1, 8-Diazabicyclo-[5. 4. 0]undec-7-Ene (Dbu)
Aug 21, 2008
1, 8-Diazabicyclo-{5.4.0} Undec-7-Ene , DBU, 1, 8-DBU, CAS: 6674-22-2 , 99% MIN.
USAGE: for the production of semi-synthesis cephalosporins antibiotic medicine, for example , ammonia and ethylene dichloride can react to form piperazine with DBU , .....