1,2 and 1,4 addition again Flashcards

1
Q

conjugated systems have _ sites for nucleophilic attack

A

2-see resonance

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2
Q

when does 1,4 addition happen?

A

weak Nu

enolate ion, ROH, R2NH, Gilman, H2O, RS-, N3-

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3
Q

when does 1,2 addition happen

A

strong Nu

Grignard, organolithium, LiAlH4, acetylide ion

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4
Q

acid workup step needed?

A

yes, for both

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