Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
DIPHENHYDRAMINE-ACESULFAME ADDUCT, METHOD FOR PRODUCING THE SAME AND ORAL PREPARATION CONTAINING THE ADDUCT
Document Type and Number:
Japanese Patent JP2009007311
Kind Code:
A
Abstract:

To obtain a new diphenhydramine derivative that has a pharmacological activity as an antihistaminic agent and a sleep-introducing agent and alleviated bitterness; to provide a method for producing the same; and to obtain an oral preparation composed of the diphenhydramine derivative as an active ingredient.

The diphenhydramine-acesulfame adduct has a structure represented by formula (I). The method for producing the adduct includes bringing a diphenhydramine cation-containing water-soluble salt into contact with an acesulfame anion-containing water-soluble salt in a water-based medium. The oral preparation contains the adduct.


Inventors:
SUZUKI EIJI
SUGIURA YUSAKU
KATA AKIO
Application Number:
JP2007171818A
Publication Date:
January 15, 2009
Filing Date:
June 29, 2007
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
LINTEC CORP
ZERIA PHARM CO LTD
International Classes:
C07C217/10; A61K31/135; A61K31/54; A61K47/22; A61P25/20; A61P43/00; C07D291/06
Domestic Patent References:
JP2004527491A2004-09-09
JP2006524675A2006-11-02
JP2004515478A2004-05-27
Foreign References:
WO2005117895A22005-12-15
WO2005094832A12005-10-13
US20020022057A12002-02-21
Attorney, Agent or Firm:
Alga Patent Office, a patent business corporation
Miyuki Ariga
Toshio Takano
Toshio Nakajima
Masaki Murata
Hiroto Yamamoto
Hiromi Matoba
Moriya Kataka
Ohno Shiki
Masahiro Matsuda
Tomohisa Suzuki