Bibliografische Daten

Dokument EP000000117337A1 (Seiten: 12)

Bibliografische Daten Dokument EP000000117337A1 (Seiten: 12)
INID Kriterium Feld Inhalt
54 Titel TI [DE] Verfahren zur Herstellung von Salzen der N-Phosphonomethylglyzin.
[EN] Method for preparation of salts of N-phosphonomethylglycine.
[FR] Méthode de préparation de sels de N-phosphonométhylglycine.
71/73 Anmelder/Inhaber PA STAUFFER CHEMICAL CO, US
72 Erfinder IN BROADHURST MICHAEL DAVID ; BYRANHEATHER JAMES
22/96 Anmeldedatum AD 19.10.1983
21 Anmeldenummer AN 83306353
Anmeldeland AC EP
Veröffentlichungsdatum PUB 05.09.1984
33
31
32
Priorität PRC
PRN
PRD
US
45781283
19830113
51 IPC-Hauptklasse ICM C07F 9/38
51 IPC-Nebenklasse ICS
IPC-Zusatzklasse ICA
IPC-Indexklasse ICI
Gemeinsame Patentklassifikation CPC C07F 9/38
C07F 9/3813
MCD-Hauptklasse MCM
MCD-Nebenklasse MCS C07F 9/38 (2006.01)
C07F 9/40 (2006.01)
MCD-Zusatzklasse MCA
57 Zusammenfassung AB [EN] A process for the preparation of sulfonium or sulfoxonium salts of N-phosphonomethylglycine which comprises:(1) reacting N-phosphonomethylglycine, a compound of the formulawith a compound selected from the group consisting of those having the formulawherein R1, R2 and R3 are the same or different and are alkyl groups having from 1 to 4 carbon atoms or aromatic alkyl groups, X is chloride, bromide or iodide and Z is an electron pair or oxygen, orwherein R" R2 and R3 are the same of different and are alkyl groups having from 1 to 4 carbon atoms and are the same as in (a) above, R4 is an alkyl group having from 1 to 12 carbon atoms, aromatic or aromatic alkyl groups, X is chlorine or iodine, and Y is nitrogen or phosphorus, said reaction being conducted in the presence of a trialkylamine of the formulawherein each R is the same or different and is an alkyl group ranging from 4 to 13 carbon atoms, all in the presence of water and a polar functional organic solvent which is immiscible in water, said reaction being conducted at a temperature and for a sufficient period of time to cause completion of the reaction, and(2) isolating the end product by phase separation.The process is simpler and less expensive than other processes.
56 Entgegengehaltene Patentdokumente/Zitate,
in Recherche ermittelt
CT US000004315765A
US000004340761A
US000004341549A
56 Entgegengehaltene Patentdokumente/Zitate,
vom Anmelder genannt
CT
56 Entgegengehaltene Nichtpatentliteratur/Zitate,
in Recherche ermittelt
CTNP G.M. KOSOLAPOFF et al.: "Organic phosphorus compounds", vol. 2, 1972, pages 200-202, John Wiley & Sons, New York, USA 0
56 Entgegengehaltene Nichtpatentliteratur/Zitate,
vom Anmelder genannt
CTNP
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