Title:
シクロペンタ[g]キナゾリン誘導体の調製のための方法。
Document Type and Number:
Japanese Patent JP4405798
Kind Code:
B2
Abstract:
Cyclopenta[g]quinazolines of formula (I): and esters and amides thereof may be made by a process including the step of ring-closing a compound of formula (III): wherein R and Ar 1 are as defined above and X is an alkoxy, aryloxy or optionally substituted amino group;
or a protected derivative thereof;
to form a compound of formula (II): wherein R and Ar 1 are as defined above and X is an alkoxy, aryloxy or optionally substituted amino group;
or a protected derivative thereof.
Inventors:
Bavetsias, Basilios
Application Number:
JP2003524977A
Publication Date:
January 27, 2010
Filing Date:
August 30, 2002
Export Citation:
Assignee:
BTG International Limited
International Classes:
C07D239/90; A61K31/519; C07C233/43; C07C255/60; C07D239/70
Domestic Patent References:
| JP9512812A |
Other References:
ROTH,K.D. et al,Nicholas reactions of amines,Tetrahedron Letters,1993年,Vol.34, No.18,p.2919-22
Attorney, Agent or Firm:
Kazuo Shamoto
Tadashi Masui
Yasushi Kobayashi
Akio Chiba
Hiroyuki Tomita
Reiko Izumiya
Tadashi Masui
Yasushi Kobayashi
Akio Chiba
Hiroyuki Tomita
Reiko Izumiya