C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
260/369, 260/280
C07D 301/06 (2006.01) C07D 303/04 (2006.01) C07D 303/06 (2006.01) C07D 303/10 (2006.01) C07D 303/16 (2006.01) C07D 303/22 (2006.01) C07D 303/38 (2006.01) C07D 303/40 (2006.01) C07D 401/06 (2006.01) C07D 405/06 (2006.01)
Patent
CA 1249595
K 541 A B S T R A C T PROCESS FOR OXIDATION OF OLEFINICALLY-UNSATURATED COMPOUNDS The invention provides a process for epoxidising an olefinic double bond in an olefinically-unsaturated compound other than an (.alpha.,.beta.)-unsaturated carboxylic acid or a compound containing a six- membered ring wherein 3 to 4 member atoms are carbon atoms having sp2 hybrid orbitals, by treatment of a liquid phase mixture of the olefinically-unsaturated compound, an aldehyde containing at least two carbon atoms and a suitable solvent with oxygen in the presence of a catalyst which is soluble in the reaction mixture and which comprises a praseodymium compound. The process has particularly advantageous application to oxidation of aldrin to dieldrin.
453439
Shell Canada Limited
Smart & Biggar
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