Chemistry of carbon compounds – Miscellaneous organic carbon compounds – C-metal
Patent
1974-05-17
1976-03-02
Morgenstern, Norman
Chemistry of carbon compounds
Miscellaneous organic carbon compounds
C-metal
C07C 4948
Patent
active
039418413
ABSTRACT:
A method by which rhodoxanthin can be synthesized from 3-ethylenedioxy-.beta.-ionone as well as new and novel intermediates produced in the synthesis. Rhodoxanthin is a well-known coloring agent for foodstuffs, including beverages, pharmaceutical and cosmetic preparations.
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patent: 2819297 (1958-01-01), Isler et al.
patent: 2827481 (1958-03-01), Isler et al.
patent: 2827482 (1958-03-01), Isler et al.
patent: 3354218 (1967-11-01), Surmatis
Surmatis Joseph Donald
Walser Armin
Gaither Richard A.
Hoffmann-La Roche Inc.
Morgenstern Norman
Saxe Jon S.
Welt Samuel L.
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