253. ------. [BROOKS, R. E.] (E. I. du Pont de Nemours & Co.). Process for Production of 5-Carbon Acyclic Aldehydes. United States Patent 2,517,383, Aug. 1, 1950; appl. filed Nov. 13, 1947, Serial No. 785,799; 2 claims (Cl. 260-604). Chem. Abs., vol.

Patent Abstracts

253. ------. [BROOKS, R. E.] (E. I. du Pont de Nemours & Co.). Process for Production of 5-Carbon Acyclic Aldehydes. United States Patent 2,517,383, Aug. 1, 1950; appl. filed Nov. 13, 1947, Serial No. 785,799; 2 claims (Cl. 260-604). Chem. Abs., vol. 45, 1951. p. 1158.

Mixture of Co hydrogenation catalyst, 1-9 molar equivalents of CO and 3 H₂ is heated to 75º-200º C. at 500-1,500 atm. Butadiene is injected into the heated mixture. The molar ratio of butadiene to unreacted H₂ is kept<1:2. 1 United States patent cited.