Process for calcium salts .alpha.-ketocarboxylic acids

Details Process for calcium salts .alpha.-ketocarboxylic acids Process for calcium salts .alpha.-ketocarboxylic acids

1976-07-08

1978-02-28

Thomas, Jr., James O.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

2605011, C07C 5324, C07C 8708

Patent

active

040767450

ABSTRACT:
A process for the preparation of calcium salts of .alpha.-ketocarboxylic acids comprising reacting an .alpha.-ketocarboxylic acid with an amine, to afford a salt, said salt being soluble in the reaction medium, treating said salt with a source of calcium ion to afford the calcium salt of the .alpha.-ketocarboxylic acid, said salt being substantially insoluble in said reaction medium, and isolating said calcium salt from the reaction medium. This process is especially useful for the preparation of calcium salts of .alpha.-keto analogues of essential .alpha.-amino acids.

REFERENCES:
patent: B426157 (1976-03-01), Lannert

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