Synthesis of and hydroformylation with fluoro-substituted bident

Details Synthesis of and hydroformylation with fluoro-substituted bident Synthesis of and hydroformylation with fluoro-substituted bident

1997-09-02

1998-06-30

Rotman, Alan L.

Organic compounds -- part of the class 532-570 series

Organic compounds

Phosphorus containing

568 17, 568454, C07F 952

Patent

active

057736618

ABSTRACT:
Hydroformylation of alkenes to aldehydes in the presence of a rhodium complex catalyst is improved by the addition of a novel bidentate ligand of the formula ##STR1## wherein R.sub.1, R.sub.2, R.sub.1 ' and R.sub.2 ' are organic radicals selected from alicyclic, aliphatic and aromatic groups of which at least one is preferably substituted with at least one electronegative moiety and the methylene groups are present at the trans-2,3 positions on the norbornane moiety. The invention also provides a novel method for producing the bidentate ligand and novel intermediate phosphine oxide and phosphinous acid compounds.

REFERENCES:
patent: 3949000 (1976-04-01), Violet
patent: 5268492 (1993-12-01), Yamamoto

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