METHOD FOR PREPARING SUBSTITUTED IMIDAZOPYRIDINE Russian patent published in 2006 - IPC C07D471/04 

Abstract RU 2275372 C2

FIELD: organic chemistry, chemical technology.

SUBSTANCE: invention describes a method for preparing substituted imidazopyridine of the general formula (1): wherein R1 means (C1-C6)-alkoxy-group or -NH2. Method involves interaction of compound of the formula (2): with 3-halogen-2-butanone in cyclohexanone medium at temperature 80-100°C. Using cyclohexanone as a solvent allows reducing the process period and to enhance the yield of the end product.

EFFECT: improved preparing method.

9 cl, 19 ex

Similar patents RU2275372C2

Title Year Author Number
DERIVATIVES OF IMIDAZOPYRIDINE, METHOD FOR THEIR PREPARING AND INTERMEDIATE COMPOUNDS, PHARMACEUTICAL PREPARATION BASED ON THEREOF (VARIANTS), METHOD FOR INHIBITION OF GASTRIC ACID SECRETION AND METHOD FOR TREATMENT OF STATES ASSOCIATED WITH HELICOBACTER PYLORI INFECTION 1999
  • Amin Kosrat
  • Dal'Strem Mikaehl'
  • Nordberg Peter
  • Starke Ingemar
RU2235725C2
DERIVATIVES OF IMIDAZO[1,2-A]PYRIDINE, METHODS OF THEIR SYNTHESIS, PHARMACEUTICAL PREPARATION BASED ON THEREOF, METHOD OF INHIBITION OF GASTRIC ACID SECRETION, METHOD OF TREATMENT OF GASTROENTERIC INFLAMMATORY DISEASES AND METHOD OF TREATMENT OF STATES WITH HELICOBACTER PYLORI INFECTION 1998
  • Amin Kosrat
  • Dal'Strem Mikaehl'
  • Nordberg Peter
  • Starke Ingemar
RU2193036C2
IMIDAZOPYRIDINE AZOLIDINONES AND THEIR SALTS, DRUG 1995
  • Gerkhard Grundler
  • Georg Rajner
  • Jorg Zenn-Bil'Finger
  • Ul'Rikh Tibaut
  • Vol'Fgang-Aleksander Zimon
  • Richard Ridel'
  • Stefan Postius
  • Khans-Peter Klej
RU2138501C1
IMIDAZO[1,2-A]PYRIDINE DERIVATIVES, METHODS FOR PRODUCTION THEREOF AND USE THEREOF 2017
  • Kim, Jeongmin
  • Lee, Hyunho
  • Chun, Kwangwoo
  • Park, Chun-Ho
  • Jang, Eunsung
  • Park, Yoonsun
  • Kim, Joseph
RU2725147C1
2-THIO SUBSTITUTED DERIVATIVES OF IMIDAZOLE AND THEIR USE IN PHARMACEUTICALS 2003
  • Laufer Shtefan
  • Shtrigel' Khans-Gjunter
  • Toll'Mann Karola
  • Al'Brekht Vol'Fgang
RU2331638C2
GASTRIC ACID SECRETION-INHIBITING IMIDAZOPYRIDINE DERIVATIVES 2009
  • Dakhlstrem Mikaehl'
RU2509771C2
CARBOXANILIDES, ARTHROPOCYDIC COMPOSITION AND METHOD FOR CONTROL OF ARTHROPODS 1991
  • Gehri Dehvid Ehnnis[Us]
  • Uil'Jam Ehldo Barnett[Us]
  • Stiven Frederik Makkehnn[Us]
  • Kejt Djumont Uing[Us]
RU2096409C1
ISOQUINOLINONE DERIVATIVES USEFUL IN TREATING CANCER 2015
  • Kalun El Bakhir
  • Shmitt Filipp
  • Kryuzinski Anna
RU2690853C2
ARYLSULFONYLMETHYL OR ARYLSULFONAMIDE DERIVATIVES OF AROMATICS, PHARMACEUTICAL COMPOSITION BASED ON THEM AND WAY OF TREATMENT AGAINST ABNORMALITIES RESPONSIVE TO DOPAMINE D RECEPTOR LIGAND TREATMENT, WITH THEIR HELP 2005
  • Anri Kristof
  • Braje Vil'Frid
  • Grandel' Roland
  • Dresher Karla
  • Terner Shon K.
  • Unger Liliana
  • Khaupt Andreas
RU2442781C2
NEW IMIDAZOPYRIDINE COMPOUND I WITH THERAPEUTIC EFFECT 2004
  • Nordberg Peter
RU2348634C2

RU 2 275 372 C2

Authors

Ehl'Man B'Ern

Ehrbak Sil'Ke

Timermann Ehrik

Dates

2006-04-27Published

2001-09-05Filed