March, 1951
THECloHlo FRACTION
[CONTRIBUTION FROM THE CENTRAL
1191
FROM CYCLO6CTATEl'RAENB PREPARATIONS
RESEARCH LABORATORIES, GENERALANILINE AND FILM CORPORATION]
Eight-membered Carbocycles. Identification of the CloHl0Fraction from Cyclooctatetraene Preparations BY L. E. CRAIGAND CLIFFORDE. LARRABEE
(--'
192 workers' isolated naphthalene, a small amount 188 of azulene, and hydrocarbons having the empirical formulas CloHlo and C12H12. The Ger- 9 1%. man workers obtained what they believed to 180, be two different CloHlo hydrocarbons, one 176 orange-yellow, the other, bright yellow. From a series of hydrogenation studies, no con172 clusive evidence was obtained as to their 4 168. structures, although the German workers ex164. pressed the belief that they were pure com160
. 1.5100
'
