Title:
ポリエチレングリコールの誘導体およびその中間体の製造方法
Document Type and Number:
Japanese Patent JP5651291
Kind Code:
B2
Abstract:
To provide a simple method for producing a production intermediate of a polyethylene glycol derivative, and further to provide a large number of compounds useful as effective components of an antitumor agent by virtue of the method.
A polyethylene glycol monoether compound represented by formula (1) (in the formula, R represents a hydrocarbon group that may contain a substituent, and n represents a positive integer) or its salt is produced by using a compound resulting from esterifying one hydroxy group alone of a polyethylene glycol compound with a p-toluenesulfonyl group.
COPYRIGHT: (C)2010,JPO&INPIT
Inventors:
吉田 誠
山口 健太郎
金川 雅彦
山口 健太郎
金川 雅彦
Application Number:
JP2008104089A
Publication Date:
January 07, 2015
Filing Date:
April 11, 2008
Export Citation:
Assignee:
株式会社センカファーマシー
International Classes:
C07C43/23; C07C43/257; C07C47/575; C07C49/84; C07C65/21; C07C69/76; C07C255/54; C07D209/08; C07D215/20; C07D217/02; C07D249/20; C07D295/02; C07D295/14; C07D307/79; C07D311/04; C07D311/16; C07D317/48
Attorney, Agent or Firm:
Akio Miyazaki
Masaaki Ogata
Masaaki Ogata