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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1383027Generated: October 26, 2026

1,4-Dihydroxy-2,2,6,6-tetramethylpiperidine → 2,4,8,10-Tetra-tert-butyl-6-[1-hydroxy-2,2,6,6-tetramethylpiperidin-4-yloxy]-dibenzo[d,g][1,3,2]dioxaphosphocin

https://huagongshe.com/reaction/1383027

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1,4-Dihydroxy-2,2,6,6-tetramethylpiperidineHCID 5395—
ReactantPhosphorus trichlorideHCID 24387—
Reactant2,2'-Methylenebis(4,6-di-tert-butylphenol)HCID 84391—
SolventTriethylamineHCID 8471—
Product2,4,8,10-Tetra-tert-butyl-6-[1-hydroxy-2,2,6,6-tetramethylpiperidin-4-yloxy]-dibenzo[d,g][1,3,2]dioxaphosphocinHCID 70388782—

Reaction Steps

The above-named compound is prepared by the general procedure of Example 1 by reacting 8.8 ml of phosphorous trichloride, 42.54 grams of 2,2'-methylene bis-(4,6-di-tert-butylphenol), 36.8 ml of triethylamine and 11.03 grams of 1,4-dihydroxy-2,2,6,6-tetramethylpiperidine.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04808645
Source datasetuspto-grants-1989_02
ORD IDord-c36ed012a8e6492e933ac9657f88d11d
Source noteuspto-grants-1989_02