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Isomerism and Functional Groups

Isomerism and Functional Groups. Use the “molymod” kit to make the following:. All the chain structural isomers (ie straight and branched structures) of propane (1 isomer) butane (2 isomers) pentane (3 isomers)

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Isomerism and Functional Groups

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  1. Isomerism and Functional Groups Use the “molymod” kit to make the following: • All the chain structural isomers (ie straight and branched structures) of • propane (1 isomer) • butane (2 isomers) • pentane (3 isomers) • Write a semi-displayed structural formulae and give the IUPAC name for each isomer.

  2. O CH3CH2CH2C H O CH3CH2CCH2CH3 Functional Groups aldehyde butanal ketone pentan-3-one

  3. CH3 O CH3CHCH2C OH O CH3CH2C OCH2CH3 Functional Groups carboxylic acid 3-methylbutanoic acid ester ethylpropanoate

  4. Functional groups alcohol alkene ester ketone carboxylic acid

  5. carboxylic acid ester ether aldehyde amine nitrile

  6. O O H2C CH2 H2C CH2 H O RO H2C CH2 Epoxyethane General reaction for addition across epoxyethane: + ROH ROCH2CH2OH with excess ROH RO H ROH R is H i.e.HOH water or alkyl R i.e.ROH alcohol

  7. H CH3 C C H CH3 CH3 H H C C CH3 + H H - + Br H Br CH3 H C C CH3 - H Br Hydrogen bromide Electrophilic addition of HBr to trans but-2-ene: carbocation 2-bromobutane

  8. Last slide

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