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

Base Information

Chemical Name:6,8-Difluoro-2-(3-fluoro-4-pivaloylaminophenyl)-5-pivaloylamino-4H-1-benzopyran-4-one
CAS No.:152835-71-7
Molecular Formula:C₂₅H₂₅F₃N₂O₄
Molecular Weight:474.48
Hs Code.:

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

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

Chemical Property:

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

There total 21 articles about 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:

: 130600-30-5
3'-fluoro-4'-pivaloylaminoacetophenone

: 152835-59-1
ethyl 3,5-difluoro-6-(N-ethoxycarbonyl-N-pivaloylamino)-2-methoxymethoxybenzoate

: 152835-71-7
6,8-Difluoro-2-(3-fluoro-4-pivaloylaminophenyl)-5-pivaloylamino-4H-1-benzopyran-4-one

Guidance literature:: With hydrogenchloride; sodium chloride; In 1,4-dioxane; ethanol; water;

Reference yield:

: 3282-30-2
pivaloyl chloride

: 152835-71-7
6,8-Difluoro-2-(3-fluoro-4-pivaloylaminophenyl)-5-pivaloylamino-4H-1-benzopyran-4-one

Guidance literature:: Multi-step reaction with 3 steps

1: piridine / 0.17 h / 0 °C

2: 1.) PdCl₂(PPh₃)2, 2.) 2M aq. HCl / 1.) toluene, 10 deg C, 8 h, 2.) toluene, RT, overnight

3: 1.) NaH, 2.) conc. HCl, 3.) TBAF

With pyridine; hydrogenchloride; bis-triphenylphosphine-palladium(II) chloride; tetrabutyl ammonium fluoride; sodium hydride;
DOI:10.1055/s-1997-1379

Reference yield:

: 367-24-8
4-bromo-2-fluoroaniline

: 152835-71-7
6,8-Difluoro-2-(3-fluoro-4-pivaloylaminophenyl)-5-pivaloylamino-4H-1-benzopyran-4-one

Guidance literature:: Multi-step reaction with 3 steps

1: piridine / 0.17 h / 0 °C

2: 1.) PdCl₂(PPh₃)2, 2.) 2M aq. HCl / 1.) toluene, 10 deg C, 8 h, 2.) toluene, RT, overnight

3: 1.) NaH, 2.) conc. HCl, 3.) TBAF

With pyridine; hydrogenchloride; bis-triphenylphosphine-palladium(II) chloride; tetrabutyl ammonium fluoride; sodium hydride;
DOI:10.1055/s-1997-1379