Substitution Elimination Reactions

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CHEM 351 LAUREN DUDLEY

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5 Terms

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I might just kill myslef

True Fact

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SN2

Rate = K[Nucleophile][Electrophile]

Requires a strong nucleophile (Qualities of good nucs include Negative charge, small, low electronegativity, big atom if protic substance)

The solvent should be polar aprotic

CH3>1*>2*. 3* Is NOT POSSIBLE

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E2

Rate = K[Base][Electrophile]

Requires a Stwong base (Negada charge, size dont matta, low electronegativity, size of atom dont really matta)

The solvent should be polar aprotic

Heat

If a small base is being used in an elimination reaction it will choose the carbon with more substituances and vice versa for big bases

The former forms the zaitsev product

The latter forms the hofmann product

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E1

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