Process for preparation of 2-oxo-1-piperidinyl derivatives

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

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546243, C07D71140, C07D71130

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active

055592376

ABSTRACT:
The present process involves ring opening and ring closure of compounds containing a tetrahydrofuroyl ##STR1## to provide facile synthesis of compounds containing a piperidin-2-one group of the formula ##STR2##

REFERENCES:
patent: 2333771 (1943-11-01), Dickey et al.
patent: 4734424 (1988-03-01), Hall et al.
patent: 5278311 (1994-01-01), Arunachalam et al.
March, Advanced Organic Chemistry, 3rd Edition, A. Wiley-Interscience Publication, pp. 334-338, 354-355, 364-366, 370-371, 384-385, 388-389 (1985).
Wilson, Reactions of Furan Compounds, Part II. Fission of the Tetrahydrofuran and the Tetrahydropran Ring, J. Chem. Soc., pp. 48-51 (1945).
Goldsmith et al., Cleavage of Cyclic Ethers by Magnesium Bromide-Acetic Anhydride. SN2 Substitution at a Secondary Site, J. Org. Chem., vol. 40, No. 24, pp. 3571-3574 (1975).
Yadav et al., Regioselective Cleavage of 2-Methyltetrahydrofuran: A Versatile Synthesis of 1-Halo-4-pentanols and 4-Halo-1-pentanols, J. Org. Chem., vol. 51, pp. 3372-3374 (1986).
Guindon et al., Regiocontrolled Opening of Cyclic Ethers Using Dimethylboron Bromide, J. Org. Chem., vol. 52, pp. 1680-1686 (1987).
Braun, Organic Syntheses, Coll. vol. V, 887 (1973).
Stampfli et al., Separation of R(+)- and S(-)-benzyl-3-tetrahydrofuroates using two different chiral columns, J. Liquid Chromatography, 13(7), 1285-1290 (1990).
Corina et al., The Mass Spectra of Some Benzyl Esters and Thioethers, Organic Mass Spectrometry, vol. 18, No. 2, 60-63 (1983).
Goff et al., "Cleavage of methoxymethyl ethers with boron trichloride. A convenient, versatile preparation of chloromethyl ether derivatives." J. Org. Chem., 51(24), pp. 4711-4714 (1986).
Niwa et al., "A new method for cleavage of aliphatic methyl ethers", Tetrahedron Letters, 22(42), pp. 4239-4240. (1982).
Guindon et al., Tetrahedron Letters, 24(9), pp. 2969-2972 (1983).
Olah, Friedel-Crafts and Related Reactions, vol. IV, Interscience, pp. 31-32 (1965).
Kulkarni et al., "Cleavage of cyclic ethers with boron bromide. A convenient route to the bromosubstituted alcohols, aldehydes and ketones", Heterocycles, 18(Spec. Issue), pp. 163-167.

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