Chapitre 4 - Rx alcyne Flashcards

1
Q

alcyne+H2en exces (Pd/C,Pt, Pd,Ni,PtO2)

A

produit: alcane

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2
Q

alcyne+H2 (avec lindlar ou PdS)

A

produit cis alcène meme si H2 est en excès

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3
Q

addition HX

A

alcyne+HX,
markovnikov,
produit unique,
melange

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4
Q

addition X2 ? si X2 en excès ?

A

•stéréochimie anti
•si X2 en excès, devient alcane

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5
Q

alcyne+H2O font quel rx et cmt ?

A

ajout O au + substitué
ajout 2H -substitué

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