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pd_meltingpoint:0°C
Purity:99%
We report here a mechanistically distinc...
The transition-metal-catalyzed allylatio...
The invention relates to a method for pr...
A synergistic catalytic method combining...
tert-butyl bromoisobutyrate
methyl 5-chloro-2,4-dihydroxybenzoate
4-(1-tert-butoxycarbonyl-1-methylethoxy)-5-chloro-2-hydroxybenzoic acid methyl ester
tert-Butyl methacrylate
| Conditions | Yield |
|---|---|
|
tert-butyl bromoisobutyrate; methyl 5-chloro-2,4-dihydroxybenzoate;
With
tetrabutylammomium bromide; potassium carbonate;
In
1-methyl-pyrrolidin-2-one;
at 60 - 65 ℃;
for 16h;
With
hydrogenchloride;
In
1-methyl-pyrrolidin-2-one; water;
pH=~ 4;
|
72.2% |
|
tert-butyl bromoisobutyrate; methyl 5-chloro-2,4-dihydroxybenzoate;
With
potassium carbonate;
tetrabutylammomium bromide;
In
1-methyl-pyrrolidin-2-one;
at 60 - 65 ℃;
for 16h;
With
hydrogenchloride;
In
1-methyl-pyrrolidin-2-one; water;
pH=~ 4;
|
72.2% |
|
With
tetrabutylammomium bromide; potassium carbonate;
In
1-methyl-pyrrolidin-2-one;
at 60 - 65 ℃;
for 16h;
|
72.2% |
2-methylpropenal
tert-butyl alcohol
tert-Butyl methacrylate
| Conditions | Yield |
|---|---|
|
2-methylpropenal;
With
tert-butylhypochlorite;
In
tetrachloromethane;
at 20 - 50 ℃;
for 5.5 - 6.5h;
tert-butyl alcohol;
With
triethylamine;
In
tetrachloromethane;
at 0 - 20 ℃;
for 19.5h;
|
sodium t-butanolate
Methacryloyl chloride
tert-butyl alcohol
1,2-propanediene
tert-butyl 2-methylpropanoate
t-butyl 3-formyl-2-methylpropionate
tert-butyl 3,3-bis(4-methoxyphenyl)-2-methylacrylate
(E)-1-benzyl-5-[2-(tert-butoxycarbonyl)propenyl]-2-(4-methoxyphenyl)-2,3-dihydropyridin-4(1H)-one
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