Title:
NOVEL ZINC AZIDE COMPLEX AND A PROCESS FOR PREPARING TETRAZOLE DERIVATIVES USING THE SAME
Document Type and Number:
WIPO Patent Application WO/2012/148148
Kind Code:
A9
Abstract:
The present invention relates to a novel zinc azide complex. The present invention also relates to a process for preparing 5-substituted-1H-tetrazole derivatives from nitrile derivatives by using the zinc azide complex. According to the present invention, in particular, pharmaceutically active compounds for treating hypertension or intermediates useful for preparation thereof can be prepared effectively.
Inventors:
KIM BYEONG CHEOL (KR)
AHN SEI CHANG (KR)
SHIN HYUN IK (KR)
LEE IN SANG (KR)
KIM YOUNG KEUN (KR)
AHN SEI CHANG (KR)
SHIN HYUN IK (KR)
LEE IN SANG (KR)
KIM YOUNG KEUN (KR)
Application Number:
PCT/KR2012/003135
Publication Date:
February 14, 2013
Filing Date:
April 24, 2012
Export Citation:
Assignee:
LG LIFE SCIENCES LTD (KR)
KIM BYEONG CHEOL (KR)
AHN SEI CHANG (KR)
SHIN HYUN IK (KR)
LEE IN SANG (KR)
KIM YOUNG KEUN (KR)
KIM BYEONG CHEOL (KR)
AHN SEI CHANG (KR)
SHIN HYUN IK (KR)
LEE IN SANG (KR)
KIM YOUNG KEUN (KR)
International Classes:
C07F3/06; A61K31/41; A61P9/12; C07D257/04
Attorney, Agent or Firm:
CHOI, Kyu Pal (824-11 Yeoksam-dong, Kangnam-gu, Seoul 135-080, KR)
Download PDF:
Claims:
Previous Patent: GRASS PROTECTION MAT
Next Patent: COOLING SYSTEM USING NATURAL CIRCULATION OF WATER BOILED AT A LOW TEMPERATURE
Next Patent: COOLING SYSTEM USING NATURAL CIRCULATION OF WATER BOILED AT A LOW TEMPERATURE