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Purity:99%
InChI:InChI=1/C15H15NO3S/c1-11-3-6-13(10-16-11)15(17)9-12-4-7-14(8-5-12)20(2,18)19/h3-8,10H,9H2,1-2H3
The invention relates to an etoricoxib p...
The invention discloses a continuous flo...
The invention provides a preparation met...
The invention discloses a method for pre...
1-(6-methyl-pyridin-3-yl)-ethanone
4-bromoohenyl methyl sulfone
1-(6-methyl-3-pyridinyl)-2-[4-(methylsulfonyl)phenyl]ethanone
Conditions | Yield |
---|---|
With
potassium phosphate;
palladium(II) acetylacetonate; 4,5-bis(diphenylphosphino)-9,9-dimethylxanthene;
In
1-methyl-pyrrolidin-2-one;
at 100 ℃;
for 18h;
Product distribution / selectivity;
Inert atmosphere;
|
91% |
With
tris-(dibenzylideneacetone)dipalladium(0); 4,5-bis(diphenylphosphino)-9,9-dimethylxanthene; sodium t-butanolate;
In
toluene;
for 5h;
Concentration;
Inert atmosphere;
Reflux;
|
75% |
With
tris-(dibenzylideneacetone)dipalladium(0); 4,5-bis(diphenylphosphino)-9,9-dimethylxanthene; sodium t-butanolate;
In
toluene;
for 4h;
Concentration;
Inert atmosphere;
Reflux;
|
75% |
With
tris-(dibenzylideneacetone)dipalladium(0); 4,5-bis(diphenylphosphino)-9,9-dimethylxanthene; sodium t-butanolate;
In
toluene;
for 5h;
Concentration;
Inert atmosphere;
Reflux;
|
72% |
With
potassium phosphate;
palladium diacetate; 4,5-bis(diphenylphosphino)-9,9-dimethylxanthene;
In
1-methyl-pyrrolidin-2-one;
at 100 ℃;
for 18h;
Product distribution / selectivity;
Inert atmosphere;
|
94 %Chromat. |
With
palladium(II) acetylacetonate; potassium phosphate; 4,5-bis(diphenylphosphino)-9,9-dimethylxanthene;
In
1-methyl-pyrrolidin-2-one;
at 100 ℃;
for 16h;
Solvent;
Reagent/catalyst;
Temperature;
Inert atmosphere;
|
5.38 g |
With
potassium phosphate tribasic trihydrate; triphenylphosphine-3,3',3"-trisulfonic acid, trisodium salt; palladium diacetate; 4,5-bis(diphenylphosphino)-9,9-dimethylxanthene;
In
water;
at 80 - 90 ℃;
for 20h;
Temperature;
Time;
Inert atmosphere;
|
Methyl 6-methylnicotinate
lithium (4-methylsulfonylphenyl)acetate
1-(6-methylpyridin-3-yl)-2-({4-[2-(6-methylpyridin-3-yl)-2-oxoethyl]phenyl}sulfonyl)ethanone
1-(6-methyl-3-pyridinyl)-2-[4-(methylsulfonyl)phenyl]ethanone
Conditions | Yield |
---|---|
With
tert-butylmagnesium chloride;
In
tetrahydrofuran;
at 65 - 70 ℃;
for 1.5h;
|
78% |
Methyl 6-methylnicotinate
4-(methylsulfonyl)phenylacetic acid
1-(6-methyl-3-pyridinyl)-2-[4-(methyl sulfide)phenyl]ethanone
2-methyl-5-formylpyridine
3,5-dichloropyridine
etoricoxib
1-(6-methyl-3-pyridinyl)-3-(4-methanesulfonylphenyl)furan
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