Asymmetric hydrogenation of α,β-unsaturated carboxylic acids in supercritical carbon dioxide

DOI: 10.1016/0040-4039(96)00436-4

Source and publish data:

Tetrahedron Letters p. 2813 - 2816 (1996)

Update date:2022-08-11

Topics:

Authors:

Xiao, Jianliang

Nefkens, Sylvia C. A.

Jessop, Philip G.

Ikariya, Takao

Noyori, Ryoji

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Article abstract of DOI:10.1016/0040-4039(96)00436-4

Hydrogenation of tiglic acid in supercritical CO₂ catalyzed by a chiral H₈-BINAP-Ru(II) complex proceeds cleanly with cis stereochemistry to afford 2-methylbutanoic acid in up to 89% ee and over 99% yield.

Full text of DOI:10.1016/0040-4039(96)00436-4

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