Im, Jeong Kyun published the artcileN-Chlorination-induced, oxidative ring contraction of 1,4-dimethoxyphthalazines, SDS of cas: 240400-95-7, the publication is Tetrahedron Letters (2020), 61(26), 152048, database is CAplus.
A rarely explored oxidative ring contraction of electron-rich 1,2-diazine was described. Upon treatment with an electrophilic chlorinating reagent (TCICA), 1,4-dimethoxyphthalazines undergo an N-chlorination-induced ring contraction that was accompanied by the loss of one nitrogen atom. The scope of this unusual reactivity was examined with a range of 1,4-dimethoxyphthalazine derivatives In addition, a mechanism proceeding via a bicyclic species was proposed on the basis of an isolated reaction intermediate and DFT calculations
Tetrahedron Letters published new progress about 240400-95-7. 240400-95-7 belongs to phthalazine, auxiliary class Chloride,Bromide,Phthalazine, name is 6-Bromo-1,4-dichlorophthalazine, and the molecular formula is C8H3BrCl2N2, SDS of cas: 240400-95-7.