Preparation of .beta.-alaninediacetic acid or its alkali...

Details Preparation of .beta.-alaninediacetic acid or its alkali... Preparation of .beta.-alaninediacetic acid or its alkali...

C - Chemistry, Metallurgy

07

C

260/522.3

C07C 227/18 (2006.01) C07C 227/14 (2006.01) C07C 229/24 (2006.01)

Patent

CA 1316937

O.Z. 0050/40154 Abstract of the Disclosure: .beta.-Alaninediacetic acid (Ia) or its alkali metal or ammonium salts (Ib) are prepared by a process in which iminodiacetic acid and acrylic acid a) for the preparation of Ia, are reacted with one another in a nonbasic aqueous medium and b) for the preparation of Ib, are reacted with one another in an alkaline aqueous medium or an aqueous medium containing a nitrogen base, or the Ia formed in the nonbasic medium is converted with an alkali metal base, ammonia or an amine into Ib.

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