Derivatives of oxoacidsRnE(=O)OH in which the hydroxy group is replaced by an amino group and the oxo group is replaced by =NR . Amidines include carboxamidines, sulfinamidines and phosphinamidines, R2P(=NR)NR2 . In organic chemistry an unspecified amidine is commonly a carboxamidine.
See also: carboxamidines, sulfinamidines
PAC, 1995, 67, 1307 (Glossary of class names of organic compounds and reactivity intermediates based on structure (IUPAC Recommendations 1995)) on page 1315