70375-89-2Relevant academic research and scientific papers
Regiocontrolled synthesis of ring-fused thieno[2,3-c]pyrazoles through 1,3-dipolar cycloaddition of nitrile imines with sulfur-based acetylenes
Chandanshive, Jay Zumbar,Bonini, Bianca Flavia,Gentili, Denis,Fochi, Mariafrancesca,Bernardi, Luca,Franchini, Mauro Comes
experimental part, p. 6440 - 6447 (2011/01/13)
1,3-Dipolar cycloadditions of C-carboxymethyl-N-arylnitrile imines with substituted acetylenes bearing thiol or sulfone groups were studied. The sulfur controls the regiochemistry of the reaction, and this protocol was applied to the synthesis of ring-fus
