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ChemicalBook CAS DataBase List CINNAMALDEHYDE DIETHYL ACETAL
7148-78-9

CINNAMALDEHYDE DIETHYL ACETAL synthesis

12synthesis methods
Cinnamaldehyde diethyl acetal is prepared by using cinnamaldehyde and triethyl orthoformate as raw materials, adding p-toluenesulfonic acid in absolute ethanol, and then heating and refluxing.
-

Yield:-

Steps:

Multi-step reaction with 2 steps
1: 1.) oxalyl chloride, DMSO, 2.) triethylamine / tetrahydrofuran / 1.) -30 deg C, 15 min, 2.) - 60 deg C --> room temperature, room temperature, 1 h
2: 45 percent / nBuLi / tetrahydrofuran / 1.) -60 deg C to room temperature, 2.) room temperature, 3 h

References:

Bernard, Didier;Doutheau, Alain;Gore, Jacques [Synthetic Communications,1987,vol. 17,# 15,p. 1807 - 1814]

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