Methyl Methacrylate → 4-(3,5-Di-t-butyl-4-hydroxyphenyl)-2-butyl methacrylate

HRID 1729769Notes

Reaction equation

HRID 1729769 reaction equation
[C:1]([C:5]1[CH:6]=[C:7]([CH2:16][CH2:17][CH:18]([OH:20])[CH3:19])[CH:8]=[C:9]([C:12]([CH3:15])([CH3:14])[CH3:13])[C:10]=1[OH:11])([CH3:4])([CH3:3])[CH3:2].C[O:22][C:23](=O)[C:24]([CH3:26])=[CH2:25]>CC([O-])C.CC([O-])C.CC([O-])C.CC([O-])C.[Ti+4]>[C:23]([O:20][CH:18]([CH2:17][CH2:16][C:7]1[CH:6]=[C:5]([C:1]([CH3:4])([CH3:2])[CH3:3])[C:10]([OH:11])=[C:9]([C:12]([CH3:13])([CH3:15])[CH3:14])[CH:8]=1)[CH3:19])(=[O:22])[C:24]([CH3:26])=[CH2:25]

Participants

4

Reactant 2

HCID 6658Methyl MethacrylateHCID 212743504-(3,5-Di-t-butyl-4-hydroxyphenyl) butane-2-ol

Product 1

HCID 213178754-(3,5-Di-t-butyl-4-hydroxyphenyl)-2-butyl methacrylate

Reagents, catalysts & solvents 1

HCID 11026Titanium isopropoxideCatalyst

Procedure

A process as described in claim 2 where 4-(3,5-di-t-butyl-4-hydroxyphenyl)-butane-2-ol is esterified by reaction with methylmethacrylate in the presence of tetraisopropyl titanate to yield 4-(3,5-di-t-butyl-4-hydroxyphenyl)-2-butyl methacrylate.

Sources & evidence

ORD record
ord-4f48179b84bf458387c03cf9a3246b88
Source dataset
uspto-grants-1976_11
Patent number
US03989741

Reaction notes

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