Alpha-tocopherol intermediates

Details Alpha-tocopherol intermediates Alpha-tocopherol intermediates

1985-09-18

1987-02-10

Milestone, Norma S.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

549544, 549513, C07D30332

Patent

active

046423613

ABSTRACT:
A novel process for the manufacture of quinone derivatives which are suitable as intermediates for the manufacture of (2RS,4'R,8'R)-tocopherol is described. In this process a quinone of the formula ##STR1## is reacted with a phytyl derivative of the formula ##STR2## If desired, the thus obtained compound of the formula ##STR3## is subsequently converted into the compound of the formula ##STR4##

REFERENCES:
patent: 3657287 (1972-04-01), Kawamatsu et al.
patent: 4603223 (1986-07-01), Ruttimann et al.

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