Organic compounds -- part of the class 532-570 series – Organic compounds – Carboxylic acid esters
Patent
1974-08-16
1977-09-27
Helfin, Bernard
Organic compounds -- part of the class 532-570 series
Organic compounds
Carboxylic acid esters
260598, 260617A, 260413, 260611V, 260240H, 2604056, 260404, 542429, 560104, C07C 6700, C07C 4500, C07C 4100, C07C 2900
Patent
active
040511740
ABSTRACT:
A process for isomerizing vitamin A and derivatives thereof utilizing either palladium or a palladium containing compound as a catalyst.
REFERENCES:
patent: 2849507 (1958-08-01), Isler et al.
patent: 3441623 (1969-04-01), Surmatis
Bergman, Isomerism and Isomerization (1948), pp. 27-50.
Cramer et al., J.A.C.S., vol. 88 (1966), pp. 3534-3539.
Stoller Hansjorg
Wagner Hans Peter
Epstein William H.
Gould George M.
Helfin Bernard
Hoffmann-La Roche Inc.
Welt Samuel L.
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