期刊
ADVANCED SYNTHESIS & CATALYSIS
卷 345, 期 1-2, 页码 172-174出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adsc.200390006
关键词
alcohols; aldehydes; allylic compounds; hydrogenation; regioselectivity; ruthenium complexes
In a water/chlorobenzene biphasic reaction, the hydrogenation of trans-cinnamaldehyde, catalyzed by water-soluble Ru(II)-phosphane complexes at pH 3.04 (phosphate buffer), produces a 61:39 mixture of cinnamyl alcohol and dihydrocinnamaldehyde at 1 bar H-2; however, the selectivity is increased to 93:7 by increasing the hydrogen pressure to 8 bar.
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