Hydrochloric Acid → Cyclopentanecarboxaldehyde, 2,2,5,5-tetramethyl-

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Reaction Steps

10 g of 2,2,5,5-tetramethylcyclopentylidenemethyl methyl ether was dissolved in 100 ml of tetrahydrofuran, and 50 ml of 6N-hydrochloric acid was added thereto. The mixture was vigorously stirred at room temperature for 3 hours, and then treated in the same manner as in Example 11 to obtain 8.60 g of 1-formyl-2,2,5,5-tetramethylcyclopentane yield 94%.

Provenance & Evidence