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Title:
ハロゲノ-o-ヒドロキシジフェニル化合物の製造方法
Document Type and Number:
Japanese Patent JP4272271
Kind Code:
B2
Abstract:
There is described a four step process for the production of halogeno-o-hydroxydiphenyl compounds having the formulain which X is -O-or -CH2-;m is 1 to 3; andn is 1 or 2;wherein in the first step, a diphenyl compound is chlorinated; in a second step the chlorinated compound is acylated in a Friedel-Crafts reaction and optionally again chlorinated after the acylation; in a third step the acyl compound is oxidised; and in a fourth step the oxidized compound is hydrolyzed.The compounds of formula (1) are useful for the protection of organic materials against microorganisms.

Inventors:
Slender Umesh Kulkarni
Vadiraj Svannah Eckundy
Pradeep Jiva Gina Dokarni
Chandrasekhar Dayal Mudariya
Kishore Ramachandra Nivalcar
Application Number:
JP2370898A
Publication Date:
June 03, 2009
Filing Date:
February 05, 1998
Export Citation:
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Assignee:
Ciba Holding Inc.
International Classes:
A61K8/00; A01N31/08; C07C41/26; A01N31/16; A01P3/00; A61Q19/10; C07C17/10; C07C37/56; C07C39/367; C07C41/18; C07C41/22; C07C43/295; C07C45/46; C07C49/84; C07C67/42
Domestic Patent References:
JP42002578B1
JP3501851A
JP10259154A
Other References:
J. Med. Chem.,1983年,Vol.26,p.1353-1360
J. Org. Chem.,1985年,Vol.55,p.2145-2148
Attorney, Agent or Firm:
Masao Okabe
Nobuaki Kato
Kazuo
Shinichi Usui
Ikuo Fujino
Takao Ochi
Teruhisa Motomiya
Norimichi Takanashi
Asahi Shinmitsu
Seiichiro Takahashi
Koji Yoshizawa