Synthesis p. 951 - 953 (1992)
Update date:2022-09-26
Topics:
Terfort
A new, chiral bisphosphine, (3R,4R)-3,4-bis(diphenylphosphino)tetrahydrofuran (4), is synthesized in three steps from (R,R)-tartaric acid esters. With rhodium(I) complexes of 4 enantiomeric excesses of 54 to 97% are obtained on catalytic hydrogenation of 2-(acetylamino)acrylic acid, 2-(acetylamino)cinnamic acids and itaconic acid. The applied substrate/catalyst ratios were between 250:1 and 11,000:1.
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Doi:10.1016/S0040-4020(01)90381-3
(1992)Doi:10.1016/S0040-4039(00)61125-5
(1992)Doi:10.1021/jo401356j
(2013)Doi:10.1016/j.tet.2013.06.039
(2013)Doi:10.3987/COM-13-12663
(2013)Doi:10.4067/S0717-97072012000400023
(2012)
