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ChemicalBook CAS DataBase List Clorsulon
60200-06-8

Clorsulon synthesis

12synthesis methods
-

Yield:60200-06-8 82.5%

Reaction Conditions:

with ammonia;pyrographite in ethanol;lithium hydroxide monohydrate; for 1 h;Reflux;

Steps:

1.5 Preparation of 4-amino-6-trichloroethenyl-1,3-benzenedisulfonamide (Chlorosulfuron)

substance ethanol 100ml,Water 350ml,Stirring,Ammonia was added20 g,Activated carbon 2g,Heated to reflux for 1 hour,Hot filtration,Using 50 ml of ethanol and100kg water washed carbon residue,The filtrate was slowly cooled to 10 ° C,Filtration,dry,The chlorine Shulong finished 16. 5g,The yield was 82.5%.

References:

CN104230767,2016,B Location in patent:Paragraph 0035; 0036

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