ethyl 1-butyryl-3-(5-chloro-2-nitrobenzoyl)-Δ²-pyrazoline-5-carboxylate

Base Information

Chemical Name:ethyl 1-butyryl-3-(5-chloro-2-nitrobenzoyl)-Δ²-pyrazoline-5-carboxylate
CAS No.:710300-54-2
Molecular Formula:C₁₇H₁₈ClN₃O₆
Molecular Weight:395.799
Hs Code.:

ethyl 1-butyryl-3-(5-chloro-2-nitrobenzoyl)-Δ<sup>2</sup>-pyrazoline-5-carboxylate

Synonyms:ethyl 1-butyryl-3-(5-chloro-2-nitrobenzoyl)-Δ²-pyrazoline-5-carboxylate

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Chemical Property of ethyl 1-butyryl-3-(5-chloro-2-nitrobenzoyl)-Δ²-pyrazoline-5-carboxylate

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Technology Process of ethyl 1-butyryl-3-(5-chloro-2-nitrobenzoyl)-Δ²-pyrazoline-5-carboxylate

There total 2 articles about ethyl 1-butyryl-3-(5-chloro-2-nitrobenzoyl)-Δ²-pyrazoline-5-carboxylate 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: 98.0%

: 141-75-3
butyryl chloride

: 710300-10-0
ethyl 3-(5-chloro-2-nitrobenzoyl)-Δ²-pyrazoline-5-carboxylate

: 710300-54-2
ethyl 1-butyryl-3-(5-chloro-2-nitrobenzoyl)-Δ²-pyrazoline-5-carboxylate

Guidance literature:: With triethylamine; In dichloromethane; at 20 ℃; for 3h;
DOI:10.1016/j.tet.2004.03.013

Reference yield:

: 710300-01-9
5-chloro-2-nitrophenyl vinyl ketone

: 710300-54-2
ethyl 1-butyryl-3-(5-chloro-2-nitrobenzoyl)-Δ²-pyrazoline-5-carboxylate

Guidance literature:: Multi-step reaction with 2 steps

1: 85 percent / pyridine / acetonitrile / 10 h

2: 98 percent / triethylamine / CH₂Cl₂ / 3 h / 20 °C

With pyridine; triethylamine; In dichloromethane; acetonitrile;
DOI:10.1016/j.tet.2004.03.013