7-dimethylaminomethyl-6,8-difluoro-2-(3-fluoro-4-pivaloylaminophenyl)-5-pivaloylamino-4H-1-benzopyran-4-one

Base Information

Chemical Name:7-dimethylaminomethyl-6,8-difluoro-2-(3-fluoro-4-pivaloylaminophenyl)-5-pivaloylamino-4H-1-benzopyran-4-one
CAS No.:165180-41-6
Molecular Formula:C₂₈H₃₂F₃N₃O₄
Molecular Weight:531.575
Hs Code.:

Synonyms:7-dimethylaminomethyl-6,8-difluoro-2-(3-fluoro-4-pivaloylaminophenyl)-5-pivaloylamino-4H-1-benzopyran-4-one

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Chemical Property of 7-dimethylaminomethyl-6,8-difluoro-2-(3-fluoro-4-pivaloylaminophenyl)-5-pivaloylamino-4H-1-benzopyran-4-one

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Technology Process of 7-dimethylaminomethyl-6,8-difluoro-2-(3-fluoro-4-pivaloylaminophenyl)-5-pivaloylamino-4H-1-benzopyran-4-one

There total 8 articles about 7-dimethylaminomethyl-6,8-difluoro-2-(3-fluoro-4-pivaloylaminophenyl)-5-pivaloylamino-4H-1-benzopyran-4-one which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 100.0%

: 506-59-2
N,N-dimethylammonium chloride

: 165180-39-2
6,8-difluoro-2-(3-fluoro-4-pivaloylaminophenyl)-7-methanesulfonyloxymethyl-5-pivaloylamino-4H-1-benzopyran-4-one

: 165180-41-6
7-dimethylaminomethyl-6,8-difluoro-2-(3-fluoro-4-pivaloylaminophenyl)-5-pivaloylamino-4H-1-benzopyran-4-one

Guidance literature:: With potassium carbonate; In N,N-dimethyl-formamide; for 0.75h; Ambient temperature;
DOI:10.1021/jm970728z

Reference yield:

: 152835-78-4
ethyl 3,5-difluoro-6-(N-pivaloylamino)-2-(2-tetrahydropyranyloxy)benzoate

: 165180-41-6
7-dimethylaminomethyl-6,8-difluoro-2-(3-fluoro-4-pivaloylaminophenyl)-5-pivaloylamino-4H-1-benzopyran-4-one

Guidance literature:: Multi-step reaction with 7 steps

1: 1.) LDA / 1.) THF, hexane, -78 deg C, 2 h, 2.) THF, hexane, -78 deg C, 30 min

2: 98 percent / NaBH₄ / methanol / 1 h

3: 98 percent / imidazole / CH₂Cl₂ / 0.5 h / Heating

4: NaH / dioxane; toluene / 2 h / Heating

5: conc. aq. HCl / ethanol / 14 h / Ambient temperature

6: 94 percent / Et₃N / dimethylformamide / 0.17 h / Ambient temperature

7: 100 percent / K₂CO₃ / dimethylformamide / 0.75 h / Ambient temperature

With 1H-imidazole; hydrogenchloride; sodium tetrahydroborate; sodium hydride; potassium carbonate; triethylamine; lithium diisopropyl amide; In 1,4-dioxane; methanol; ethanol; dichloromethane; N,N-dimethyl-formamide; toluene;
DOI:10.1021/jm970728z

Reference yield:

: 152835-84-2
ethyl 3,5-difluoro-6-pivaloylamino-2-(2-tetrahydropyranyloxy)-4-trimethylsilylbenzoate

: 165180-41-6
7-dimethylaminomethyl-6,8-difluoro-2-(3-fluoro-4-pivaloylaminophenyl)-5-pivaloylamino-4H-1-benzopyran-4-one

Guidance literature:: Multi-step reaction with 8 steps

1: 100 percent / TBAF / tetrahydrofuran / 0.5 h / 0 °C

2: 1.) LDA / 1.) THF, hexane, -78 deg C, 2 h, 2.) THF, hexane, -78 deg C, 30 min

3: 98 percent / NaBH₄ / methanol / 1 h

4: 98 percent / imidazole / CH₂Cl₂ / 0.5 h / Heating

5: NaH / dioxane; toluene / 2 h / Heating

6: conc. aq. HCl / ethanol / 14 h / Ambient temperature

7: 94 percent / Et₃N / dimethylformamide / 0.17 h / Ambient temperature

8: 100 percent / K₂CO₃ / dimethylformamide / 0.75 h / Ambient temperature

With 1H-imidazole; hydrogenchloride; sodium tetrahydroborate; tetrabutyl ammonium fluoride; sodium hydride; potassium carbonate; triethylamine; lithium diisopropyl amide; In tetrahydrofuran; 1,4-dioxane; methanol; ethanol; dichloromethane; N,N-dimethyl-formamide; toluene;
DOI:10.1021/jm970728z