5-CHLOROVANILLIN synthesis
- Product Name:5-CHLOROVANILLIN
- CAS Number:19463-48-0
- Molecular formula:C8H7ClO3
- Molecular Weight:186.59
121-33-5
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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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