Efficient mono- and bis-functionalization of 3,6-dichloropyridazine using (tmp)2Zn·2MgCl2·2LiCl
作者:Stefan Wunderlich、Paul Knochel
DOI:10.1039/b815903c
日期:——
2LiCl. The resulting bis-organozinc species react with various electrophiles; subsequent functionalization via a second metallation proceeds readily; further reactions with hydrazine lead to highly substituted pyrazolo[3,4-c]pyridazines derivatives.