Organic compounds -- part of the class 532-570 series – Organic compounds – Carboxylic acid esters
Patent
1979-04-06
1980-05-20
Niebling, John F.
Organic compounds -- part of the class 532-570 series
Organic compounds
Carboxylic acid esters
560129, 560187, 560188, 560219, 560220, 560228, 260408, 260410, 568838, 568379, 568363, 568361, 568367, 568 11, 568343, 568350, 568347, C07C 6952, C07C 6702
Patent
active
042040736
ABSTRACT:
A process for producing trimethyl oxo or hydroxy substituted cycopentenone food coloring agents including intermediates in this process.
REFERENCES:
patent: 3781314 (1973-12-01), Bollag
patent: 3975445 (1976-08-01), Kienzle
patent: 4025564 (1977-05-01), Rosenberger
Epstein William H.
Hoffmann-La Roche Inc.
Leon Bernard S.
Niebling John F.
Saxe Jon S.
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