| 摘要 |
O.Z. 0050/42089 The preparation of .beta.-alanine-diacetic acid and its alkali metal salts I I where the variables M are, independently of one another, hydrogen or alkali metal, it also being possible for one M to be ammonium, comprises reacting .beta.-alanine or an alkali metal salt or ammonium salt thereof with alkali metal cyanide and formaldehyde in aqueous alkaline medium and, where M is hydrogen, liberating the carboxyl groups by adding mineral acid.
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| 申请人 |
ZIPPLIES, MATTHIAS;BRAUN, GEROLD;HOUBEN, JOCHEN;MUELLER, JOSEF;SCHNEIDER, ROLF;WILD, JOCHEN;WIDDER, RUDI |
发明人 |
ZIPPLIES, MATTHIAS;BRAUN, GEROLD;HOUBEN, JOCHEN;MUELLER, JOSEF;SCHNEIDER, ROLF;WILD, JOCHEN;WIDDER, RUDI |
