Synthesis of 5,6-Dihydropyrazolo[5,1‑a]isoquinolines through Indium(III)-Promoted Halocyclizations of N‑Propargylic Sulfonylhydrazones
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A novel method for the preparation of 5,6-dihydropyrazolo[5,1-a]isoquinoline via indium(III)-promoted halocyclizations of N-propargylic sulfonylhydrazones has been developed. The pyrazole and 3,4-dihydroisoquinoline moieties were synchronously formed via a cascade cyclization reaction using easily assembled open-chain compounds. The pyrazole and 3,4-dihydroisoquinoline moieties were formed via a cascade cyclization reaction using easily assembled open-chain compounds.
创建时间：
2016-03-28
