Process for producing .alpha.-keto-carboxylic acid ester

Details Process for producing .alpha.-keto-carboxylic acid ester Process for producing .alpha.-keto-carboxylic acid ester

1990-06-14

1992-06-02

Killos, Paul J.

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

Organic compounds

Carboxylic acid esters

560126, 560174, C07C 6976, C07C 6974, C07C 6966

Patent

active

051188333

ABSTRACT:
The invention provides a novel process for produing .alpha. -keto-carboxylic acid esters that are useful as intermediates for the preparation of pharmaceutical drugs in high yield by oxidizing .alpha. -hydroxycarbocylic acid esters with hypochlorous acid in the presence of nitroxy radical.

REFERENCES:
Journal of Organic Chemistry vol. 52, no. 12, 12 Jun. 1987, pp. 2559-2562, American Chemical Society, Washington, DC, US; P. N. Anelli et al.: "Fast and Selective Oxidation of Primary Alcohols to Aldehydes or to Carboxylic Acids and of Secondary Alcohols to Ketones Mediated by Oxoamminium Salts under Two-Phase Conditions" *The whole article*.

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