Colloidal rhodium catalyzed photo transfer hydrogenation of 1,5-cyclooctadiene

Colloidal rhodium particles, photochemically generated from Rh 4CO) 12, via transfer hydrogenation, photochemically catalyzed the transformation of 1,5-cyclooctadiene (1,5-COD) to cyclooctene (COE) and then to cyclooctane (COA) in the presence of acetone, a triplet sensitizer, and 2-propanol, a hydr...

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Bibliographic Details
Published in:Journal of molecular catalysis. A, Chemical Chemical, 1995-05, Vol.98 (3), p.157-160
Main Authors: Hanaoka, Taka-aki, Kubota, Yoshihiro, Takeuchi, Kazuhiko, Matsuzaki, Takehiko, Sugi, Yoshihiro
Format: Article
Language:English
Subjects:
Chemistry
Colloidal catalyst
Cyclooctadiene
Dispersion effect
Exact sciences and technology
General and physical chemistry
Hydrogenation
Photocatalyst
Photochemistry
Physical chemistry of induced reactions (with radiations, particles and ultrasonics)
Rhodium
Selective hydrogenation
Transfer hydrogenation
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Summary:Colloidal rhodium particles, photochemically generated from Rh 4CO) 12, via transfer hydrogenation, photochemically catalyzed the transformation of 1,5-cyclooctadiene (1,5-COD) to cyclooctene (COE) and then to cyclooctane (COA) in the presence of acetone, a triplet sensitizer, and 2-propanol, a hydrogen donor. The hydrogenation rate of 1,5-COD was faster than that of COE by a factor of 4.3. Maximum selectivity of COE was found to be 85%.
ISSN:1381-1169
1873-314X
DOI:10.1016/1381-1169(95)00011-9