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Reacción de Mannich: mecanismo<br />

1. Formación del ion imonio<br />

H<br />

O<br />

H<br />

2. Enolización<br />

Ph<br />

O<br />

H<br />

CH 3<br />

H<br />

O<br />

H<br />

H<br />

HN(CH 3) 2<br />

Ph<br />

H<br />

OH<br />

H<br />

(H 3C) 2N H<br />

OH<br />

CH 3<br />

H H<br />

O<br />

H<br />

H<br />

N(CH 3) 2<br />

3. Formación del enlace C-C y pérdida de protón<br />

Ph<br />

OH<br />

CH 3<br />

H 2C N(CH 3) 2<br />

Ph<br />

O<br />

H<br />

CH 3<br />

N(CH 3) 2<br />

-H<br />

Ph<br />

O<br />

- H 2O H H<br />

CH 3<br />

N(CH 3) 2<br />

Ion imonio<br />

N(CH 3) 2<br />

56

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