Compounds having two amino groups bonded to the same carbon, R2C(NR2)2 . Also called geminal diamines. [The term aminal has also been used, with consequent ambiguity, for α-amino ethers (hemiaminal ethers); such use is discouraged.]
See also: hemiaminals
PAC, 1995, 67, 1307 (Glossary of class names of organic compounds and reactivity intermediates based on structure (IUPAC Recommendations 1995)) on page 1316