tert-butyl [(1R,2R)-2-[({4-[6-(difluoromethoxy)pyrazolo[1,5-a]pyrimidin-3-yl]-5-ethylthiophen-2-yl}carbonyl)amino]-3,3-difluorocyclohexyl]carbamate

Base Information

Chemical Name:tert-butyl [(1R,2R)-2-[({4-[6-(difluoromethoxy)pyrazolo[1,5-a]pyrimidin-3-yl]-5-ethylthiophen-2-yl}carbonyl)amino]-3,3-difluorocyclohexyl]carbamate
CAS No.:1314894-25-1
Molecular Formula:C₂₅H₂₉F₄N₅O₄S
Molecular Weight:571.596
Hs Code.:

tert-butyl [(1R,2R)-2-[({4-[6-(difluoromethoxy)pyrazolo[1,5-a]pyrimidin-3-yl]-5-ethylthiophen-2-yl}carbonyl)amino]-3,3-difluorocyclohexyl]carbamate

Synonyms:tert-butyl [(1R,2R)-2-[({4-[6-(difluoromethoxy)pyrazolo[1,5-a]pyrimidin-3-yl]-5-ethylthiophen-2-yl}carbonyl)amino]-3,3-difluorocyclohexyl]carbamate

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Chemical Property of tert-butyl [(1R,2R)-2-[({4-[6-(difluoromethoxy)pyrazolo[1,5-a]pyrimidin-3-yl]-5-ethylthiophen-2-yl}carbonyl)amino]-3,3-difluorocyclohexyl]carbamate

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Technology Process of tert-butyl [(1R,2R)-2-[({4-[6-(difluoromethoxy)pyrazolo[1,5-a]pyrimidin-3-yl]-5-ethylthiophen-2-yl}carbonyl)amino]-3,3-difluorocyclohexyl]carbamate

There total 6 articles about tert-butyl [(1R,2R)-2-[({4-[6-(difluoromethoxy)pyrazolo[1,5-a]pyrimidin-3-yl]-5-ethylthiophen-2-yl}carbonyl)amino]-3,3-difluorocyclohexyl]carbamate 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:

: 1314893-98-5
3-bromo-6-(difluoromethoxy)pyrazolo[1,5-a]pyrimidine

: 1314893-89-4
tert-butyl (1R,2R)-2-({[5-ethyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thiophen-2-yl]carbonyl}amino)-3,3-difluorocyclohexylcarbamate

: 1314894-25-1
tert-butyl [(1R,2R)-2-[({4-[6-(difluoromethoxy)pyrazolo[1,5-a]pyrimidin-3-yl]-5-ethylthiophen-2-yl}carbonyl)amino]-3,3-difluorocyclohexyl]carbamate

Guidance literature:: With sodium carbonate; tetrakis(triphenylphosphine) palladium⁽⁰⁾; In water; N,N-dimethyl-formamide; at 85 ℃; for 16h; Inert atmosphere;

Reference yield:

: 40477-61-0
5-ethyl-4-bromo-thiophene-2-carboxylic acid

: 1314894-25-1
tert-butyl [(1R,2R)-2-[({4-[6-(difluoromethoxy)pyrazolo[1,5-a]pyrimidin-3-yl]-5-ethylthiophen-2-yl}carbonyl)amino]-3,3-difluorocyclohexyl]carbamate

Guidance literature:: Multi-step reaction with 3 steps

1.1: (benzotriazo-1-yloxy)tris(dimethylamino)phosphonium hexafluorophosphate / N,N-dimethyl-formamide / 0.08 h / 20 °C

1.2: 64 h / 20 °C

2.1: potassium acetate / dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)*CH₂Cl₂; 1,1'-bis-(diphenylphosphino)ferrocene / 1,4-dioxane / 80 h / 85 - 90 °C / Inert atmosphere

3.1: sodium carbonate / tetrakis(triphenylphosphine) palladium⁽⁰⁾ / N,N-dimethyl-formamide; water / 16 h / 85 °C / Inert atmosphere

With potassium acetate; sodium carbonate; (benzotriazo-1-yloxy)tris(dimethylamino)phosphonium hexafluorophosphate; 1,1'-bis-(diphenylphosphino)ferrocene; tetrakis(triphenylphosphine) palladium⁽⁰⁾; dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)*CH₂Cl₂; In 1,4-dioxane; water; N,N-dimethyl-formamide;

Reference yield:

: 55405-68-0
3,6-dibromopyrazolo[1,5-a]pyrimidine

: 1314894-25-1
tert-butyl [(1R,2R)-2-[({4-[6-(difluoromethoxy)pyrazolo[1,5-a]pyrimidin-3-yl]-5-ethylthiophen-2-yl}carbonyl)amino]-3,3-difluorocyclohexyl]carbamate

Guidance literature:: Multi-step reaction with 3 steps

1: potassium hydroxide / methanol / 64 h / 65 °C

2: potassium carbonate / water; N,N-dimethyl acetamide / 16 h / 100 °C

3: sodium carbonate / tetrakis(triphenylphosphine) palladium⁽⁰⁾ / N,N-dimethyl-formamide; water / 16 h / 85 °C / Inert atmosphere

With sodium carbonate; potassium carbonate; potassium hydroxide; tetrakis(triphenylphosphine) palladium⁽⁰⁾; In methanol; N,N-dimethyl acetamide; water; N,N-dimethyl-formamide;