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User:Benjah-bmm27/aldehydes

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My understanding of Category:Aldehydes.

Formyl group bonded to sp³ carbon

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Synonyms

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Members

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Simple n-alkyl aldehydes

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  1. Formaldehyde
  2. Acetaldehyde
  3. Propionaldehyde
  4. Butyraldehyde
  5. Pentanal
  6. Hexanal
  7. Heptanal
  8. Octanal
  9. Nonanal
  10. Decanal

18. Octadecanal (stearyl aldehyde)

Simple branched alkyl aldehydes

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Non-formyl part is a hydrocarbon but not an alkyl

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Aldols

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Non-hydrocarbon R group

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Alkenyl aldehydes

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Synonyms

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Members

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Simple ones

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Simple but more than one conjugated C=C bond

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Others

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Aryl aldehydes

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Synonyms

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  • Formyl aromatics?

Members

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Benzaldehydes

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Phenolic aldehydes

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Benzaldehydes where one or more of the substituents on the benzene ring is an OH group

Non-benzene aromatic ring

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Others

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O=C—CHO

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N—CHO: formamides

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Formamides are not really aldehydes. They're amides.

Dialdehydes

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Two CHO groups separated by alkane chain

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Two CHO groups separated by a non-alkane chain

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  • Glucic acid - n = 3, 2-hydroxymalondialdehyde, OHC—CH(OH)—CHO
  • Polygodial - all hydrocarbon except the two formyl groups

Both CHO groups bonded to a benzene ring

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