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●Sulfonamidas antibacterianas<br />

- Estrategia sintética a partir de anilina<br />

H 2N<br />

Anilina<br />

H3C C HN<br />

amida<br />

Cl S<br />

O<br />

O<br />

EtO<br />

H3C C<br />

O<br />

C<br />

HN<br />

HN<br />

SO2Cl NH2R aminolisis<br />

EtO<br />

H3C C<br />

O<br />

C<br />

HN<br />

HN<br />

SO2NHR NaOH<br />

desprotección<br />

O<br />

Cl C<br />

o<br />

OEt<br />

Ac2O O<br />

EtO C HN<br />

carbama<strong>to</strong><br />

O<br />

H 2N SO 2NHR<br />

sulfonamida<br />

O<br />

O<br />

OH<br />

clorosulfonación<br />

108

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