Process for the preparation of substituted 4H-pyran-4-ones

Details Process for the preparation of substituted 4H-pyran-4-ones Process for the preparation of substituted 4H-pyran-4-ones

1978-11-27

1980-07-29

Williams, Howard S.

Chemistry: electrical and wave energy

Processes and products

Processes of treating materials by wave energy

B01J 110

Patent

active

042149630

ABSTRACT:
A process for the preparation of a substituted 4H-pyran-4-one is described which consists of reacting a substituted 2,3-dihydro-4H-pyran-4-one with N-bromosuccinimide in the presence of light.

REFERENCES:
patent: 3973945 (1976-08-01), Fujino et al.

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