Title:
METHOD FOR PRODUCING CARBOXYLIC ACID CHLORIDE HAVING SLIGHT DISCOLORATION
Document Type and Number:
Japanese Patent JP2002363130
Kind Code:
A
Abstract:
To readily produce a high-purity carboxylic acid chloride in a high yield in a slight discoloration without requiring a distillation process, which was difficult in the past.
A carboxylic acid is reacted with phosgene in the presence of an amide compound catalyst such as an amide compound, etc., to give a reaction mixture containing a carboxylic acid chloride, which is brought into contact with chlorine.
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Inventors:
HANDA SHIGERU
KASHIYAMA YOSHITOMO
TAKEI RYUTARO
KASHIYAMA YOSHITOMO
TAKEI RYUTARO
Application Number:
JP2001163711A
Publication Date:
December 18, 2002
Filing Date:
May 31, 2001
Export Citation:
Assignee:
ASAHI PENN CHEMICAL CO LTD
International Classes:
C07C51/60; C07B61/00; C07C53/126; C07C61/09; C07C63/15; (IPC1-7): C07C51/60; C07C53/126; C07C61/09; C07C63/15
Attorney, Agent or Firm:
Kenji Izumina (2 outside)
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