Synthesis of 4,5-Dihydroimidazo[5,1-c][1,4,2]benzodiazaphosphinines. -A novel phosphorus-containing heterocyclic system is prepared. The required starting compounds are also reported for the first time. -(ZARUDNITSKII, E. V.; KYRYLCHUK, A. A.; HURYEVA, A. N.; KOSTYUK*, A. N.; YURCHENKO, A. A.; Heteroat. Chem. 22 (2011) 1, 91-95, http://dx.doi.org/10.1002/hc.20658 ; Inst. Org.