Palmer, Brian D.; Thompson, Andrew M.; Booth, R. John; Dobrusin, Ellen M.; Kraker, Alan J.; Lee, Ho H.; Lunney, Elizabeth A.; Mitchell, Lorna H.; Ortwine, Daniel F.; Smaill, Jeff B.; Swan, Leesa M.; Denny, William A. published an article about the compound: 5-Methoxy-1H-indole-2-carbaldehyde( cas:21778-81-4,SMILESS:O=CC(N1)=CC2=C1C=CC(OC)=C2 ).Application of 21778-81-4. Aromatic heterocyclic compounds can be classified according to the number of heteroatoms or the size of the ring. The authors also want to convey more information about this compound (cas:21778-81-4) through the article.
High-throughput screening has identified a novel class of inhibitors of the checkpoint kinase Wee1, which have potential for use in cancer chemotherapy. These inhibitors, e.g. I (R = H, 2-FC6H4, 3-NCC6H4, 2,6-Br2C6H3, 2-thienyl, 3-pyrrolyl, 3-pyridyl, etc.), are based on a 4-phenylpyrrolo[3,4-c]carbazole-1,3(2H,6H)-dione template and have been shown by X-ray crystallog. to bind at the ATP site of the enzyme. An extensive study of the effects of substitution around this template has been carried out, which has identified substituents which lead to improvements in potency and selectivity for Wee1. While retention of the maleimide ring and pendant 4-Ph group is necessary for potency, replacement of the carbazole nitrogen by oxygen is well tolerated and results in improved Wee1 selectivity against the related checkpoint kinase Chk1. Wee1 potency and selectivity are also enhanced by the incorporation of lipophilic functionality at the 2′-position of the 4-Ph ring, and Wee1 selectivity against Chk1 is favored by C3-C5 alkyl substitution of the carbazole nitrogen. These studies provide a basis for the design of active analogs of the pyrrolocarbazole lead with improved phys. properties.
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Reference:
Pyridazine – Wikipedia,
Pyridazine | C4H4N2 – PubChem