Chloropyrimidines as a new class of antimicrobial agents
摘要:
In the course of our investigations of pyrimidines as antimycotic agents, we have identified a sub-class, with significant in vitro activity against mycobacteria. The salient feature of these pyrimidine derivatives (3a-o and 7a,b) is their appended aryl, heteroaryl and alkylthio substituent at position 6 and also alkylthio substituent at position 2. The rational design, synthesis, and evaluation of the in vitro antibacterial activity against six pathogenic bacteria including virulent and non-virulent strains of Mycobacterium tuberculosis is described. Some of the synthesized compounds (3c, 3h, 3i, 3o) have displayed only potent in vitro antimycobacterial activity with MIC of 0.75 mug/mL except 3i which also demonstrated activity against Escherichia coli at 12.5 mug/ mL concentration. Only two compounds, 3a and 3b, demonstrated antibacterial activity against Pseudomonas aeruginosa and E. coli with MIC 12.5 mug/mL. All the synthesized compounds were also evaluated for their antimycotic activity against five pathogenic fungi but only some of them 3j-n and 7a,b were found most potent against Aspergillus fumigatus and Trichophyton mentagrophytes. (C) 2002 Elsevier Science Ltd. All rights reserved.
Novel thienopyrimidines of the formula (I), in which R
1
, R
2
and X have the meanings indicated in Claim
1
, are inhibitors of TGF-beta receptor kinase, and can be employed, inter alia, for the treatment of tumours.
Synthesis and in vitro investigation of novel cytotoxic pyrimidine and pyrazolopyrimidne derivatives showing apoptotic effect
作者:Fatma A. Ragab、Yassin M. Nissan、Emad M. Seif、Ahmed Maher、Reem K. Arafa
DOI:10.1016/j.bioorg.2020.103621
日期:2020.3
A series of novelderivatives of hydrazinylpyrimidines, pyrazolylpyrimidines and 3-amino[3,4-d]pyrazolopyrimidines have been synthesized and tested for their in vitrocytotoxic activity against 60 tumor cell lines by NCI. The in vitrocytotoxic IC50 values for the most active compounds were determined against the colon-KM12 cell line (5d, 7c and 7d), breast-MCF-7 (6a) and melanoma-MDA-MB-435 (6h) using
[EN] SUBSTITUTED PYRIMIDINE FOR THE TREATMENT AND PROPHYLAXIS OF HEPATITIS B VIRUS INFECTION<br/>[FR] PYRIMIDINE SUBSTITUÉE POUR LE TRAITEMENT ET LA PROPHYLAXIE D'UNE INFECTION PAR LE VIRUS DE L'HÉPATITE B
申请人:HOFFMANN LA ROCHE
公开号:WO2021063852A1
公开(公告)日:2021-04-08
The present invention provides novel compounds having the general formula: wherein R1 to R4, L1, L2 and X are as described herein, compositions including the compounds and methods of using the compounds.
Ram, Vishnu Ji; Haque, Navedul; Guru, P. Y., Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 1991, vol. 30, # 10, p. 962 - 965
作者:Ram, Vishnu Ji、Haque, Navedul、Guru, P. Y.、Shoeb, A.