Antitumor Agents. 5. Synthesis, Structure−Activity Relationships, and Biological Evaluation of Dimethyl-5H-pyridophenoxazin-5-ones, Tetrahydro-5H-benzopyridophenoxazin-5-ones, and 5H-Benzopyridophenoxazin-5-ones with Potent Antiproliferative Activity
摘要:
New antiproliferative compounds, dimethyl-5H-pyrido[3,2-a] phenoxazin-5-ones (1-6), tetrahydro-5-Hbenzopyrido[2,3-j]phenoxazin-5-ones (7-9), and 5H-benzopyrido[3,2-a] phenoxazin-5-ones (10-12) were synthesized and evaluated against representative human neoplastic cell lines. Dimethyl derivatives 1-6 were more active against carcinoma than leukemia cell lines. The tetrahydrobenzo derivatives 7-9 were scarcely active, whereas the corresponding benzo derivatives 10-12 showed notable cytotoxicity against a majority of the tested cell lines. Molecular modeling studies indicated that the high potency of 10 and 11, the most cytotoxic compounds of the whole series, could be due to the position of the condensed benzene ring, which favors d-d stacking interactions with purine and pyrimidine bases in the DNA active site. Biological studies suggested that 10-12 have no effect on human topoisomerases I and II and that they induce arrest at the G2/M phase.
[EN] METHOD FOR INDUSTRIALLY PREPARING NITROGEN SUBSTITUTED AMINO-5,6,7,8-TETRAHYDRONAPHTHOL<br/>[FR] PROCÉDÉ POUR LA PRÉPARATION INDUSTRIELLE D'AMINO-5,6,7,8-TÉTRAHYDRONAPHTOL SUBSTITUÉ PAR AZOTE
申请人:SHAN DONG LUYE PHARM CO LTD
公开号:WO2013000273A1
公开(公告)日:2013-01-03
A method for industrially preparing a nitrogen substituted 6-amino-5,6,7,8-tetrahydronaphthol is disclosed. The method comprises reacting a nitrogen substituted amino-5,6,7,8-tetrahydronaphthol compound of formula (II) with a 2-substituted ethyl sulfonate compound of formula (III) under an alkaline condition and in the presence of a sulfite.
METHOD FOR INDUSTRIALLY PREPARING NITROGEN SUBSTITUTED AMINO-5,6,7,8-TETRAHYDRONAPHTHOL
申请人:Meng Qingguo
公开号:US20140121380A1
公开(公告)日:2014-05-01
A method for industrially preparing a nitrogen substituted 6-amino-5,6,7,8-tetrahydronaphthol is disclosed. The method comprises includes reacting a nitrogen substituted amino-5,6,7,8-tetrahydronaphthol compound of formula (II) with a 2-substituted ethyl sulfonate compound of formula (III) under an alkaline condition and in the presence of a sulfite.
Processes for the Preparation of Rotigotine and Intermediates Thereof
申请人:Apotex Inc.
公开号:US20170305877A1
公开(公告)日:2017-10-26
The present invention provides processes for the preparation of a compound of Formula 2 or a salt thereof, wherein R
1
is selected from the group consisting of H, C
1
-C
3
alkyl, and C(0)R
3
; R
3
is selected from the group consisting of C
1
-C
6
alkyl, C
6
-C
10
aryl and C
7
-C
20
arylalkyl; the carbon atom marked with “*” is racemic, enantiomerically enriched in the (R)-configuration, or enantiomerically enriched in the (S)-configuration. Also provided are intermediate compounds of the processes.
Schroeter, Justus Liebigs Annalen der Chemie, 1922, vol. 426, p. 132
作者:Schroeter
DOI:——
日期:——
ENDODONTIC POST SYSTEM
申请人:APOTEX INC.
公开号:US20160297745A1
公开(公告)日:2016-10-13
The present invention provides processes for the preparation of a compound of Formula 2 or a salt thereof, wherein R
1
is selected from the group consisting of H, C
1
-C
3
alkyl, and C(0)R
3
; R
3
is selected from the group consisting of C
1
-C
6
alkyl, C
6
-C
10
aryl and C
7
-C
20
arylalkyl; the carbon atom marked with “*” is racemic, enantiomerically enriched in the (R)-configuration, or enantiomerically enriched in the (S)-configuration. Also provided are intermediate compounds of the processes.