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Composti Carbonilici - ITIS E. Divini

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Riduzione di esteri e nitrili e cloruri di acidi<br />

• Meccanismo:<br />

R<br />

O<br />

Cl<br />

Al(OC(Me 3 ) 3<br />

H<br />

R<br />

O<br />

Cl<br />

Al[Bu t ] 3<br />

H<br />

R<br />

O Al[Bu t ] 3<br />

C H<br />

− Cl −<br />

Cl<br />

R<br />

O Al[Bu t ] 3<br />

C H<br />

H 2 O<br />

R<br />

O<br />

H<br />

R<br />

O<br />

OR'<br />

AlBu i 2<br />

H<br />

R<br />

O AlBu i 2<br />

H<br />

OR'<br />

R<br />

O AlBu i 2<br />

C H R<br />

OR' − − OR′<br />

O AlBu i 2<br />

C H<br />

H 2 O<br />

R<br />

O<br />

H<br />

R-C≡N<br />

AlBu i 2<br />

H<br />

R C N AlBu i 2 R C N AlBu i 2<br />

H<br />

H<br />

H 2 O<br />

R<br />

O<br />

H<br />

12

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