80447-71-8Relevant articles and documents
Pyrrolo[3,4-c]pyrazole Synthesis via Copper(?) Chloride-Catalyzed Oxidative Coupling of Hydrazones to Maleimides
Zhu, Jia-Nan,Wang, Wen-Kang,Jin, Ze-Hui,Wang, Qian-Kun,Zhao, Sheng-Yin
supporting information, p. 5046 - 5050 (2019/09/03)
A variety of pyrrolo[3,4-c]pyrazole derivatives from readily available aldehyde hydrazones and maleimides via direct oxidative coupling under radical cascade reaction have been reported. This method offers satisfactory chemical yields and good functional
Silver(I)-Catalyzed Tandem Sigamatropic Rearrangement/1,3-H Shift/6π Aza-electrocyclization of N-Propargylic Hydrazones: A Mild Synthetic Route to 1,6-Dihydropyridazines
Ding, Zong-Cang,Ju, Lu-Chuan,Yang, Ying,An, Xiao-Ming,Zhou, Yun-Bing,Li, Ren-Hao,Tang, Hai-Tao,Ding, Cheng-Ke,Zhan, Zhuang-Ping
, p. 3936 - 3941 (2016/05/24)
A highly efficient AgOTf catalyzed [3,3] sigmatropic rearrangement/1,3-H shift/6' aza-electrocyclization cascade reaction of N-propargylic hydrazones has been developed. This method provides a new mild synthetic route to various polysubstituted 1,6-dihydr
Vinylogous reactivity of enol diazoacetates with donor-acceptor substituted hydrazones. Synthesis of substituted pyrazole derivatives
Xu, Xinfang,Zavalij, Peter Y.,Hu, Wenhao,Doyle, Michael P.
, p. 1583 - 1588 (2013/03/28)
A regiospecific synthesis of multifunctional pyrazoleshas been developed from a cascade process triggered by Rh(II)-catalyzed dinitrogen extrusion from enol diazoacetates with vinylogous nucleophilic addition followed by Lewis acid catalyzed cyclization a
