Title:
ピロール化合物の製造法
Document Type and Number:
Japanese Patent JP6794356
Kind Code:
B2
Abstract:
A method for producing a compound represented by the formulawherein R1 is an optionally substituted hydrocarbon group or an optionally substituted heterocyclic group, and R2 is a hydrogen atom, an optionally substituted hydrocarbon group, an optionally substituted heterocyclic group, a chlorine atom or a fluorine atom, or a salt thereof, comprising subjecting a compound represented by the formulawherein each symbol is as defined above, or a salt thereof to a reduction reaction, and then to hydrolysis, wherein the reduction reaction is a continuous hydrogenation in a fixed bed reactor filled with a supported metal catalyst.
Inventors:
Taku Ouchi
Kogiho
Kim Sung-mi
Chosun Seung
Bokhonsu
Kogiho
Kim Sung-mi
Chosun Seung
Bokhonsu
Application Number:
JP2017526394A
Publication Date:
December 02, 2020
Filing Date:
June 29, 2016
Export Citation:
Assignee:
Takeda GmbH
International Classes:
C07C253/30; B01J23/44; B01J25/02; B01J29/16; C07C255/61; C07D207/323; C07D207/34; C07D401/12
Domestic Patent References:
| JP7206784A | ||||
| JP2270829A | ||||
| JP2013040169A | ||||
| JP2009539858A |
Foreign References:
| WO2010098351A1 | ||||
| WO2005039766A1 |
Other References:
中林麻美子ほか,水素エネルギーシステム,1993年,Vol.18 No.2,p.28-35
Attorney, Agent or Firm:
Takashima Ichi
Kyoko Doi
Mitsunori Kamata
Yaeko Tamura
Junzo Koike
Hirofumi Toma
Atsuko Akai
Tomiya Tozaki
Kyoko Doi
Mitsunori Kamata
Yaeko Tamura
Junzo Koike
Hirofumi Toma
Atsuko Akai
Tomiya Tozaki