Journal of Organometallic Chemistry p. 119 - 121 (1983)
Update date:2022-07-31
Topics:
Kohl, Franz X.
Jutzi, Peter
An inexpensive three-step synthesis for large-scale preparation of 1,2,3,4,5-pentamethylcyclopentadiene is reported.Improvement of Burger's route involving 2,3,5,6-tetrahydro-2,3,5,6-tetramethyl-γ-pyrone and 2,3,4,5,-tetramethylcyclopent-2-enone raised the overall yield to about 34percent of the desired compound (originally 8percent).
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