678193-44-7, An article , which mentions 678193-44-7, molecular formula is C9H6Cl2N2. The compound – 1,4-Dichloro-5-methylphthalazine played an important role in people’s production and life.
N-Chlorination-induced, oxidative ring contraction of 1,4-dimethoxyphthalazines
A rarely explored oxidative ring contraction of electron-rich 1,2-diazine is described. Upon treatment with an electrophilic chlorinating reagent (TCICA), 1,4-dimethoxyphthalazines undergo an N-chlorination-induced ring contraction that is 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.
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Reference£º
Phthalazine – Wikipedia,
Phthalazine | C8H6N678 – PubChem