METHOD OF PRODUCING A PYRAZOLAMIDE COMPOUND Russian patent published in 2020 - IPC C07D231/12 C07C43/23 

Abstract RU 2736722 C2

FIELD: chemical or physical processes.

SUBSTANCE: invention relates to versions of a method of producing a compound of formula [I], or a hydrate thereof, which can be used as inhibitors of pyruvate dehydrogenase. In one version, the method includes a step of converting a compound of formula [II], or a methanol solvate thereof, into a compound, represented by formula [IV], a coupling reaction with a compound of formula [III], in the presence of a palladium catalyst, an alkali metal carbonate and a carboxylic acid; a step for hydrolysis of the compound of formula [IV] described above to convert it into a compound represented by formula [V] and a step for reacting the compound of formula [V] described above with ammonia in the presence of a condensing agent. Invention also relates to intermediate compounds of formulas [IV], [II], [IIm], [III] and to a method of producing a compound of formula [IV].

EFFECT: disclosed is a method of producing a pyrazolamide compound.

13 cl, 1 ex

Similar patents RU2736722C2

Title Year Author Number
TRIAZOLOPYRIDINE COMPOUND AND ACTION THEREOF AS PROLYL HYDROXYLASE INHIBITOR AND ERYTHROPOIETIN PRODUCTION INDUCER 2010
  • Mitani Ikuo
  • Ogosi Esuke
  • Matsui Takuja
  • Jokota Masakhiro
  • Terasita Masakazu
  • Motoda Dai
  • Jujama Kazukhito
  • Abe Khirojuki
  • Khotta Takakhiro
  • Ito Takasi
RU2538963C2
3,5-DISUBSTITUTED ALKYNYLBENZENE COMPOUND AND SALT THEREOF 2013
  • Sagara Takesi
  • Ito Satoru
  • Otsuki Satie
  • Sootome Khirosi
RU2576384C1
PYRAZOLE-AMIDE COMPOUND AND MEDICINAL USES THEREFOR 2014
  • Motomura Takakhisa
  • Semi Gakudzun
RU2664532C2
QUINOLYL PYRROLE PYRIMIDYL CONDENSED COMPOUND OR SALT THEREOF 2013
  • Sagara Takesi
  • Ito Satoru
  • Otsuki Satie
  • Nonosita Katsumasa
RU2581039C1
BENZOPYRROLE DERIVATIVES CONTAINING HEXAHYDROPYRIDINE CYCLE 2005
  • Suzuki Juiti
  • Ito Koiti
  • Sasaki Atsusi
  • Ueno Kosi
  • Sakai Mijuki
  • Isikhara Khiroki
  • Kubota Atsukhiko
RU2332413C1
AZOLE-SUBSTITUTED PYRIDINE COMPOUND 2017
  • Tanaka Hiroaki
  • Bohno Ayako
  • Hamada Makoto
  • Ito Yuji
  • Kobashi Yohei
  • Kawamura Madoka
RU2730498C2
NEW CYANOPYRIMIDINE DERIVATIVE 2010
  • Sato Norifumi
  • Juki Jokhej
  • Sinokhara Khisasi
  • Takedzi Jasukhiro
  • Ito Kuni
  • Mitikami Dajsaku
  • Khino Kejsuke
  • Jamazaki Khirojuki
RU2533115C2
BENZOXAZOLE DERIVATIVE, MEDICINAL AGENT BASED ON THEREOF AND METHOD OF TREATMENT OF IRRITABLE BOWEL SYNDROME STATE OR FUNCTIONAL GASTRO- ENTERIC TRACT DISTURBANCE 1999
  • Siokava Sodziro
  • Sato Jasuo
  • Izumi Masaaki
  • Esida Satosi
  • Ito Tomoko
  • Nisato Tetsutaro
  • Murakami Khirosi
RU2204558C2
RUBBER COMPOSITION 2012
  • Vatanabe Esuke
  • Ozturk Orkhan
  • Uekita Jasuo
RU2605122C2
ANTI-Helicobacter pylori AGENT, INHIBITING GASTRIC JUICE SECRETION 2007
  • Ito Masakharu
  • Jamamoto Masaiti
RU2451682C2

RU 2 736 722 C2

Authors

Motomura, Takahisa

Inoue, Masafumi

Ito, Hirotsugu

Matsuo, Takuya

Suzawa, Koichi

Yamamoto, Hiroshi

Takeichi, Tsubasa

Kajimoto, Yasuyuki

Inaba, Takashi

Ito, Takao

Yamasaki, Takahiro

Ikemoto, Yukishige

Dates

2020-11-19Published

2017-07-28Filed