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● SULFONAMIDAS ANTIBACTERIANAS<br />

Característica estructural: derivadas del<br />

á. p-aminobencenosulfónico<br />

Antagonistas competitivas del á. paminobenzoico<br />

(PABA)<br />

Estrategia sintética a partir de la anilina<br />

(H 2N-Ar)<br />

1. Protección del grupo amino<br />

2. Clorosulfonación del anillo bencénico<br />

3. Aminolisis<br />

4. Desprotección<br />

O<br />

NH 2<br />

NH 2<br />

S O<br />

NHR<br />

COOH<br />

A. p-aminobenzoico<br />

(PABA)<br />

107

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