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ChemicalBook CAS DataBase List 5-CHLOROVANILLIN
19463-48-0

5-CHLOROVANILLIN synthesis

13synthesis methods
-

Yield: 91%

Reaction Conditions:

with N-chloro-succinimide;dimethyl sulfoxide in chloroform at 25; for 12 h;Schlenk technique;Reagent/catalyst;

Steps:

39.a-39.b Example 39: Preparation of chlorovanillin (Compound 39)
a) Take a 25 mL Schlenk reaction tube, add 76.1 mg of vanillin, 79.8 mg of N-chlorosuccinimide, 7 μL of dimethyl sulfoxide, and 2 mL of chloroform, and stir for 12 hours at 25°C.After the reaction, the solvent was removed by rotary evaporation and column chromatography was separated to obtain 84.9 mg of chlorovanillin with a yield of 91%.

References:

CN112573978, 2021, A Location in patent:Paragraph 0250-0254

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