Imidazo[1,2-b]pyrazoles available on Ambinter
2014-08-21 16:10:32
In order to provide new and original chemical compounds to our customers, Greenpharma/Ambinter has developed innovative synthesis routes with partners. For example, a first regioselective C-3 direct arylation of imidazo[1,2-b]pyrazoles are now available in Ambinter catalogue.
You can find more information on the publication (abstract below) in Chemistry, A European Journal, 2012, 18 (47), 14943-14947.
Efficient synthesis and first regioselective C-3 direct arylation of imidazo[1,2‑b]pyrazoles
An effective synthesis of the imidazo[1,2-b]pyrazole core has been developped. Then, the first regioselective pallado-catalysed direct arylation of the C-3 position is reported. Good to excellent yields are obtained with a wide range of aryl partners with electron-rich and electron-poor substituents. The great interest of this methodology appears in term of easiness, efficiency and step economy. This methodology allows a rapid access to a large variety of imidazo[1,2-b]pyrazole products and could open the way to the design of new biological active compounds.Click on the link to display the structures of imidazo[1,2-b]pyrazoles library.
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