6-benzyl-5-((RS)-1-hydroxy-propyl)-2-methyl-6H-pyrazolo[1,5-c]pyrimidin-7-one

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Chemical Name:6-benzyl-5-((RS)-1-hydroxy-propyl)-2-methyl-6H-pyrazolo[1,5-c]pyrimidin-7-one
CAS No.:960292-59-5
Molecular Formula:C₁₇H₁₉N₃O₂
Molecular Weight:297.357
Hs Code.:

Synonyms:6-benzyl-5-((RS)-1-hydroxy-propyl)-2-methyl-6H-pyrazolo[1,5-c]pyrimidin-7-one

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Chemical Property of 6-benzyl-5-((RS)-1-hydroxy-propyl)-2-methyl-6H-pyrazolo[1,5-c]pyrimidin-7-one

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Technology Process of 6-benzyl-5-((RS)-1-hydroxy-propyl)-2-methyl-6H-pyrazolo[1,5-c]pyrimidin-7-one

There total 6 articles about 6-benzyl-5-((RS)-1-hydroxy-propyl)-2-methyl-6H-pyrazolo[1,5-c]pyrimidin-7-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: 42.0%

: 960292-67-5
6-benzyl-3-bromo-2-methyl-7-oxo-6,7-dihydro-pyrazolo[1,5-c]pyrimidine-5-carbaldehyde

: 960292-59-5
6-benzyl-5-((RS)-1-hydroxy-propyl)-2-methyl-6H-pyrazolo[1,5-c]pyrimidin-7-one

Guidance literature:: ethylmagnesium bromide; With methyllithium; In tetrahydrofuran; diethyl ether; at -78 ℃; for 1h;

6-benzyl-3-bromo-2-methyl-7-oxo-6,7-dihydro-pyrazolo[1,5-c]pyrimidine-5-carbaldehyde; With 1,3-dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone; In tetrahydrofuran; diethyl ether; at -78 - -30 ℃; for 5h;

With water; ammonium chloride; In tetrahydrofuran; diethyl ether;

Reference yield:

: 1004-36-0
2,6-dimethylpyrone

: 960292-59-5
6-benzyl-5-((RS)-1-hydroxy-propyl)-2-methyl-6H-pyrazolo[1,5-c]pyrimidin-7-one

Guidance literature:: Multi-step reaction with 6 steps

1.1: sodium hydroxide; ethanol; water / 6 h / 60 - 100 °C

2.1: sodium carbonate / water / 1 h / 100 °C

3.1: potassium carbonate / N,N-dimethyl-formamide / 14 h / 20 °C

4.1: N-Bromosuccinimide; 2,2'-azobis(isobutyronitrile) / tetrachloromethane / 18 h / 20 °C

5.1: selenium(IV) oxide / 1,4-dioxane / 12 h / Heating / reflux

6.1: methyllithium / tetrahydrofuran; diethyl ether / 1 h / -78 °C

6.2: 5 h / -78 - -30 °C

With selenium(IV) oxide; sodium hydroxide; N-Bromosuccinimide; 2,2'-azobis(isobutyronitrile); ethanol; water; methyllithium; sodium carbonate; potassium carbonate; In tetrahydrofuran; 1,4-dioxane; tetrachloromethane; diethyl ether; water; N,N-dimethyl-formamide;

Reference yield:

: 960292-72-2
6-benzyl-2,5-dimethyl-6H-pyrazolo[1,5-c]pyrimidin-7-one

: 960292-59-5
6-benzyl-5-((RS)-1-hydroxy-propyl)-2-methyl-6H-pyrazolo[1,5-c]pyrimidin-7-one

Guidance literature:: Multi-step reaction with 3 steps

1.1: N-Bromosuccinimide; 2,2'-azobis(isobutyronitrile) / tetrachloromethane / 18 h / 20 °C

2.1: selenium(IV) oxide / 1,4-dioxane / 12 h / Heating / reflux

3.1: methyllithium / tetrahydrofuran; diethyl ether / 1 h / -78 °C

3.2: 5 h / -78 - -30 °C

With selenium(IV) oxide; N-Bromosuccinimide; 2,2'-azobis(isobutyronitrile); methyllithium; In tetrahydrofuran; 1,4-dioxane; tetrachloromethane; diethyl ether;