Preparation of refined solid N, N-dimethyl-2,3-dichloropropylamino hdrochloride

The present invention provides a method for directly preparing N,N-dimethyl-2,3-dichloropropylamine hydrochloride (1) solid refined product. (CH3)2N-CH2-CHcl-CH2cl.Hcl-(1) is an important intermediate for preparing nereistoxin pesticide. Said invention adopts the steps of cooling, crystallizing and...

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Bibliographic Details
Main Authors ZHUANG TANG, CHENGGANG DUAN
Format Patent
LanguageEnglish
Published 03.01.2001
Edition7
Subjects
ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
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Summary:The present invention provides a method for directly preparing N,N-dimethyl-2,3-dichloropropylamine hydrochloride (1) solid refined product. (CH3)2N-CH2-CHcl-CH2cl.Hcl-(1) is an important intermediate for preparing nereistoxin pesticide. Said invention adopts the steps of cooling, crystallizing and separating after chlorization to directly prepare said solid refined product. Its solvent can be recovered, and reused, and said invention can eliminate side reaction and can raise purity and yield of said product.
Bibliography:Application Number: CN1999108809