HCID 9948054, Verbindung → HCID 15056589, Verbindung

HRID 2380212Notizen

Reaktionsgleichung

Reaktionsgleichung von HRID 2380212
[N:1]1[C:6]([P:11]([OH:14])(=[O:13])[OH:12])([P:7]([OH:10])(=[O:9])[OH:8])[CH2:5][CH2:4][N:3]2[CH:15]=[CH:16][CH:17]=[CH:18][C:2]=12.[H][H]>O.O=[Pt]=O>[N:1]1[C:6]([P:7]([OH:10])(=[O:8])[OH:9])([P:11]([OH:14])(=[O:12])[OH:13])[CH2:5][CH2:4][N:3]2[CH2:15][CH2:16][CH2:17][CH2:18][C:2]=12

Komponenten

5

Versuchsvorschrift

3 g of the diphosphonic acid obtained in Example 1 were dissolved in 250 ml water and, after addition of 1.5 g PtO2, hydrogenated at atmospheric pressure up to the take-up of the calculated amount of hydrogen. After separation off of the catalyst and evaporation in a vacuum, the residue was brought to crystallisation from water/acetone. Mrel. 0.33, yield 2.61 g (85% of theory), m.p. 279°-285° C. (decomp.).

Aufarbeitung

  1. customAfter separation
  2. customoff of the catalyst and evaporation in a vacuum
  3. customthe residue was brought to crystallisation from water/acetone

Quellen und Nachweise

ORD-Eintrag
ord-9f7bd346a9b74c0ab2e24c1eed7c26d2
Quelldatensatz
uspto-grants-1994_11
Patentnummer
US05366969

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