1000895-54-4Relevant articles and documents
A Naphthalimide-Based ND-O-EAc Photocatalyst for Sulfonation of Alkenes to Access β-Ketosulfones Under Visible Light
Yang, Xiaoting,Yang, Jianjing,Yan, Kelu,Qin, Hongyun,Dong, Wenjie,Wen, Jiangwei,Wang, Hua
, p. 3456 - 3461 (2020)
The development of facile, efficient, cost-effective, and visible light-driven photocatalysts for organic synthetic chemistry has received increasing attention. This protocol has initially synthesized a naphthalimide-based ND-O-EAc visible light photocatalyst for the sulfonation of alkenes to produce β-ketosulfones. Compared with the current photosynthetic strategies, the newly developed catalytic system has some merits, namely high efficiency, gram-scale preparation of low-cost photocatalyst, no metal contamination, wide substrate scope, and green terminal oxidant of air. Moreover, the prepared photocatalyst of ND-O-EAc is feasible for the sulfonation reactions of androstenones. Importantly, such a photocatalysis strategy can easily realize the scale-up synthesis for β-ketosulfone drugs under the mild conditions up to 90 % yield.
New and convergent synthesis of AZD 4547
Bu, Lehao,Chen, Wenxin,Gao, Lei,Mao, Yongjun,Sun, Cong,Wang, Han
, p. 276 - 282 (2020/06/10)
A practical and convergent synthetic route of AZD 4547 was developed successfully. The intermediate 5-(3,5-dimethoxyphenylethyl)-1H-pyrazol-3-amine (7) was prepared from 3,5-dimethoxybenzaldehyde through 6 simple steps in 52.3% yield. Another intermediate 4-((3S,5R)-3,5-dimethylpiperazin-1-yl)benzoic acid (14) was synthesized from ethyl 4-fluorobenzoate and (2R,6S)-2,6-dimethylpiperazine in 62% yield over 2 steps. Finally, AZD 4547 was obtained from 7 and 14 in 73% yield and 99.1% purity. Purification methods of the intermediates and the final product involved in the route were developed.
Vinyl sulfamido substituted pyrazolyl benzamide compound
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Paragraph 0093; 0095, (2020/07/02)
The invention provides a vinyl sulfamide substituted pyrazolyl benzamide compound. Specifically, the present invention provides a compound in formula I shown in the specification or a pharmaceuticallyacceptable salt thereof, and a preparation method and use thereof. The compound shown in the formula I has excellent FGFR inhibitory activity and can be used for preventing or treating diseases related to FGFR kinase activity or expression quantity, such as cancer.