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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 236212Generated: October 31, 2026

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

https://huagongshe.com/reaction/236212

Reaction equation

Participants

RoleNameHCIDCharge
ReactantCatecholHCID 289—
ReactantTriethylamineHCID 8471—
ReactantPhosphorodichloridic acid, propyl esterHCID 517771—
SolventDiethyl EtherHCID 3283—
Product2-Propoxy-2H-1,3,2lambda~5~-benzodioxaphosphol-2-oneHCID 15700831101.8%

Reaction Steps

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).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04642365
Source datasetuspto-grants-1987_02
ORD IDord-7bc211a2e0874192b5ff4cfb72378056
Source noteuspto-grants-1987_02