83182-66-5Relevant articles and documents
Synthesis of 3,5-disubstituted pyridazines by regioselective [4+2] cycloadditions with ethynyltributyltin and subsequent replacement of the organotin substituent
Sauer, Juergen,Heldmann, Dieter K.
, p. 4297 - 4312 (2007/10/03)
Cycloadditions of 3-aryl-1,2,4,5-tetrazines 1a-o with ethynyltributyltin S occur with high regioselectivity to yield 3-aryl-5-tributylstannyl- pyridazines 9-23 in 71-95% yield. Moreover, the stannanes obtained could be utilized as starting materials for t