<5-(cyclohexylcarbonyl)-2,4-dihydro-3H-pyrazol-3-ylidene>bisphosphonic acid tetraethyl ester

Base Information

Chemical Name:<5-(cyclohexylcarbonyl)-2,4-dihydro-3H-pyrazol-3-ylidene>bisphosphonic acid tetraethyl ester
CAS No.:132508-03-3
Molecular Formula:C₁₈H₃₄N₂O₇P₂
Molecular Weight:452.425
Hs Code.:

Synonyms:<5-(cyclohexylcarbonyl)-2,4-dihydro-3H-pyrazol-3-ylidene>bisphosphonic acid tetraethyl ester

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Chemical Property of <5-(cyclohexylcarbonyl)-2,4-dihydro-3H-pyrazol-3-ylidene>bisphosphonic acid tetraethyl ester

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Technology Process of <5-(cyclohexylcarbonyl)-2,4-dihydro-3H-pyrazol-3-ylidene>bisphosphonic acid tetraethyl ester

There total 2 articles about <5-(cyclohexylcarbonyl)-2,4-dihydro-3H-pyrazol-3-ylidene>bisphosphonic acid tetraethyl ester 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: 47.0%

: 31151-40-3
2-cyclohexyl-1-diazo-2-ethanone

: 37465-31-9
1,1-bis(diethylphosphono)ethylene

: 132508-03-3
<5-(cyclohexylcarbonyl)-2,4-dihydro-3H-pyrazol-3-ylidene>bisphosphonic acid tetraethyl ester

Guidance literature:: In diethyl ether; at 22 ℃; for 20h;
DOI:10.1021/jm00053a017

Reference yield:

: 1660-94-2
Tetraethyl methylenediphosphonate

: 132508-03-3
<5-(cyclohexylcarbonyl)-2,4-dihydro-3H-pyrazol-3-ylidene>bisphosphonic acid tetraethyl ester

Guidance literature:: Multi-step reaction with 2 steps

1: 1.) Et₂NH, 2.) p-toluenesulfonic acid / 1.) MeOH, reflux, 18 h, 2.) toluene, reflux, 18 h

2: 47 percent / diethyl ether / 20 h / 22 °C

With toluene-4-sulfonic acid; diethylamine; In diethyl ether;
DOI:10.1021/jm00053a017