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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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