We should start our arrows from the negative charges

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Unformatted text preview: ach case. MeO R H R OMe Al H 2N H OMe NH2 S S MeO P OMe Purpose of the problem The recognition of nucleophilic sites is the other half of the battle in starting to understand mechanisms. Suggested solution This time there are three anions but two of them (the alkyne and the sulfur anions) have lone pair electrons. We should start our arrows from the negative charges and they are the points of attachment of the electrophile in the product. 3 Solutions for Chapte...
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