Synthesis of New Types of N,N-Disubstituted Aminomethylspirophosphoranes. -The diaminoalkylation of hydrospirophosphoranes (I) is studied and the underlying mechanisms are discussed. -(PRISHCHENKO*, A. A.; LIVANTSOV, M. V.; NOVIKOVA, O. P.; LIVANTSOVA, L. I.; PETROSYAN, V. S.; Heteroat. Chem. 21 (2010) 7, 515-520, http://dx.