tert-butyl (3-bromo-5-(phenylsulfonyl)pyrazolo[1,5-a]pyrimidin-7-yl)((tetrahydro-2H-pyran-4-yl)methyl)carbamate

Base Information

• Chemical Name: tert-butyl (3-bromo-5-(phenylsulfonyl)pyrazolo[1,5-a]pyrimidin-7-yl)((tetrahydro-2H-pyran-4-yl)methyl)carbamate
• CAS No.: 1610680-38-0
• Molecular Formula: C₂₃H₂₇BrN₄O₅S
• Molecular Weight: 551.461
• Mol file: 1610680-38-0.mol

Synonyms:tert-butyl (3-bromo-5-(phenylsulfonyl)pyrazolo[1,5-a]pyrimidin-7-yl)((tetrahydro-2H-pyran-4-yl)methyl)carbamate

Chemical Property of tert-butyl (3-bromo-5-(phenylsulfonyl)pyrazolo[1,5-a]pyrimidin-7-yl)((tetrahydro-2H-pyran-4-yl)methyl)carbamate

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of tert-butyl (3-bromo-5-(phenylsulfonyl)pyrazolo[1,5-a]pyrimidin-7-yl)((tetrahydro-2H-pyran-4-yl)methyl)carbamate

There total 5 articles about tert-butyl (3-bromo-5-(phenylsulfonyl)pyrazolo[1,5-a]pyrimidin-7-yl)((tetrahydro-2H-pyran-4-yl)methyl)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: 97.0%

tert-butyl (3-bromo-5-chloropyrazolo[1,5-a]pyrimidin-7-yl)((tetrahydro-2H-pyran-4-yl)methyl)carbamate (1610679-57-6) + sodium benzenesulfonate (873-55-2) → tert-butyl (3-bromo-5-(phenylsulfonyl)pyrazolo[1,5-a]pyrimidin-7-yl)((tetrahydro-2H-pyran-4-yl)methyl)carbamate (1610680-38-0)

Guidance literature:

In N,N-dimethyl-formamide; at 60 ℃; for 2h;

Reference yield:

pyrazolo[1,5-a]pyrimidine-5,7(4H,6H)-dione (672323-32-9) → tert-butyl (3-bromo-5-(phenylsulfonyl)pyrazolo[1,5-a]pyrimidin-7-yl)((tetrahydro-2H-pyran-4-yl)methyl)carbamate (1610680-38-0)

Guidance literature:

Multi-step reaction with 5 steps

1: trichlorophosphate / N,N-dimethyl-aniline / 4 h / Reflux

2: N-Bromosuccinimide / acetonitrile / 2 h / 20 °C

3: N-ethyl-N,N-diisopropylamine / dichloromethane / 1 h / 0 - 20 °C

4: dmap; triethylamine / dichloromethane / 3 h / 20 °C

5: N,N-dimethyl-formamide / 2 h / 60 °C

With dmap; N-Bromosuccinimide; triethylamine; N-ethyl-N,N-diisopropylamine; trichlorophosphate; In dichloromethane; N,N-dimethyl-aniline; N,N-dimethyl-formamide; acetonitrile;

Reference yield:

5,7-dichloropyrazolo[1,5-a]pyrimidine (57489-77-7) → tert-butyl (3-bromo-5-(phenylsulfonyl)pyrazolo[1,5-a]pyrimidin-7-yl)((tetrahydro-2H-pyran-4-yl)methyl)carbamate (1610680-38-0)

Guidance literature:

Multi-step reaction with 4 steps

1: N-Bromosuccinimide / acetonitrile / 2 h / 20 °C

2: N-ethyl-N,N-diisopropylamine / dichloromethane / 1 h / 0 - 20 °C

3: dmap; triethylamine / dichloromethane / 3 h / 20 °C

4: N,N-dimethyl-formamide / 2 h / 60 °C

With dmap; N-Bromosuccinimide; triethylamine; N-ethyl-N,N-diisopropylamine; In dichloromethane; N,N-dimethyl-formamide; acetonitrile;

upstream raw materials:

pyrazolo[1,5-a]pyrimidine-5,7(4H,6H)-dione

5,7-dichloropyrazolo[1,5-a]pyrimidine

3-bromo-5,7-dichloropyrazolo[1,5-a]pyrimidine

tert-butyl (3-bromo-5-chloropyrazolo[1,5-a]pyrimidin-7-yl)((tetrahydro-2H-pyran-4-yl)methyl)carbamate

Downstream raw materials:

(S)-N-cyclopropyl-2-methyl-4-(7-(((tetrahydro-2H-pyran-4-yl)methyl)amino)-5-(((tetrahydrofuran-2-yl)methyl)amino)pyrazolo[1,5-a]pyrimidin-3-yl)benzamide hydrochloride

tert-butyl (3-(4-(cyclopropylcarbamoyl)-3-methylphenyl)-5-(phenylsulfonyl)pyrazolo[1,5-a]pyrimidin-7-yl)((tetrahydro-2H-pyran-4-yl)methyl)carbamate