Preparation of chromanyl derivatives

Details Preparation of chromanyl derivatives Preparation of chromanyl derivatives

1997-12-17

1999-06-29

Kight, John

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

549410, 549412, C07C31104

Patent

active

059170603

ABSTRACT:
A process for the preparation of chromanyl derivatives of the formula I ##STR1## where R.sup.1 is hydrogen, C.sub.1 -C.sub.8 -alkyl, aryl, aralkyl, Si(R.sup.4).sub.3, C(.dbd.O)R.sup.4 or C.sub.1 -C.sub.4 -alkoxymethyl,

REFERENCES:
Gilbert et al, J. Chem. Soc. Perkin Trans, 2, "Reactions of Carboxyl radicals generated by photocleavage . . ." pp. 511-518, (1996).
Rosenau et al, Synlett, "Novel Tocopherol Comps, VII .gamma.-Tocopherol-5-carboxylic acid" pp. 208-210 (1997).
March, Advanced Organic Chemistry, 3rd ed. pp. 507-508 1974.
Rosenau et al, Tetrahedron, vol. 51 No. 29 "Novel Tocopherol Compound" pp. 7919-7920, 1995.
Dyke, The Chemistry of the Vitiamis, vol. VI, pp. 256-257 (1965).

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