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]-12-methyl-12H-dibenzo[d,g][1,3,2]-dioxaphosphocin

HRID 1383028Notes

Reaction equation

HRID 1383028 reaction equation
[P:1](Cl)(Cl)Cl.[CH:5]([C:22]1[CH:27]=[C:26]([C:28]([CH3:31])([CH3:30])[CH3:29])[CH:25]=[C:24]([C:32]([CH3:35])([CH3:34])[CH3:33])[C:23]=1[OH:36])([C:7]1[CH:12]=[C:11]([C:13]([CH3:16])([CH3:15])[CH3:14])[CH:10]=[C:9]([C:17]([CH3:20])([CH3:19])[CH3:18])[C:8]=1[OH:21])[CH3:6].[OH:37][N:38]1[C:43]([CH3:45])([CH3:44])[CH2:42][CH:41]([OH:46])[CH2:40][C:39]1([CH3:48])[CH3:47]>C(N(CC)CC)C>[C:28]([C:26]1[CH:25]=[C:24]([C:32]([CH3:35])([CH3:34])[CH3:33])[C:23]2[O:36][P:1]([O:46][CH:41]3[CH2:42][C:43]([CH3:44])([CH3:45])[N:38]([OH:37])[C:39]([CH3:48])([CH3:47])[CH2:40]3)[O:21][C:8]3[C:9]([C:17]([CH3:20])([CH3:18])[CH3:19])=[CH:10][C:11]([C:13]([CH3:16])([CH3:14])[CH3:15])=[CH:12][C:7]=3[CH:5]([CH3:6])[C:22]=2[CH:27]=1)([CH3:31])([CH3:30])[CH3:29]

Participants

5

Reactant 3

HCID 53951,4-Dihydroxy-2,2,6,6-tetramethylpiperidineHCID 24387Phosphorus trichlorideHCID 1188992,2'-Ethylidenebis(4,6-di-tert-butylphenol)

Product 1

HCID 212737242,4,8,10-Tetra-tert-butyl-6-[1-hydroxy-2,2,6,6-tetramethylpiperidin-4-yloxy]-12-methyl-12H-dibenzo[d,g][1,3,2]-dioxaphosphocin

Reagents, catalysts & solvents 1

HCID 8471TriethylamineSolvent

Procedure

The above-named compound is prepared using the general procedure of Example 1 by reacting 4.4 ml of phosphorous trichloride, 21.94 grams of 2,2'-ethylidenebis(4,6-di-tert-butylphenol), 19.3 ml of triethylamine and 6.68 grams of 1,4-dihydroxy-2,2,6,6-tetramethylpiperidine.

Workup

  1. customThe above-named compound is prepared

Sources & evidence

ORD record
ord-5c7974e745bf422b839defa12bd80747
Source dataset
uspto-grants-1989_02
Patent number
US04808645

Reaction notes

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