2-(trimethyl-tridecenyl)-tetramethylchroman intermediates for vi

Details 2-(trimethyl-tridecenyl)-tetramethylchroman intermediates for vi 2-(trimethyl-tridecenyl)-tetramethylchroman intermediates for vi

1987-03-27

1988-12-06

Chan, Nicky

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

549408, 549274, 560261, C07D31172

Patent

active

047897503

ABSTRACT:
6-Etherified hydroxy -2-(4',8',12'-trimethyl-5'-tridecenyl)-2,5,7,8-tetramethylchromans with an oxo or hydroxy substituent at the 2' position which may be substituted with an arylsulfonyl or a carboxyalkyl at the 3' position and containing a single or double bond at the 11 position, said chromans being intermediates for producing natural vitamin E.

REFERENCES:
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Crout et al., J. Chem. Soc., Chem. Commun, 1986 p. 808.
Whitesides, Angew, Chem. Int. Ed. 24, 1985, 617-638.
Findeis et al., Ann. Reports in Med. Chem., 19, 263 (1984).
Saucy, Organic Syntheses, 63, 1984, 198, 199.
Trost, Compreh. Organomet. Chem., 8, 1980, 800, 819-820.
Trost, J. Am. Chem. Soc., 103, 1864 (1981).
Trost, J. Org. Chem. 49, 468 (1984).
Trost, Tetrahedron, 33, 1977, 2615-2649.
Tsuji, Organic Synthesis with Palladium Compounds, Springer-Verlag, 1980, 37-51.

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