Novel intermediates for the preparation of .alpha.-hydroxycarbon

Details Novel intermediates for the preparation of .alpha.-hydroxycarbon Novel intermediates for the preparation of .alpha.-hydroxycarbon

1981-07-30

1984-01-31

Brust, Joseph Paul

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

549313, C07C12146

Patent

active

044288867

ABSTRACT:
The instant invention provides a new and improved method of preparing .alpha.-hydroxycarbonyl compounds, particularly substituted cyclopent-2-en-2-ol-1-ones and substituted 3-hydroxy-2(5H)-furanones. The novel sequence involves a number of novel intermediates including substituted 2-cyanocyclopentanones, substituted 2-cyano-2-hydroxycyclopentanones, and 2-cyano-2-hydroxyvalero-.gamma.-lactones.

REFERENCES:
patent: 3843704 (1974-10-01), Hetzel
patent: 3954834 (1976-05-01), Cohen
patent: 3981891 (1976-09-01), Celli et al.
patent: 4100184 (1978-07-01), Kondo et al.
patent: 4181666 (1980-01-01), Huber et al.
patent: 4208338 (1980-06-01), Huber et al.
patent: 4318855 (1982-03-01), Huber et al.
C.A., 80, (1974), Rasmussen, et al., 14703v.

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