Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
TETRAHYDROPROTOBERBERINE QUATERNARY AMMONIUM COMPOUND AND PRODUCTION THEREOF
Document Type and Number:
Japanese Patent JPH07109276
Kind Code:
A
Abstract:

PURPOSE: To provide a novel compd. which can suppress arrhythmia and ventricular fibrillation, protect against myocardial ischemia, and can be orally administered.

CONSTITUTION: A compd. of the formula [wherein R is 2,3-O-CH2-O or 2,3-(CH3O)2; R' is -CH3, -CH2CH=CH2, -CH2COOC2H5, or the like; and X is I, Br, or Cl] is provided, which is prepd. by reducing protoberberine with potassium boron hydride and reacting the resulting tetrahydroprotoberberine with a halogenated hydrocarbon in acetone or ethanol at 100-110°C for 1.5-10 hr. The compd. does not cause side effect, has no toxicity, can be administered parenterally, esp. intravenously, and also orally, and can be obtd. at a high purity in a high yield by a simple and convenient means.


Inventors:
PEN SHISUN
DAI DEZAI
FUAN TSUENYA
FUAN UENRON
WAN YOUKUN
TSUAN KAN
YU FUEN
Application Number:
JP28330792A
Publication Date:
April 25, 1995
Filing Date:
October 21, 1992
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
CHIYAINA PHARMACEUT UNIV
ADOMINISUTOREETEIBU CENTER OF
International Classes:
A61K31/435; A61P9/00; A61P9/06; A61P9/10; C07D455/03; (IPC1-7): C07D455/03; A61K31/435
Domestic Patent References:
JPS53130697A1978-11-14
Attorney, Agent or Firm:
Shunichiro Suzuki