A hemiaminal is a functional group or type of chemical compound that has a hydroxyl group and a amine attached to the same carbon atom: -C(OH)(NR₂)-. R can be hydrogen or an alkyl group. In ecology functional groups are collections of organisms based on morphological, physiological, behavioral, biochemical, or environmental responses or on trophic criteria. ... A chemical compound is a chemical substance formed from two or more elements, with a fixed ratio determining the composition. ... Hydroxide is a functional group consisting of oxygen and hydrogen: -O−H It has a charge of 1-. The term hydroxyl group is used when the functional group -OH is counted as a substituent of an organic compound. ... Ammonia Amines are organic compounds containing nitrogen as the key atom in the amine functional group. ... General Name, Symbol, Number Carbon, C, 6 Chemical series Nonmetals Group, Period, Block 14 (IVA), 2, p Density, Hardness 2267 kg/m3 0. ... General Name, Symbol, Number Hydrogen, H, 1 Chemical series nonmetals Group, Period, Block 1 (IA), 1 , s Density, Hardness 0. ... An alkyl is a functional group of an organic chemical that contains only carbon and hydrogen atoms, which are arranged in a chain. ...

An aminal or aminoacetal is a functional group or type of chemical compound that has two amine groups attached to the same carbon atom: -C(NR₂)(NR₂)-. Again R can be hydrogen or a alkyl group. In ecology functional groups are collections of organisms based on morphological, physiological, behavioral, biochemical, or environmental responses or on trophic criteria. ... A chemical compound is a chemical substance formed from two or more elements, with a fixed ratio determining the composition. ... Ammonia Amines are organic compounds containing nitrogen as the key atom in the amine functional group. ... General Name, Symbol, Number Carbon, C, 6 Chemical series Nonmetals Group, Period, Block 14 (IVA), 2, p Density, Hardness 2267 kg/m3 0. ... General Name, Symbol, Number Hydrogen, H, 1 Chemical series nonmetals Group, Period, Block 1 (IA), 1 , s Density, Hardness 0. ... An alkyl is a functional group of an organic chemical that contains only carbon and hydrogen atoms, which are arranged in a chain. ...

The aminal and the hemiaminal groups are the cousins of hemiacetals and acetals with nitrogen replaced by oxygen. Aminals and hemiaminals are encountered in for instance the Fischer indole synthesis, the chemistry of imines or the synthesis of Carbazol-9-yl-methanol. A hemiacetal is a functional group or compound containing the function group in the form of: where R and R are any carbon backbones. ... An acetal is a functional group or molecule containing the functional group of a carbon bonded to two -OR groups. ... General Name, Symbol, Number Nitrogen, N, 7 Chemical series nonmetals Group, Period, Block 15 (VA), 2 , p Density 1. ... General Name, Symbol, Number Oxygen, O, 8 Chemical series nonmetals Group, Period, Block 16 (VIA), 2, p Density, Hardness 1. ... The Fischer indole synthesis is a chemical synthesis of the aromatic heterocycle indole from a (substituted) phenylhydrazine and an aldehyde or ketone under acidic conditions. ... An imine is the functional group or compound containing the functional group of a carbon-nitrogen double bond. ...