Tandem pinacol coupling-rearrangement of aromatic aldehydes with hydrogen catalyzed by a combination of a platinum complex and a polyoxometalate.
Together with a strongly oxidizing polyoxometalate, H(5)PV(2)Mo(10)O(40), Pt(II)(N-(2,6-diisopropylphenyl)pyrazin-2-ylmethanimine)Cl2 forms a combined catalyst that was active in the tandem pinacol coupling-rearrangement of aryl aldehydes to give mostly the corresponding diarylacetaldehyde in high yields using molecular hydrogen as the reducing agent.
Branytska
Olena
O
Department of Organic Chemistry, Weizmann Institute of Science, Rehovot, Israel76100.
Shimon
Linda J W
LJ
Neumann
Ronny
R