Bulletin of the Chemical Society of Japan p. 1911 - 1918 (1999)
Update date:2022-09-26
Topics:
Nozaki, Kyoko
Shibahara, Fumitoshi
Itoi, Yohei
Shirakawa, Eiji
Ohta, Tetsuo
Takaya, Hidemasa
Hiyama, Tamejiro
When polymer-immobilized chiral phosphine-phosphite-Rh(I) complexes were used, the asymmetric hydroformylation of styrene gave 2- and 3- phenylpropanals with a substrate/catalyst ratio of 2000, iso/normal ratios of 84/16 to 89/11, and 89% R enantiomeric excess of 2-phenylpropanal; these results were at the highest level in catalytic activity, regio-, and enantioselectivities. Recovery-reuse of the catalyst was examined. Asymmetric hydroformylation of vinyl acetate, (Z)-2-butene, and 3,3,3-trifluoropropene was also successfully performed with the polymer-supported catalysts.
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