsevier Science
Year
1996
Tongue
French
Weight
313 KB
Volume
37
Category
Article
ISSN
0040-4039

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โœ Ryoichi Kuwano; Takashi Uemura; Makoto Saitoh; Yoshihiko Ito ๐Ÿ“‚ Article ๐Ÿ“… 1999 ๐Ÿ› Elsevier Science ๐ŸŒ French โš– 238 KB

Optically active diphosphine (S,S)-2,2"-bis[(diethylphosphino)methyl]-1,1"-biferrocene (abbreviated to (S,S)-EtTRAP-H) was synthesized from ferrocenyloxazoline derived from L-valinol in 47% overall yield. The new chiral ligand, (S,S)-EtTRAP-H, which coordinates to a rhodium atom in a trans-ehelating