Organic compounds -- part of the class 532-570 series – Organic compounds – Oxygen containing
Patent
1979-06-08
1980-11-04
Helfin, Bernard
Organic compounds -- part of the class 532-570 series
Organic compounds
Oxygen containing
C07C 4500
Patent
active
042319676
ABSTRACT:
Salicylaldehydes useful for perfumes, agricultural chemicals, chelating agents and the like are produced in high yield with high selectivity by reacting formaldehyde or its derivative with a corresponding phenol in a solvent using as a catalyst chromium or iron compounds.
REFERENCES:
patent: 4151201 (1979-04-01), Casnati et al.
Matsuda Teruo
Murata Tetsuo
Helfin Bernard
Sumitomo Chemical Company Limited
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