5,6-dihydro-1-(phenylmethyl)-4(1H)-cyclopentapyrazolone-5-carboxaldehyde

Base Information

Chemical Name:5,6-dihydro-1-(phenylmethyl)-4(1H)-cyclopentapyrazolone-5-carboxaldehyde
CAS No.:115309-83-6
Molecular Formula:C₁₄H₁₂N₂O₂
Molecular Weight:240.261
Hs Code.:

Synonyms:5,6-dihydro-1-(phenylmethyl)-4(1H)-cyclopentapyrazolone-5-carboxaldehyde

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Chemical Property of 5,6-dihydro-1-(phenylmethyl)-4(1H)-cyclopentapyrazolone-5-carboxaldehyde

Chemical Property:

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Technology Process of 5,6-dihydro-1-(phenylmethyl)-4(1H)-cyclopentapyrazolone-5-carboxaldehyde

There total 5 articles about 5,6-dihydro-1-(phenylmethyl)-4(1H)-cyclopentapyrazolone-5-carboxaldehyde 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: 76.0%

: 115310-18-4
5,6-dihydro-1-(phenylmethyl)-4(1H)-cyclopentapyrazolone

: 109-94-4
formic acid ethyl ester

: 115309-83-6
5,6-dihydro-1-(phenylmethyl)-4(1H)-cyclopentapyrazolone-5-carboxaldehyde

Guidance literature:: With ethanol; sodium hydride; In tetrahydrofuran; for 18h; Heating;

Reference yield:

: 115310-18-4
5,6-dihydro-1-(phenylmethyl)-4(1H)-cyclopentapyrazolone

: 109-94-4
formic acid ethyl ester

: 115309-83-6
1-benzyl-5,6-dihydro-5-hydroxymethylene-4(1H)-cyclopentapyrazolone

Guidance literature:: In tetrahydrofuran; ethanol; water; mineral oil;

Reference yield:

: 85302-06-3
2-((N,N-dimethylamino)methylene)cyclopentane-1,3-dione

: 115309-83-6
5,6-dihydro-1-(phenylmethyl)-4(1H)-cyclopentapyrazolone-5-carboxaldehyde

Guidance literature:: Multi-step reaction with 3 steps

1: 53 percent / 5 N NaOH / methanol / 2 h / Heating

2: 44 percent / p-toluenesulfonic acid monohydrate / toluene / 15 h / Heating

3: 76 percent / sodium hydride, ethanol / tetrahydrofuran / 18 h / Heating

With sodium hydroxide; ethanol; sodium hydride; toluene-4-sulfonic acid; In tetrahydrofuran; methanol; toluene;