3-(8-chloro-1,4-dihydro-1-phenyl-[1]-benzothiopyrano[4,3-c]-pyrazol-3-yl)-3-oxo-propanenitrile

Base Information

Chemical Name:3-(8-chloro-1,4-dihydro-1-phenyl-[1]-benzothiopyrano[4,3-c]-pyrazol-3-yl)-3-oxo-propanenitrile
CAS No.:137776-04-6
Molecular Formula:C₁₉H₁₂ClN₃OS
Molecular Weight:365.843
Hs Code.:

Synonyms:3-(8-chloro-1,4-dihydro-1-phenyl-[1]-benzothiopyrano[4,3-c]-pyrazol-3-yl)-3-oxo-propanenitrile

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Chemical Property of 3-(8-chloro-1,4-dihydro-1-phenyl-[1]-benzothiopyrano[4,3-c]-pyrazol-3-yl)-3-oxo-propanenitrile

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Technology Process of 3-(8-chloro-1,4-dihydro-1-phenyl-[1]-benzothiopyrano[4,3-c]-pyrazol-3-yl)-3-oxo-propanenitrile

There total 4 articles about 3-(8-chloro-1,4-dihydro-1-phenyl-[1]-benzothiopyrano[4,3-c]-pyrazol-3-yl)-3-oxo-propanenitrile 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: 68.0%

: 137776-01-3
8-Chloro-1-phenyl-1,4-dihydro-thiochromeno[4,3-c]pyrazole-3-carboxylic acid ethyl ester

: 75-05-8,26809-02-9
acetonitrile

: 137776-04-6
3-(8-chloro-1,4-dihydro-1-phenyl-[1]-benzothiopyrano[4,3-c]-pyrazol-3-yl)-3-oxo-propanenitrile

Guidance literature:: With sodium hydride; In 1,4-dioxane; at 55 ℃;

Reference yield:

: 13735-12-1
6-chlorothiochroman-4-one

: 137776-04-6
3-(8-chloro-1,4-dihydro-1-phenyl-[1]-benzothiopyrano[4,3-c]-pyrazol-3-yl)-3-oxo-propanenitrile

Guidance literature:: Multi-step reaction with 3 steps

1: sodium ethoxide / ethanol

2: 59 percent / acetic acid / 50 °C

3: 68 percent / NaH / dioxane / 55 °C

With sodium ethanolate; sodium hydride; acetic acid; In 1,4-dioxane; ethanol;

Reference yield:

: 56876-45-0
ethyl 2-(6-chloro-4-oxo-3,4-dihydro-2H-3-thiochromenyl)-2-oxoacetate

: 137776-04-6
3-(8-chloro-1,4-dihydro-1-phenyl-[1]-benzothiopyrano[4,3-c]-pyrazol-3-yl)-3-oxo-propanenitrile

Guidance literature:: Multi-step reaction with 2 steps

1: 59 percent / acetic acid / 50 °C

2: 68 percent / NaH / dioxane / 55 °C

With sodium hydride; acetic acid; In 1,4-dioxane;