Reaktionsgleichung
[P:1]([CH2:5][NH:6][CH2:7][C:8]([OH:10])=[O:9])([OH:4])([OH:3])=[O:2].[CH:11]([NH2:14])([CH3:13])[CH3:12]>C(O)C>[CH:11]([NH3+:14])([CH3:13])[CH3:12].[P:1]([CH2:5][NH:6][CH2:7][C:8]([OH:10])=[O:9])([OH:4])([OH:3])=[O:2]Komponenten
Edukt 2
Produkt 2
Reagenzien, Katalysatoren, Lösungsmittel 1
Versuchsvorschrift
50 g (0.3 moles) of N-(phosphonomethyl)-glycine are reacted with 17.5 g (0.3 moles) of isopropylamine in 200 ml of 96% ethanol at room temperature. The mixture is refluxed for half an hour, filtered, concentrated by evaporation and crystallized. 69 g (0.3 moles) of crystalline, dried mono-isopropylammonium salt of N-(phosphonomethyl)-glycine are obtained. The product is not hygroscopic, readily soluble in water. Melting range 161°-163° C. It contains 73.9% N-(phosphonomethyl)-glycine Yield 99.95%. Characteristic absorption bands (FT-IR spectroscopy, cm-1) 1660, 1600, 1553, 1545, 1075, 513, 475, characteristic values of crystal-lattice-planes measured with X-ray diffraction: 11.0, 9.06, 5.94, 5.54, 4.13, 3.71. (α type crystals).
Aufarbeitung
- temperatureThe mixture is refluxed for half an hour
- filtrationfiltered
- concentrationconcentrated by evaporation
- customcrystallized
Quellen und Nachweise
- ORD-Eintrag
- ord-5b34442a2a0c43fc8edc7a16d6249d82
- Quelldatensatz
- uspto-grants-1995_04
- Patentnummer
- US05410075
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