Chemosynthesis method of 4-bromomethyl-5-methyl-1,3-dioxy heterocyclic pentene-2-ketone

The invention provides a chemical synthesis method of 4-bromomethyl-5-methyl-1, 3-dioxa cyclopentene-2-ketone, which comprises using 4, 5-dimethyl-1, 3-dioxa cyclopentene-2-ketone as raw material and uses N-bromosuccinimide as bromination agent to be reacted in the presence of initiator and in organ...

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Bibliographic Details
Main Authors SU WEIKE, ZHONG JIANXIN, YU CHUANMING, XIE YUANYUAN, HE RENBAO, WANG YINGMEI
Format Patent
LanguageChinese
English
Published 15.09.2010
Subjects
CHEMISTRY
HETEROCYCLIC COMPOUNDS
METALLURGY
ORGANIC CHEMISTRY
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Summary:The invention provides a chemical synthesis method of 4-bromomethyl-5-methyl-1, 3-dioxa cyclopentene-2-ketone, which comprises using 4, 5-dimethyl-1, 3-dioxa cyclopentene-2-ketone as raw material and uses N-bromosuccinimide as bromination agent to be reacted in the presence of initiator and in organic solvent, separating and purifying the reaction liquor after the reaction, to obtain 4-bromomethyl-5-methyl-1, 3-dioxa cyclopentene-2-ketone. The chemical synthesis method of 4-bromomethyl-5-methyl-1, 3-dioxa cyclopentene-2-ketone has the advantages of reasonable process conditions, reliable and safe production, simple operation, little discharge of three wastes and benefit for industrial production.
Bibliography:Application Number: CN2008161290