AL chem 以下反應有咩product?

remember the alkylation of amines:
>NH + RI ------> >NR + HI
NR3 + RI ------> NR4(+) I(-)

when the amine has hydrogen, the alkyl group replaces the hydrogen, giving the alkyl on amine; hydrogen iodide is also produced.

also notice that the product is a base while HI is acidic. unless there's other reagents to neutralize the acid OR carry out treatment after synthesis, a salt would be produced.

when the amine has NO hydrogen, alkyl group still attaches to nitrogen. however, no HI can be eliminated, thus a quaternary ammonium ion is produced, with iodide as counter-anion.

this reaction involves nucleophilic substitution reaction, requiring lone-pair on nitrogen.


圖片參考：http://imgcld.yimg.com/8/n/HA00075708/o/701101090062313873438040.jpg