Tetrahydrofuran derivatives and process for their production

Details Tetrahydrofuran derivatives and process for their production Tetrahydrofuran derivatives and process for their production

1989-02-07

1990-07-03

Hollrah, Glennon H.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D30704

Patent

active

049392778

ABSTRACT:
A tetrahydrofuran derivative of the formula: ##STR1## wherein each of R.sub.1 and R.sub.2 is an alkyl group having from 1 to 20 carbon atoms, and the two alkoxy groups OR.sub.1 and OR.sub.2 take a cis form to the plane of the tetrahydrofuran ring.

REFERENCES:
patent: 2572566, Himel et al.
patent: 2920081 (1960-01-01), Privette et al.
A. Merz, Angew. Chem. Internat. Edit., "Phase-Transfer-Catalyzed Alkylation of Alcohols by Dimethyl Sulfate . . . " 12(10), pp. 846-847 (1973).
Shieh, J. Org. Chem., "Selective Alkylation and Aldol Reactions of (S)-(-)-13-hydroxy-.delta.-butyrolactone Diansor," 46(21), pp. 4319-4321, (1981).
J. McIntosh, J. Chem. Ed., "Phase-Transfer Catalysis Using Quaternary 'Onium salts," 55(12), pp. 235-238 (1978).
Helv. Chim. Acta 60 (2) 301-325, "Preparation of Auxilliaries for Asymmetric Syntheses from Tartaric Acid. Additions of Butyllithium to Aldehydes in Chiral Media", Dieter Seebach et al.

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