Title:
5員複素環をリチウム化する方法
Document Type and Number:
Japanese Patent JP4886111
Kind Code:
B2
Abstract:
The invention relates to a method of lithiating CH-acidic five-membered heterocycles whereby the five-membered heterocycle is reacted with metallic lithium in an ether-containing solvent in the presence of an H acceptor.
Inventors:
Uwe Rishka
Dieter Hauk
Peter Littmeier
Ulrich Wietermann
Dieter Hauk
Peter Littmeier
Ulrich Wietermann
Application Number:
JP2000578302A
Publication Date:
February 29, 2012
Filing Date:
October 21, 1999
Export Citation:
Assignee:
Chemetall GmbH
International Classes:
C07D207/323; C07D333/10; C07B61/00; C07D207/32; C07D209/08; C07D277/22; C07D277/32; C07D307/28; C07D307/36; C07D333/08; C07F1/02
Domestic Patent References:
| JPS62169741A | 1987-07-25 | |||
| JPH02145581A | 1990-06-05 |
Attorney, Agent or Firm:
Takuya Kuno
Toshio Yano
Takahashi
Kiyoshi Kuruma
Kimihiro Hoshi
Hiroyasu Ninomiya
Ryoichi Shino
Einzel Felix-Reinhard
Shuichi Sumiyoshi
Kawabe Sachiyo
Yasushi Miyagi
Toshio Yano
Takahashi
Kiyoshi Kuruma
Kimihiro Hoshi
Hiroyasu Ninomiya
Ryoichi Shino
Einzel Felix-Reinhard
Shuichi Sumiyoshi
Kawabe Sachiyo
Yasushi Miyagi