p-ABSA

CAS 2158-14-7, Cat. No EN300-86232
Reagent for diazo transfer

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p-Acetamidobenzenesulfonyl azide (p-ABSA) is a reagent used for transferring diazo function to activated methylene groups and functionalizing double bonds through cycloaddition reactions¹. It is a colorless or slightly brown crystalline solid, soluble in dichloromethane and sparingly soluble in toluene. The reagent is relatively safe and used for synthesizing various vinyldiazomethanes and diazo compounds with good yields and versatility.

Synonyms: p-acetamidobenzenesulfonyl azide; 4-acetamidobenzenesulfonyl azide; N-(4-azidosulfonylphenyl)acetamide; 4-acetamidophenylsulfonyl azide; 4-(acetylamino)benzenesulfonyl azide; 4-acetamidobenzene-1-sulfonyl azide