Method for production of epoxy compound and hydroxy iminodisucci

Details Method for production of epoxy compound and hydroxy iminodisucci Method for production of epoxy compound and hydroxy iminodisucci

1996-10-30

1999-05-18

Trinh, Ba K.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

562567, C07D301/12

Patent

active

059051604

ABSTRACT:
The epoxidation is carried out in a reaction system made of metal under conditions such that the inner surface area (S) of the reaction system exposed to the gaseous-phase part thereof and the amount of the reaction solution (V) in the reaction system satisfy the formula: 0<S/V.ltoreq.2 (m.sup.2 /m.sup.3). The epoxidation, otherwise, is carried out in a reaction vessel such that at least the inner surface thereof exposed to the gaseous-phase part thereof has been inactivated or in a reaction vessel such that at least the inner surface thereof exposed to the gaseous-phase part thereof has been inactivated. A hydroxy iminodisuccinic acid is produced by causing the epoxysuccinic acid which has been obtained as described above to react with L-aspartic acid. By this reaction, an epoxy compound can be produced with a high yield without inducing coloration by epoxidizing a corresponding ethylenic compound with hydrogen peroxide. By using the epoxysuccinic acid obtained as described above, hydroxy iminodisuccinic acid of high quality can be produced without inducing coloration.

REFERENCES:
patent: 3518285 (1970-06-01), Fenton et al.
patent: 4028407 (1977-06-01), Petritsch et al.
patent: 5274140 (1993-12-01), Venturello et al.
patent: 5318726 (1994-06-01), Rossmaier et al.
patent: 5430161 (1995-07-01), Brown et al.
European Search Report, EP 96 30 7829, Feb. 21, 1997.

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