5-(2,3-dihydrobenzo[b][1,4]dioxin-6-yl)-3-(3-methoxyphenyl)pyrazolo[1,5-a]pyrimidin-7(4H)-one

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Chemical Name:5-(2,3-dihydrobenzo[b][1,4]dioxin-6-yl)-3-(3-methoxyphenyl)pyrazolo[1,5-a]pyrimidin-7(4H)-one
CAS No.:1404447-18-2
Molecular Formula:C₂₁H₁₇N₃O₄
Molecular Weight:375.384
Hs Code.:

Synonyms:5-(2,3-dihydrobenzo[b][1,4]dioxin-6-yl)-3-(3-methoxyphenyl)pyrazolo[1,5-a]pyrimidin-7(4H)-one

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Chemical Property of 5-(2,3-dihydrobenzo[b][1,4]dioxin-6-yl)-3-(3-methoxyphenyl)pyrazolo[1,5-a]pyrimidin-7(4H)-one

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Technology Process of 5-(2,3-dihydrobenzo[b][1,4]dioxin-6-yl)-3-(3-methoxyphenyl)pyrazolo[1,5-a]pyrimidin-7(4H)-one

There total 3 articles about 5-(2,3-dihydrobenzo[b][1,4]dioxin-6-yl)-3-(3-methoxyphenyl)pyrazolo[1,5-a]pyrimidin-7(4H)-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: 12.0%

: 74053-94-4
ethyl 3-(2,3-dihydrobenzo[b][1,4]dioxin-6-yl)-3-oxopropanoate

: 93690-16-5
4-(3-methoxyphenyl)-3⁽⁵⁾-aminopyrazole

: 1404447-18-2
5-(2,3-dihydrobenzo[b][1,4]dioxin-6-yl)-3-(3-methoxyphenyl)pyrazolo[1,5-a]pyrimidin-7(4H)-one

Guidance literature:: With acetic acid; at 110 ℃; Sealed tube;

Reference yield:

: 4442-54-0
2,3-dihydro-1,4-benzodioxin-6-carboxylic acid

: 1404447-18-2
5-(2,3-dihydrobenzo[b][1,4]dioxin-6-yl)-3-(3-methoxyphenyl)pyrazolo[1,5-a]pyrimidin-7(4H)-one

Guidance literature:: Multi-step reaction with 3 steps

1: dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride / dichloromethane / 20 °C

2: Reflux

3: acetic acid / 110 °C / Sealed tube

With dmap; acetic acid; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; In dichloromethane;

Reference yield:

: 19924-43-7
3-methoxyphenylacetonitrile

: 1404447-18-2
5-(2,3-dihydrobenzo[b][1,4]dioxin-6-yl)-3-(3-methoxyphenyl)pyrazolo[1,5-a]pyrimidin-7(4H)-one

Guidance literature:: Multi-step reaction with 3 steps

1: sodium / 50 °C

2: hydrazine hydrate / ethanol / 3 h / Reflux

3: acetic acid / 110 °C / Sealed tube

With sodium; hydrazine hydrate; acetic acid; In ethanol;