Catechol → 2-Propoxy-2H-1,3,2lambda~5~-benzodioxaphosphol-2-one

HRID 2292383Notizen

Reaktionsgleichung

Reaktionsgleichung von HRID 2292383
[C:1]1([C:3](=[CH:5][CH:6]=[CH:7][CH:8]=1)[OH:4])[OH:2].C(N(CC)CC)C.[P:16](Cl)(Cl)([O:18][CH2:19][CH2:20][CH3:21])=[O:17]>CCOCC>[P:16]1([O:4][C:3]2[CH:5]=[CH:6][CH:7]=[CH:8][C:1]=2[O:2]1)([O:18][CH2:19][CH2:20][CH3:21])=[O:17]

Komponenten

5

Edukt 3

HCID 289CatecholHCID 8471TriethylamineHCID 517771Phosphorodichloridic acid, propyl ester

Produkt 1

HCID 157008312-Propoxy-2H-1,3,2lambda~5~-benzodioxaphosphol-2-oneAusbeute 101,8 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 3283Diethyl EtherLösungsmittel

Versuchsvorschrift

Pyrocatechol (0.856 g, 7.77 mM) was dissolved in 32 ml of ether and, using 1.573 g (15.54 mM) of triethylamine and 1.484 g (7.77 mM) of n-propyl dichlorophosphate, the reaction was carried out at -30° C. to -25° C. and the reaction mixture treated in the same manner as in Reference Example 1. There was obtained 1.695 g (95.6% yield) of n-propyl o-phenylene phosphate as a viscous oil (slightly turbid).

Aufarbeitung

  1. customwas carried out at -30° C. to -25° C.
  2. additionthe reaction mixture treated in the same manner as in Reference Example 1

Quellen und Nachweise

ORD-Eintrag
ord-ab40031fbe064c2180971c0a4884d939
Quelldatensatz
uspto-grants-1989_01
Patentnummer
US04801703

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