Acetylenic diols and monoethers thereof

Details Acetylenic diols and monoethers thereof Acetylenic diols and monoethers thereof

1978-10-10

1980-10-07

Helfin, Bernard

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

Organic compounds

Oxygen containing

568824, 568668, 568662, 2603459R, 260389, C07C 43303, C07C 3518, C07C 43168

Patent

active

042270227

ABSTRACT:
A total synthesis of canthaxanthin or dinor-canthaxanthin, known food coloring agents, from pentols.

REFERENCES:
patent: 3928400 (1975-12-01), Olson et al.
patent: 3946078 (1976-03-01), Rautenstrauch et al.
McOmie, Protective Groups in Organic Chemistry, (1973).
Patai, The Chemistry of the Hydroxyl Group.
Raphael et al., Advances in Organic Chemistry, Methods and Results, vol. 3, (1963), 217.

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