Khusainova N.; Pogodina E.; Berdnikov E.; Galkina I.; Galkin V.
(2013)
Heating 3-methyl-1,2-butadienyl phosphonates with piperazine leads to the formation of 2-piperazinyl-butenyl phosphonates containing the enamine functionality. From the reaction of piperazine with four equivalents of ...