A formal[3+3]annulation of 3-aminopyrazoles with cinnamaldehydes or cinnamyl alcohols mediated by NH_(4)SCN has been developed.This protocol provides a practical route to construct 5-arylated pyrazolo[1,5-a]pyrimidine...
supported by the National Key Research and Development Program of China(2021YFA1600800);the National Natural Science Foundation of China(21972094,22372102,and22102102);the Educational Commission of Guangdong Province(839-0000013131);Guangdong Basic and Applied Basic Re-search Foundation(2020A1515010982);Shenzhen Science and Technology Program(RCJC20200714114434086 and 20221425);the Research Team Cultivation Program of Shenzhen University(2023QNT013)。
Pyrimidines and their derivatives are widely found in natural products,agrochemicals,and pharmaceutical compounds,such as osimertinib,tofacitinnib,nilotinib,and fluoxastrobin(Fig.S1 online)[1].Considering their signif...
the National Natural Science Foundation of China(22071171);the Natural Science Foundation of Zhejiang Province(LZ22B020003)for financial support of this work.
Comprehensive Summary The development of switchable solvent-free multicomponent reactions to build high-value-added products is an important demand for organic synthesis.Herein,we detailed the successful implementatio...
the National Natural Science Foundation of China(No.22078150);the National Key R&D Program of China(No.2021YFC2101904);the Jiangsu Province Industrial Prospects and Key Core Technologies-Competitive Projects(No.BE2021083);the Nanjing International Joint R&D Project(No.202002037)for their financial support。
An iron-catalyzed[4+2]annulation of amidines with α,β-unsaturated ketoxime acetates is described.This strategy employs amidines as CN units and provides a new protocol for the construction of 2,4,6-trisubstituted py...
supported by the Basic Science Center of Transformation Chemistry of Key Components of Air;the National Natural Science Foundation of China(21988101).
The element nitrogen and nitrogenous compounds are vital to life.The synthesis of nitrogen-containing compounds using dinitrogen as the nitrogen source,not through ammonia,is of great interest and great value but rema...
Synthesis of uracil derivatives, such as pyrido[2,3-d]pyrimidine, is very important for the pharmaceutical industry due to their many biological activities. In our continuing efforts into the development of new synthe...
financial support from the National Natural Science Foundation of China(Nos.81922062,81874285 and 81673285);Guangdong International Science and TechnologyCooperation Project(No.2018A050506043);Guangzhou City Key Laboratory of Precision Chemical Drug Development(No.201805010007);Institutes for Drug Discovery and Development of Chinese Academy of Science(No.CASIMM0120185006)。
Extensive structure-activity relationships(SARs)study of JND3229 was conducted to yield a series of new reve rsible 2-oxo-3,4-dihydropyrimido[4,5-d]pyrimidine privileged scaffold as EGFRC797 S inhibitors.One of the mo...
Pyrimidines, such as 6-amino-2-thio and 2-methylthiouracils and fused pyrimidines, such as thienopyrimidines reacted with 1-O-acetyl-2,3,5-tri-O- benzoyl-β-D-ribofuranose to get new derivatives of the corresponding n...
supported by the National Natural Science Foundation of China(No.81270054);the program for Outstanding Young Teachers in Higher Education Institutions of Guangdong Province(No.Yq2013045)
Janus kinase 3(JAK3) is a member of Janus kinase(JAK) family, and it represents a promising target for the treatment of immune diseases and cancers. However, no highly selective inhibitors of JAK3 have been develo...