4,7-dihydro-5-(4-methoxyphenyl)-7-oxopyrazolo[1,5-a]pyrimidine-3-carboxylic acid sodium salt

Base Information

Chemical Name:4,7-dihydro-5-(4-methoxyphenyl)-7-oxopyrazolo[1,5-a]pyrimidine-3-carboxylic acid sodium salt
CAS No.:1076206-25-1
Molecular Formula:C₁₄H₁₀N₃O₄*Na
Molecular Weight:307.241
Hs Code.:

Synonyms:4,7-dihydro-5-(4-methoxyphenyl)-7-oxopyrazolo[1,5-a]pyrimidine-3-carboxylic acid sodium salt

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Chemical Property of 4,7-dihydro-5-(4-methoxyphenyl)-7-oxopyrazolo[1,5-a]pyrimidine-3-carboxylic acid sodium salt

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Technology Process of 4,7-dihydro-5-(4-methoxyphenyl)-7-oxopyrazolo[1,5-a]pyrimidine-3-carboxylic acid sodium salt

There total 1 articles about 4,7-dihydro-5-(4-methoxyphenyl)-7-oxopyrazolo[1,5-a]pyrimidine-3-carboxylic acid sodium salt 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:

: 2881-83-6
ethyl 4-methoxybenzoylacetate

: 1076206-25-1
4,7-dihydro-5-(4-methoxyphenyl)-7-oxopyrazolo[1,5-a]pyrimidine-3-carboxylic acid sodium salt

Guidance literature:: Multi-step reaction with 2 steps

1: acetic acid / 16 - 24 h / 80 - 130 °C

2: ethanol; water / 4 - 16 h / 70 °C

With ethanol; water; acetic acid;

Reference yield:

: 1076206-25-1
4,7-dihydro-5-(4-methoxyphenyl)-7-oxopyrazolo[1,5-a]pyrimidine-3-carboxylic acid sodium salt

: 1076206-26-2
7-chloro-5-(4-methoxyphenyl)pyrazolo[1,5-a]pyrimidine-3-carbonyl chloride

Guidance literature:: With trichlorophosphate; at 70 ℃; for 16 - 24h;

Reference yield:

: 1076206-25-1
4,7-dihydro-5-(4-methoxyphenyl)-7-oxopyrazolo[1,5-a]pyrimidine-3-carboxylic acid sodium salt

: 1076205-81-6
[5-(4-methoxyphenyl)-7-(1-methyl-1H-pyrazol-4-yl)pyrazolo[1,5-a]pyrimidin-3-yl][4-[(2,3,5-trifluorophenyl)methyl]-1-piperazinyl]methanone

Guidance literature:: Multi-step reaction with 3 steps

1: trichlorophosphate / 16 - 24 h / 70 °C

2: triethylamine / dichloromethane / 2 - 4 h / 0 - 20 °C

3: potassium carbonate / tetrakis(triphenylphosphine) palladium⁽⁰⁾ / 1,2-dimethoxyethane / 2.03 - 2.05 h / Heating / reflux

With potassium carbonate; triethylamine; trichlorophosphate; tetrakis(triphenylphosphine) palladium⁽⁰⁾; In 1,2-dimethoxyethane; dichloromethane;