18640-60-3Relevant articles and documents
A 1H-indazole derivatives preparation method
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Paragraph 0035-0038, (2017/02/24)
The invention provides a method for preparing 3-methyl-5-R-1H-indazole easily, safely and efficiently without performing any hydrazine hydrate reflux heating reaction or purifying a product and making the product pass through a column. The method at least comprises the following steps of: a, performing a diazo-reaction on 2-amino-5-R-hypnone serving as a raw material or an intermediate under the condition of an acid solution to generate a diazo salt; b, slowly adding a stannous chloride-hydrate hydrochloric acid solution into the diazo salt obtained in the step a for reacting to generate a 3-methyl-5-R-1H-indazole solution; and c, cooling the solution obtained in the step b under the condition that the pH value is 8-9, and precipitating a product out, wherein R in the steps above represents H or a halogen element.
De novo design, synthesis and biological evaluation of 1,4-dihydroquinolin- 4-ones and 1,2,3,4-tetrahydroquinazolin-4-ones as potent kinesin spindle protein (KSP) inhibitors
Jiang, Cheng,Yang, Lei,Wu, Wu-Tong,Guo, Qing-Long,You, Qi-Dong
experimental part, p. 5612 - 5627 (2011/10/13)
Kinesin spindle protein (KSP) inhibitors are a promising class of anticancer agents that cause mitotic arrest in cells from a failure to form functional bipolar mitotic spindles. Here, we report the design, synthesis and biological evaluation of a novel series of 1,4-dihydroquinolin-4-ones and 1,2,3,4-tetrahydroquinazolin-4-ones using de novo design method. The synthesized compound was evaluated and proved to have potent inhibitory activities in the KSP ATPase. Compounds 15j and 15p show potent inhibitory activities in cell proliferation assays. Preferred compound 15j markedly induced G2/M phase cell cycle arrest with characteristic monoastral spindles and subsequent cell death in A549 cells. In vivo evaluation of 15j on the growth of transplantable S180 sarcoma in mice suggested its therapeutic potential for further development.
N-PHENYL-1,1,1-TRIFLUOROMETHANESULFONAMIDE HYDRAZONE DERIVATIVE COMPOUNDS AND THEIR USAGE IN CONTROLLING PARASITES
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Page/Page column 26, (2008/06/13)
Novel N-phenyl-1,1,1-trifluoromethanesulfonamide compounds useful for controlling endo and/or ectoparasites in the environment are provided, together with methods of making the same, and methods of using the inventive compounds to treat parasite infestations in vivo and ex vivo.