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

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Chemical Name:(rac)-5-[2-(tert-butyl-diphenyl-silanyloxy)-propyl]-2-phenoxymethyl-6,7-dihydro-5H-pyrazolo[1,5-a]pyrazin-4-one
CAS No.:1382785-99-0
Molecular Formula:C₃₂H₃₇N₃O₃Si
Molecular Weight:539.75
Hs Code.:

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

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

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

There total 4 articles about (rac)-5-[2-(tert-butyl-diphenyl-silanyloxy)-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:

: (rac)-(2-bromo-1-methyl-ethoxy)-tert-butyl-diphenylsilane

: 1382782-07-1
2-(phenoxymethyl)-6,7-dihydropyrazolo[1,5-a]pyrazin-4(5H)-one

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

Guidance literature:: With sodium hydride; In tetrahydrofuran; mineral oil; at 0 - 150 ℃; Microwave irradiation;

Reference yield:

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

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

Guidance literature:: Multi-step reaction with 4 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

With hydrogenchloride; 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

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

Guidance literature:: Multi-step reaction with 5 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

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