Compound Q&A

How is 3-Bromodihydro-2H-pyran-4(3H)-one (CAS: 98021-79-5) typically synthesized?

Answer

3-Bromodihydro-2H-pyran-4(3H)-one
3-Bromodihydro-2H-pyran-4(3H)-one is typically synthesized via a bromination reaction of 3-hydroxy-2H-pyran-4(3H)-one. The reaction is usually catalyzed by N-bromosuccinimide (NBS) in the presence of a radical initiator like benzoyl peroxide. The yield and selectivity of the reaction can be improved by optimizing reaction conditions such as temperature and solvent choice.

About

CAS No 98021-79-5
English Name 3-Bromodihydro-2H-pyran-4(3H)-one
Molecular Formula C5H7BrO2
Molecular Weight 179.01 g/mol
SMILES C1COCC(C1=O)Br
InChIKey ZGULSQDBOSMIBZ-UHFFFAOYSA-N
Last Updated: 2025-10-23 07:31

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