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Alcohol and Phenol in Organic Chemistry Lecture, Study notes of Organic Chemistry

IUPAC Name, Trends, and Reactions of Alcohol and Phenol

Typology: Study notes

2022/2023

Available from 08/06/2023

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ALCOHOL
Common name: alkyl + alcohol
For simple alkyl groups only
IUPAC Name
Open chain alcohols
1. Locate longest carbon chain. Change -e suffix to -ol.
2. Number parent chain beginning with carbon end na closest to -OH group.
3. Number substituents
Cyclic alcohol
1. Ring bearing -OH ang parent ring.
2. Position 1 is carbon bearing -OH but position 1is not in the name.
3. Lowest numbering of substituents.
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ALCOHOL

Common name: alkyl + alcohol ● For simple alkyl groups only IUPAC Name ● Open chain alcohols

  1. Locate longest carbon chain. Change -e suffix to -ol.
  2. Number parent chain beginning with carbon end na closest to -OH group.
  3. Number substituents ● Cyclic alcohol
  4. Ring bearing -OH ang parent ring.
  5. Position 1 is carbon bearing -OH but position 1 is not in the name.
  6. Lowest numbering of substituents.

Polyol ● 2 or more -OH groups

  1. Alkane name + diol, triol etc. Enol / Ynol ● Double / triple bond on parent chain
  2. Name parent chain as alkene / alkyne.
  3. Drop -e suffix, add position number of -OH, add -ol.
  4. Lowest numbering where -OH is priority.
  1. Alkyl substituent a. Bigger alcohol, less acidic b. More alkyl attached, less acidic
  2. Electron withdrawing groups make it more acidic

Reactions

Acid-Base

1. Formation of alkoxide

2. Formation of alkyloxonium ion

REACTIONS

Elimination Reaction

Maraming possible product pero major product ang more substituent, doon ang

double bond

PHENOL