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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...
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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](/upload/2025/4/f978c629-fcaf-4ca8-ab42-2be005a357cc.png)
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](/upload/2025/4/c219a34a-ddc6-4f98-a430-d6c7d44e9a23.png)
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](/upload/2025/4/f978c629-fcaf-4ca8-ab42-2be005a357cc.png)
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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