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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 54416Generated: October 31, 2026

Triethyl phosphite → Diethyl (3-methoxy-isoxazol-5-yl)-methane phosphonate

https://huagongshe.com/reaction/54416

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTriethyl phosphiteHCID 31215—
Reactant3-(Chloromethyl)-1,2-oxazoleHCID 4913025—
Reactant5-(Chloromethyl)-3-methoxy-1,2-oxazoleHCID 10080543—
ProductDiethyl (3-methoxy-isoxazol-5-yl)-methane phosphonateHCID 1053856156.1%

Reaction Steps

3.8 g 5-chloromethyl-3-methoxy-isoxazole and 6.0 g of triethylphosphite were stirred at 150° C. until complete conversion of the chloromethyl isoxazole (2-8 h). Kugelrohr destillation gave 3.6 g of diethyl (3-methoxy-isoxazol-5-yl)-methane phosphonate. Bp. 160°-165° C./0.3 mm Hg.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05622953
Source datasetuspto-grants-1997_04
ORD IDord-f5490f4ffea645e6a1f3c4add4767df8
Source noteuspto-grants-1997_04