Organic compounds -- part of the class 532-570 series – Organic compounds – Oxygen containing
Patent
1984-12-24
1985-11-05
Helfin, Bernard
Organic compounds -- part of the class 532-570 series
Organic compounds
Oxygen containing
568442, C07C 4563
Patent
active
045515573
ABSTRACT:
Substituted bromobenzaldehydes, e.g., 5-bromovanillin, are facilely prepared without conjoint production of HBr, by brominating the corresponding benzaldehydes with a brominating agent couple which comprises hydrobromic acid and a bromide ion oxidizer.
REFERENCES:
patent: 4335263 (1982-06-01), Minai
Bougeois Jean-Luc
Ratton Serge
Helfin Bernard
Rhone-Poulenc Specialites Chimiques
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