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ChemicalBook CAS DataBase List Cyclopropanecarboxaldehyde
1489-69-6

Cyclopropanecarboxaldehyde synthesis

9synthesis methods
Cyclopropanecarboxaldehyde is prepared by reaction of cyclopropylmethanol. The reaction needs reagent pyridinium chlorochromate and solvent CH2Cl2 with other condition of ambient temperature for 3 hours. The yield is about 60%.
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Yield:1489-69-6 91.2%

Steps:

3 Isomerization of DHF to CPCA

After an additional distillation for recovery of remaining DHF, crude CPCA was obtained which analyzed as follows: 91.2% CPCA, 5.7% crotonaldehyde, and 0.5% tetrahydrofuran.

References:

US4275238,1981,A

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