Manufacture of symmetrical carotenoids

Details Manufacture of symmetrical carotenoids Manufacture of symmetrical carotenoids

1976-01-26

1978-08-08

Myers, Jane S.

Organic compounds -- part of the class 532-570 series

Organic compounds

Carboxylic acid esters

260405, 260586R, 260586C, 260601R, 260611V, 260615A, 260666C, 260666PY, 260668R, 560202, 560259, 568824, C07C 300, C07C 1328, C07C 6700

Patent

active

041058550

ABSTRACT:
Symmetrical carotenoids are prepared from the half-molecules by dimerizing the phosphonium salts of the half-molecules with peroxides, peroxo compounds or peroxy compounds in an alkaline medium.

REFERENCES:
Bestmann et al., Chemische Berichte, 96, pp. 1899-1908 (1963).
Denney et al., J. Org. Chem. 28 (1963) pp. 778-780.
Nurrenbach et al., Ann. 721, pp. 34-42 (1969).

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