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

HRID 1383027Notes

Reaction equation

HRID 1383027 reaction equation
[P:1](Cl)(Cl)Cl.[CH2:5]([C:21]1[CH:26]=[C:25]([C:27]([CH3:30])([CH3:29])[CH3:28])[CH:24]=[C:23]([C:31]([CH3:34])([CH3:33])[CH3:32])[C:22]=1[OH:35])[C:6]1[CH:11]=[C:10]([C:12]([CH3:15])([CH3:14])[CH3:13])[CH:9]=[C:8]([C:16]([CH3:19])([CH3:18])[CH3:17])[C:7]=1[OH:20].[OH:36][N:37]1[C:42]([CH3:44])([CH3:43])[CH2:41][CH:40]([OH:45])[CH2:39][C:38]1([CH3:47])[CH3:46]>C(N(CC)CC)C>[C:27]([C:25]1[CH:24]=[C:23]([C:31]([CH3:34])([CH3:33])[CH3:32])[C:22]2[O:35][P:1]([O:45][CH:40]3[CH2:41][C:42]([CH3:43])([CH3:44])[N:37]([OH:36])[C:38]([CH3:47])([CH3:46])[CH2:39]3)[O:20][C:7]3[C:8]([C:16]([CH3:19])([CH3:18])[CH3:17])=[CH:9][C:10]([C:12]([CH3:15])([CH3:13])[CH3:14])=[CH:11][C:6]=3[CH2:5][C:21]=2[CH:26]=1)([CH3:30])([CH3:29])[CH3:28]

Participants

5

Reactant 3

HCID 53951,4-Dihydroxy-2,2,6,6-tetramethylpiperidineHCID 24387Phosphorus trichlorideHCID 843912,2'-Methylenebis(4,6-di-tert-butylphenol)

Product 1

HCID 703887822,4,8,10-Tetra-tert-butyl-6-[1-hydroxy-2,2,6,6-tetramethylpiperidin-4-yloxy]-dibenzo[d,g][1,3,2]dioxaphosphocin

Reagents, catalysts & solvents 1

HCID 8471TriethylamineSolvent

Procedure

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.

Workup

  1. customThe above-named compound is prepared by the general procedure of Example 1

Sources & evidence

ORD record
ord-c36ed012a8e6492e933ac9657f88d11d
Source dataset
uspto-grants-1989_02
Patent number
US04808645

Reaction notes

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