Method of producing .alpha., .beta.-unsaturated ketones

Details Method of producing .alpha., .beta.-unsaturated ketones Method of producing .alpha., .beta.-unsaturated ketones

1994-05-31

1995-11-21

Ivy, C. Warren

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

549305, 549421, 560126, 568379, 568380, C07D30500

Patent

active

054688809

ABSTRACT:
Improvement in the technique of synthesizing prostaglandins, particularly those having at least one halogen atom at the 16- or 17-position, which comprises introducing a .omega. chain into the aldehyde thereby to enable considerable yield improvement in the production of .alpha.,.beta.-unsaturated ketones, and which does not involve hydrogen generation and can insure safe operation.
A method of producing .alpha.,.beta.-unsaturated ketones by reacting aldehyde with 2-oxoalkyl phosphonate, wherein the reaction was carried out under the presence of a base and a zinc compound.

REFERENCES:
patent: 4032576 (1977-06-01), Nelson
CA 83(5) 42915w 1975.

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