Vitamin E

DATA No : VVE0003 INFORMANT : Fumiko Hirahara

NAME : 2RS-(4'R,8'R,12'-trimethyltridecyl)-2,5,7,8-tetramethylchroman-6-ol

COMMON NAME	:	2-ambo-a-tocopherol
SYMBOL	:	2-ambo-a-toc
FORMULA	:	C₂₉H₅₀O₂ MOL.WT (average) : 430.706

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CHEMICAL SYNTHESIS

(2RS,4'R,8'R)-a-tocopherol was first synthesized from trimethylhydroquinone and 1,3-dibromophythane. Subsequently, a method for condensing phytyl bromide, prepared from natural phytol, with trimethylhydroquinone in petroleum ether with zinc chloride as the catalyst, was reported. This synthesis was also achieved by directly condensing phytol with trimethylhydroquinone. (Ref. 0001) Synthesis of (2RS,4'R,8'R)-a-tocopherol
[Table 0002] (Ref. 0008)

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REFERENCES

[0001]

AUTHOR	:	Kasparek,S.(1980)Chemistry of Tocopherols and Tocotrienols, in Vitamin E, a comprehensive Treasure (Machlin, L.J. ,eds.), PP7-65, Marcel Dekker, INC., New York and Basel
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[0008]

AUTHOR	:	Isler, O., Mayer,H.(1971) [227]Synthesis of Vitamin E , in Methods in Enzymnology vol.18 (McCormick, D,B.,Wright,L. D eds.),pp241-348, Academic Press, New York and London
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