Process for the preparation of 1,1'-methane-bis (Hydantoin)

Details Process for the preparation of 1,1'-methane-bis (Hydantoin) Process for the preparation of 1,1'-methane-bis (Hydantoin)

1995-05-15

1996-09-10

Higel, Floyd D.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D23340, C07D23372

Patent

active

055547621

ABSTRACT:
This invention relates to method for the preparation of 1,1'-methane-bis(hydantoin). 1,1'-methane-bis(hydantoin) is an intermediate in the preparation of N-(phosphonomethyl)glycine which is a well known herbicide and plant growth regulator.

REFERENCES:
patent: 2418000 (1947-03-01), Walker
patent: 2876062 (1959-03-01), Torke et al.
patent: 3225060 (1965-12-01), Johnson
patent: 4578224 (1986-03-01), Bayer et al.
patent: 5399759 (1995-03-01), Rodriguez
R. Behrend and R. Niemeyer, "Condensatin von Hydantoin mit Formaldehyd", Annalen, 1909, vol. 365, pp. 38-49.

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