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Oxidative dehydrogenation of rosalva to costenal on supported silver catalysts

✍ Scribed by Pierre Gallezot; Laurent Ceroni; Alain Perrard

Publisher
Elsevier Science
Year
1998
Tongue
English
Weight
59 KB
Volume
129
Category
Article
ISSN
1381-1169

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✦ Synopsis

Ε½

. Ε½ . The synthesis of costenal dec-9-enal was achieved by oxidative dehydrogenation of rosalva dec-9-en-1-ol on silicon Ε½ . carbide supported silver catalysts 4.5% AgrSiC at 4508C in a flow reactor. The substrate was vapourized in a stream of Ε½ y1 . oxygen diluted with 25 volumes of nitrogen flow rate 140-650 l h . The optimum oxygen to substrate ratio was ca. 1.5.

Ε½ . The highest costenal yield 51% was obtained at 70% conversion as the contact time of the gas flow with the catalyst was Ε½ . the shortest 0.028 s . The activity was stable for a period of 96 h on stream. q 1998 Elsevier Science B.V.

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