dimethyl 4,4'-{(5-Methyl-2-phenylpyrazolo[1,5-a]pyrimidin-7-yl)methylene}dibenzoate

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Chemical Name:dimethyl 4,4'-{(5-Methyl-2-phenylpyrazolo[1,5-a]pyrimidin-7-yl)methylene}dibenzoate
CAS No.:1380212-97-4
Molecular Formula:C₃₀H₂₅N₃O₄
Molecular Weight:491.546
Hs Code.:

Synonyms:dimethyl 4,4'-{(5-Methyl-2-phenylpyrazolo[1,5-a]pyrimidin-7-yl)methylene}dibenzoate

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Chemical Property of dimethyl 4,4'-{(5-Methyl-2-phenylpyrazolo[1,5-a]pyrimidin-7-yl)methylene}dibenzoate

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Technology Process of dimethyl 4,4'-{(5-Methyl-2-phenylpyrazolo[1,5-a]pyrimidin-7-yl)methylene}dibenzoate

There total 2 articles about dimethyl 4,4'-{(5-Methyl-2-phenylpyrazolo[1,5-a]pyrimidin-7-yl)methylene}dibenzoate 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: 50.0%

: 87119-67-3
5,7-Dimethyl-2-phenylpyrazolo<1,5-a>pyrimidine

: 619-42-1
4-methoxycarbonylphenyl bromide

: 1380212-97-4
dimethyl 4,4'-{(5-Methyl-2-phenylpyrazolo[1,5-a]pyrimidin-7-yl)methylene}dibenzoate

Guidance literature:: With tetrakis(triphenylphosphine) palladium⁽⁰⁾; palladium diacetate; caesium carbonate; In toluene; at 110 ℃; for 24h; regioselective reaction; Inert atmosphere;
DOI:10.1002/ejoc.201101833

Reference yield:

: 1572-10-7
3⁽⁵⁾-phenylpyrazol-5⁽³⁾-amine

: 1380212-97-4
dimethyl 4,4'-{(5-Methyl-2-phenylpyrazolo[1,5-a]pyrimidin-7-yl)methylene}dibenzoate

Guidance literature:: Multi-step reaction with 2 steps

1: hydrogenchloride / water / 10 h / Reflux

2: tetrakis(triphenylphosphine) palladium⁽⁰⁾; palladium diacetate; caesium carbonate / toluene / 24 h / 110 °C / Inert atmosphere

With hydrogenchloride; tetrakis(triphenylphosphine) palladium⁽⁰⁾; palladium diacetate; caesium carbonate; In water; toluene;
DOI:10.1002/ejoc.201101833