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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1084803Generated: October 25, 2026

Triethylamine → Dimethyl 3-(4-methoxycarbonylphenyl)-2-isoxazolin-5-ylphosphonate

https://huagongshe.com/reaction/1084803

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTriethylamineHCID 8471—
ReactantChlorosuccinimideHCID 31398—
ReactantDimethyl vinylphosphonateHCID 78376—
ReactantMethyl 4-(hydroxyamino)benzoateHCID 11137507—
ProductDimethyl 3-(4-methoxycarbonylphenyl)-2-isoxazolin-5-ylphosphonateHCID 14460581—

Reaction Steps

Reaction of 80.6 g (0.45 mol) of methyl 4-hydroxyaminobenzoate, 67.0 g (0.5 mol) of N-chlorosuccinimide, 61.25 g (0.45 mol) of dimethyl vinylphosphonate and 78.45 ml (0.56 mol) of triethylamine as in Example 1 provides, after recrystallization from tert.butyl methyl ether, 115.2 g of pure product of melting point 93° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05006515
Source datasetuspto-grants-1991_04
ORD IDord-02d9460b3412401a8a35929ddf9a6867
Source noteuspto-grants-1991_04