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GESLAAGD IN EERSTE ZIT 20/20. samenvatting naamgeving organische chemie $17.72
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GESLAAGD IN EERSTE ZIT 20/20. samenvatting naamgeving organische chemie

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Complete samenvatting naamgeving organische chemie

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  • June 27, 2023
  • 21
  • 2022/2023
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Leerpad organische structuur & naamgeving

SYSTEMATISCHE NAAM KENNEN !

,¨ Naamgeving alkanen
¨ Triviale namen = gebruiksnamen " geven geen inzicht in chemische aard van verbinding
¨ Systematische namen: PIN: Preferred Iupac Names




" koolwaterstoffen ingedeeld:

,ALKANEN
¨ Lineaire alkanen:
 CnH2n+2
 Reeks methyleenheden aaneensluitend aan elkaar verbonden
 Verwijderen van H uit alkaan " alkylsubstituent
¨ Cycloalkanen
 Reeks methyleenheden; eerste & laatste onderling verbonden door sigma (C -C)
binding
 CnH2n

LINEAIRE ALKANEN:

, CYCLO-ALKANEN
" per extra ring verdwijnen er 2 H-atomen uit brutoformule
" naamgeving = gelijkaardig aan n-alkaan, + 'cyclo-'




¨ meer dan 2 substituenten: nummer 1 positie gegeven aan substituent (eerste in alfabet)
zodat 2e substituent laagst mogelijke nummer krijgt (van alle opties)




HET VERTAKTE KOOLSTOFSKELET:
1. Identificatie van langste lineaire C-keten = referntieketen/hoofdketen (in
cycloalkaanring = ring zelf)
2. Substituenten
- Identificatie substituenten (groepen die gn deel uitmaken v referentieketen, maar
erop gebonden)
- Naam toekennen van substituenten (naam overeenk met alkaan, "-aan"
vervangen door "-yl")
- Gebruik v prefixen (als vertakking meermaals voorkomt " di-,tri-, tetra-,..)
3. Nummering
- Plaats v elke substituent bepalen (referentieketen nummeren zodat eerste
vertakking kleinste waarde!)
- 2 ketens met zelfde aantal C-atomen: kies deze met meeste substituenten
(isoalkyl = 1 substituent !!!)

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