Hydroquinone derivatives

Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...

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560 60, 549318, 2603975, C07D30902, C07C 69612

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active

048249726

ABSTRACT:
Compounds of the general formula ##STR1## wherein R represents an ether protecting group and R.sup.1 is a group of (a)-(d) useful as intermediates.

REFERENCES:
patent: 4743696 (1988-10-01), Barner et al.
Whitesell et al., Asymmetric Induction, Ene Reactions of a Chiral Glyoxylate Ester, U. Chem. Soc. Commun., 1982, pp. 989-990.
Whitesell et al., Asymmetric Induction, Reduction, Nucleophilic Addition to, and Ene Reactions of Chiral Ketoesters, J. Chem. Soc. Chem. Commun., (1983), p. 802.
Seebach et al., Titanium and Zirconium Derivatives in Organic Synthesis, Modern Synthetic Methods, 1983, p. 217 ff.
Helvetica Chimica Acta, vol. 63, No. 8, 1980, pp. 2451-2454, "Methyl-Triisopropoxy-Titarium, a Highly Selective Nucleophilic Methylating Reagent", Preliminary Communication.
Angewandte Chemie, vol. 94, No. 2, 1982, pp. 133-134, Weinheim, M. T. Reitz et al.; "Stereoselectivitat and Relative Reactivitat be der Reaction von Organotitan-und-Zirkonium-Agentien mit Carbonylverbindunger".

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