SN Flashcards

(11 cards)

1
Q

But synthèse de williamson

A

Elle permet de passer d’un fonction alcool à une fonction éther-oxyde

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2
Q

Étape 1 williamson

A

R-OH +B- = R-O- + BH

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3
Q

Étape 2 williamson

A

R’-X + R-O- = ROR’ + X-

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4
Q

Sn1 ou Sn2 si le nucleophile intervient dans la lois de vitesse ?

A

Sn2

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5
Q

Sn1 ou Sn2 si le nucleophile n’intervient pas dans la loi de vitesse, et s’il n’est pas introduire excès

A

Sn1

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6
Q

Sn1 ou Sn2 si la réaction est stéréospécifique

A

Sn2

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7
Q

Sn1 ou Sn2 si la réaction n’est pas stéréosélective

A

Sn1

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8
Q

Sn1 ou Sn2 si le carbone portant le bon groupe partant est un carbone tertiaire

A

Sn1

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9
Q

Sn1 ou Sn2 si en en milieu très basique

A

Sn2

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10
Q

Sn1 ou Sn2 si le carbone portant le bon partant est un carbone, CH3 primaire

A

Sn2

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11
Q

Sn1 ou Sn2 si on utilise un bon nucléophile

A

Sn2

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