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    PRODUCTION OF GLYCINE-N,N-DIACETIC ACID DERIVATIVE
    7.
    发明专利
    PRODUCTION OF GLYCINE-N,N-DIACETIC ACID DERIVATIVE 失效

    公开(公告)号：JPH08325215A

    公开(公告)日：1996-12-10

    申请号：JP12868696

    申请日：1996-05-23

    Applicant: BASF AG

    Inventor： TOOMASU GURAINTORU ,  ARUFUREETO OFUTORINGU ,  GERORUTO BURAUN ,  YOTSUHEN BUIRUTO ,  BIRUGITO POTSUTOHOFUUKAARU ,  GEORUKU SHIYUU

    IPC: C07C227/18 ,  C07C227/16 ,  C07C227/26 ,  C07C229/16

    Abstract: Prepn. is of glycine-N,N-diacetic acid derivs. of formula (I). R = 1-30C alkyl or 2-30C alkenyl, which can also contain, as substits., up to 5 hydroxyl gps., formyl gps., 1-4C alkoxy gps., phenoxy gps., or 1-4C alkoxycarbonyl gps., and which can be interrupted by up to 5 non-adjacent O atoms, alkoxylate groupings of formula -(CH2)k-O-(A O)m-(A O)n-Y in which A and A are 2-4C 1,2-alkylene gps., Y is H, 1-12C alkyl, phenyl or 1-4C alkoxycarbonyl and is 1, 2 or 3 and m and n are 0-50, the sum of m+n being at least 4, phenyl alkyl gps., with 1-20C atoms in the alkyl, phenyl a 5- or 6-membered (un)satd. heterocyclic ring with up to 3 heteroatoms from N, O and S which can also be benzo condensed, whereby all phenyl cores and heterocyclic rings given for R can also contain as substits. up to 3 1-4C alkyl gps., hydroxy gps., carboxyl gps., sulpho gps. or 1-4C alkoxy carbonyl gps., or a gp. of formula (II) where A is a 1-12C alkylene bridge or a chemical bond and M is H, alkali metal, alkaline earth metal, ammonium or substd. ammonium in the corresp. stoichiometric quantities. The prepn. involves reacting : (A) corresp. 2-substd. glycines or 2-substd. glycine nitriles or double glycines of formula H2N-C(COOM)H-A-C(COOM)H-NH2 (III) or double glycine nitriles of formula H2N-C(CN)H-A-C(CN)H-NH2 (IV) or precursors of the glycine derivs. given as starting materials with formaldehyde and HCN in aq. medium at a pH of 0-11, or (B) iminodiacetonitrile or iminodiacetic acid with corresp. monoaldehyde of formula R-CHO or dialdehydes of formula OHC-A-CHO and HCN in aq. medium at a pH of 0-11 and opt. subsequently saponifying the nitrile functions present. Non-purified raw material originating from the industrial synthesis of glycine derivs. or their precursors or of iminodiacetonitrile or iminodiacetic acid or mother liquors resulting during such synthesis are used as starting materials

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