(rac)-5-(2-hydroxy-propyl)-2-phenoxymethyl-6,7-dihydro-5H-pyrazolo[1,5-a]pyrazin-4-one

Base Information

Chemical Name:(rac)-5-(2-hydroxy-propyl)-2-phenoxymethyl-6,7-dihydro-5H-pyrazolo[1,5-a]pyrazin-4-one
CAS No.:1382785-34-3
Molecular Formula:C₁₆H₁₉N₃O₃
Molecular Weight:301.345
Hs Code.:

Synonyms:(rac)-5-(2-hydroxy-propyl)-2-phenoxymethyl-6,7-dihydro-5H-pyrazolo[1,5-a]pyrazin-4-one

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Chemical Property of (rac)-5-(2-hydroxy-propyl)-2-phenoxymethyl-6,7-dihydro-5H-pyrazolo[1,5-a]pyrazin-4-one

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Technology Process of (rac)-5-(2-hydroxy-propyl)-2-phenoxymethyl-6,7-dihydro-5H-pyrazolo[1,5-a]pyrazin-4-one

There total 5 articles about (rac)-5-(2-hydroxy-propyl)-2-phenoxymethyl-6,7-dihydro-5H-pyrazolo[1,5-a]pyrazin-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: 51.0%

: 1382785-99-0
(rac)-5-[2-(tert-butyl-diphenyl-silanyloxy)-propyl]-2-phenoxymethyl-6,7-dihydro-5H-pyrazolo[1,5-a]pyrazin-4-one

: 1382785-34-3
(rac)-5-(2-hydroxy-propyl)-2-phenoxymethyl-6,7-dihydro-5H-pyrazolo[1,5-a]pyrazin-4-one

Guidance literature:: With tetrabutyl ammonium fluoride; In tetrahydrofuran; at 20 ℃; for 16h;

Reference yield:

: 856256-81-0
2,4-dioxo-5-phenoxypentanoic acid ethyl ester

: 1382785-34-3
(rac)-5-(2-hydroxy-propyl)-2-phenoxymethyl-6,7-dihydro-5H-pyrazolo[1,5-a]pyrazin-4-one

Guidance literature:: Multi-step reaction with 5 steps

1.1: hydrazine hydrate / ethanol / 80 °C

2.1: potassium carbonate / N,N-dimethyl-formamide / 16 h / 20 °C

3.1: hydrogenchloride / 1,4-dioxane / 1 h / 20 °C / Inert atmosphere

3.2: 72 h / 20 °C / Saturated solution

4.1: sodium hydride / tetrahydrofuran; mineral oil / 0 - 150 °C / Microwave irradiation

5.1: tetrabutyl ammonium fluoride / tetrahydrofuran / 16 h / 20 °C

With hydrogenchloride; tetrabutyl ammonium fluoride; sodium hydride; potassium carbonate; hydrazine hydrate; In tetrahydrofuran; 1,4-dioxane; ethanol; N,N-dimethyl-formamide; mineral oil;

Reference yield:

: 621-87-4
3-phenoxy-2-propanone

: 1382785-34-3
(rac)-5-(2-hydroxy-propyl)-2-phenoxymethyl-6,7-dihydro-5H-pyrazolo[1,5-a]pyrazin-4-one

Guidance literature:: Multi-step reaction with 6 steps

1.1: ethanol; sodium / 0 °C

1.2: 0 - 20 °C

2.1: hydrazine hydrate / ethanol / 80 °C

3.1: potassium carbonate / N,N-dimethyl-formamide / 16 h / 20 °C

4.1: hydrogenchloride / 1,4-dioxane / 1 h / 20 °C / Inert atmosphere

4.2: 72 h / 20 °C / Saturated solution

5.1: sodium hydride / tetrahydrofuran; mineral oil / 0 - 150 °C / Microwave irradiation

6.1: tetrabutyl ammonium fluoride / tetrahydrofuran / 16 h / 20 °C

With hydrogenchloride; ethanol; tetrabutyl ammonium fluoride; sodium; sodium hydride; potassium carbonate; hydrazine hydrate; In tetrahydrofuran; 1,4-dioxane; ethanol; N,N-dimethyl-formamide; mineral oil;