Cyclohexenone phosphonium salts

Details Cyclohexenone phosphonium salts Cyclohexenone phosphonium salts

1977-02-04

1978-05-09

Sneed, Helen M. S.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260586C, C07C 4500

Patent

active

040886891

ABSTRACT:
Phosphonium salts of 5-(2,6,6-trimethyl-3-oxocyclohexen-1-yl)-3-methyl-substituted-2-penten-4-y n or 2,4-pentadiene which are intermediates for canthaxanthin.

REFERENCES:
patent: 3124615 (1964-03-01), Weedon et al.
patent: 3311656 (1967-03-01), Surmatis
patent: 3466331 (1969-09-01), Surmatis et al.
patent: 3600473 (1971-08-01), Surmatis
patent: 3781314 (1973-12-01), Bollag et al.
patent: 3975445 (1976-08-01), Kienzle et al.

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