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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2165047Generated: October 31, 2026

Tetraethyl methylenediphosphonate → HCID 23043560, compound

https://huagongshe.com/reaction/2165047

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTetraethyl methylenediphosphonateHCID 15455—
ReactantHCID 7067518HCID 7067518—
ReactantHCID 17803456HCID 17803456—
ProductHCID 23043560HCID 23043560—

Reaction Steps

Reaction of (imidazol-1-ylmethyl) p-toluenesulfonate with tetraethyl methanediphosphonate and hydrolysis of the primary ethanediphosphonate in accordance with Example 2 gives 2-(imidazol-1-yl)ethane-1,1-diphosphonic acid of m.p. 255° C. (dec.) and salts thereof, e.g. the disodium salt.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04939130
Source datasetuspto-grants-1990_07
ORD IDord-4f12af23538847e5b10caaa4a4be2d4e
Source noteuspto-grants-1990_07