3-(3-benzyloxy-4-methoxyphenyl)-1-methylpyrazolo[3,4-b]pyrrolizin-8(1H)-one

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Chemical Name:3-(3-benzyloxy-4-methoxyphenyl)-1-methylpyrazolo[3,4-b]pyrrolizin-8(1H)-one
CAS No.:916735-60-9
Molecular Formula:C₂₃H₁₉N₃O₃
Molecular Weight:385.422
Hs Code.:

Synonyms:3-(3-benzyloxy-4-methoxyphenyl)-1-methylpyrazolo[3,4-b]pyrrolizin-8(1H)-one

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Chemical Property of 3-(3-benzyloxy-4-methoxyphenyl)-1-methylpyrazolo[3,4-b]pyrrolizin-8(1H)-one

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Technology Process of 3-(3-benzyloxy-4-methoxyphenyl)-1-methylpyrazolo[3,4-b]pyrrolizin-8(1H)-one

There total 5 articles about 3-(3-benzyloxy-4-methoxyphenyl)-1-methylpyrazolo[3,4-b]pyrrolizin-8(1H)-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: 72.0%

: 916735-58-5
3-(3-benzyloxy-4-methoxyphenyl)-1-methyl-5-(pyrrolidin-1-ylcarbonyl)-4-(1H-pyrrol-1-yl)-1H-pyrazole

: 916735-60-9
3-(3-benzyloxy-4-methoxyphenyl)-1-methylpyrazolo[3,4-b]pyrrolizin-8(1H)-one

Guidance literature:: 3-(3-benzyloxy-4-methoxyphenyl)-1-methyl-5-(pyrrolidin-1-ylcarbonyl)-4-(1H-pyrrol-1-yl)-1H-pyrazole; With trichlorophosphate;

With sodium hydroxide; Further stages.;
DOI:10.3987/COM-06-10824

Reference yield:

: 1699-39-4
2-(3-(benzyloxy)-4-methoxyphenyl)acetonitrile

: 916735-60-9
3-(3-benzyloxy-4-methoxyphenyl)-1-methylpyrazolo[3,4-b]pyrrolizin-8(1H)-one

Guidance literature:: Multi-step reaction with 5 steps

1.1: 62 percent / sodium ethoxide / ethanol / 0 °C

2.1: 4-chloropyridine hydrochloride / dioxane / 0.25 h

2.2: 83 percent / dioxane / Heating

3.1: 63 percent / 24 h / Heating

4.1: 41 percent / NaH / dimethylformamide / 12 h / 20 °C

5.1: POCl₃

5.2: 72 percent / aq. NaOH

With sodium ethanolate; 4-chlorpyridine hydrochloride; sodium hydride; trichlorophosphate; In 1,4-dioxane; ethanol; N,N-dimethyl-formamide; 2.1: Clauson-Kaas reaction;
DOI:10.3987/COM-06-10824

Reference yield:

: 757189-11-0
ethyl 4-amino-5-(3-benzyloxy-4-methoxyphenyl)-2H-pyrazole-3-carboxylate

: 916735-60-9
3-(3-benzyloxy-4-methoxyphenyl)-1-methylpyrazolo[3,4-b]pyrrolizin-8(1H)-one

Guidance literature:: Multi-step reaction with 4 steps

1.1: 4-chloropyridine hydrochloride / dioxane / 0.25 h

1.2: 83 percent / dioxane / Heating

2.1: 63 percent / 24 h / Heating

3.1: 41 percent / NaH / dimethylformamide / 12 h / 20 °C

4.1: POCl₃

4.2: 72 percent / aq. NaOH

With 4-chlorpyridine hydrochloride; sodium hydride; trichlorophosphate; In 1,4-dioxane; N,N-dimethyl-formamide; 1.1: Clauson-Kaas reaction;
DOI:10.3987/COM-06-10824