Transcription of unit 13 - NCERT
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unit 13 - NCERT
Amines constitute an important class of organiccompounds derived by replacing one or more hydrogenatoms of ammonia molecule by alkyl/aryl group(s). Innature, they occur among proteins, vitamins, alkaloidsand hormones. Synthetic examples include polymers,dye stuffs and drugs. Two biologically activecompounds, namely adrenaline and ephedrine, bothcontaining secondary amino group, are used to increaseblood pressure. Novocain, a synthetic amino compound,is used as an anaesthetic in dentistry. Benadryl, a wellknown antihistaminic drug also contains tertiary aminogroup. Quaternary ammonium salts are used assurfactants. Diazonium salts are intermediates in thepreparation of a variety of aromatic compoundsincluding dyes.
atoms of ammonia molecule by alkyl/aryl group(s). In nature, they occur among proteins, vitamins, alkaloids and hormones. Synthetic examples include polymers, dye stuffs and drugs. Two biologically active compounds, namely adrenaline and ephedrine, both containing secondary amino group, are used to increase blood pressure.
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