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・ Nitrica
・ Nitride
・ Nitriding
・ Nitridoborate
・ Nitrification
・ Nitrifying bacteria
・ Nitrilase
・ Nitrile
・ Nitrile anion
・ Nitrile hydratase
・ Nitrile reduction
・ Nitrile rubber
・ Nitrile ylide
・ Nitrilimine
・ Nitriliruptoridae
Nitrilium
・ Nitrilotriacetate monooxygenase
・ Nitrilotriacetic acid
・ Nitrite
・ Nitrite dismutase
・ Nitrite oxidoreductase
・ Nitrite reductase
・ Nitrite reductase (NAD(P)H)
・ Nitrite reductase (NO-forming)
・ Nitrite test
・ Nitrium
・ Nitro
・ Nitro (Adlabs Imagica)
・ Nitro (band)
・ Nitro (comics)


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Nitrilium : ウィキペディア英語版
Nitrilium

A nitrilium ion is a nitrile that has been protonated, ()+, or alkylated, ()+.〔IUPAC Gold Book: (nitrilium ions )〕
==Synthesis==
Nitriles are only weakly basic and are poor nucleophiles, but they will attack very reactive electrophiles such as carbocations.
Nitrilium salts can be prepared by reacting nitriles with trialkyloxonium salts. The nitrilium ions thus formed can then be reduced to secondary amines with sodium borohydride in diglyme. This is a convenient route to secondary amines of the form RCH2—NH—R′.

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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