| 摘要 |
A process for producing an vinylidene olefin of the formula <IMAGE> where R1 and R2 are the same or different and are hydrogen or alkyl and m is an integer of from 0 to 18, with a catalytically effective amount of a mixture of i) an aluminum compound of the formula R4nAl(OR5)p where R4 and R5 are the same or different and are alkyl, n is an integer from 0.75 to 2.75, and p is an integer from 0.25 to 2.25, the sum of n and p being 3, at a temperature of from about 120 DEG C. to about 200 DEG C. whereby a major amount of said vinylidene and deep internal olefin dimer is produced and only a minor amount of a beta internal olefin isomer.
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