Chemistry of carbon compounds – Miscellaneous organic carbon compounds – C-metal
Patent
1981-05-15
1982-03-23
Niebling, John F.
Chemistry of carbon compounds
Miscellaneous organic carbon compounds
C-metal
2604056, C11C 314
Patent
active
043212107
ABSTRACT:
Cyclopropenoid compounds such as malvalic and sterculic fatty acids found in sterculia oil are rearranged substantially quantitatively to conjugated dienes when heated in the presence of a rhodium catalyst. The dienes can thereafter be reduced to the corresponding branched chain derivatives by means of hydrogenation with the same catalyst. Both the diene and branched derivatives have application in the production of plastics, coatings, lubricants, soaps, cosmetics, and other commercial products.
REFERENCES:
patent: 3201431 (1965-08-01), Merker et al.
D. V. Kinsman, "Isostearic and Other Branched Acids," JAOCS 56(11): 823A-827 A (1979).
Hutchins et al., "A New Process for the Selective Hydrogenation of Cyclopropenoids in Cottonseed Oil," JAOCS 45(5): 397-399 (1968).
Zarins et al., "Reaction of Cyclopropene Esters with Hydrogenation Catalysts," JAOCS 47(6): 215-218 (1970).
Shimadate et al., "The Isomerization of 1,2-Di-n-octylcyclopropene with Alumina," J. Org. Chem. 29(2): 485-487 (1964).
Kai Yoshinori
Pryde Everett H.
McConnell David G.
Niebling John F.
Ribando Curtis P.
Silverstein M. Howard
The United States of America as represented by the Secretary of
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