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ChemInform Abstract: Rapid Access to H-Pyrazolo[5,1-a]isoquinolines via Sequential Reaction of N′-(2-Alkynylbenzylidene)hydrazides.

✍ Scribed by Zhiyuan Chen; Xiaolin Pan; Jie Wu

Publisher
John Wiley and Sons
Year
2011
Weight
39 KB
Volume
42
Category
Article
ISSN
0931-7597

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✍ Xingxin Yu; Xiaolin Pan; Jie Wu 📂 Article 📅 2011 🏛 John Wiley and Sons ⚖ 47 KB

## Abstract The reaction of 2‐alkynylbenzaldehydes with sulfonohydrazide and either bromine or iodine, followed by reaction with an aldehyde or ketone affords the corresponding bromo‐ or iodo‐substituted title compounds which undergo Suzuki—Miyaura cross‐coupling reactions.