ethyl 5,6-diaza-4-methyl-7-oxo-2,2,6-triphenylsipro[2,4]hept-4-ene-1-carboxylate

Base Information

• Chemical Name: ethyl 5,6-diaza-4-methyl-7-oxo-2,2,6-triphenylsipro[2,4]hept-4-ene-1-carboxylate
• CAS No.: 1100708-14-2
• Molecular Formula: C₂₇H₂₄N₂O₃
• Molecular Weight: 424.499

Synonyms:ethyl 5,6-diaza-4-methyl-7-oxo-2,2,6-triphenylsipro[2,4]hept-4-ene-1-carboxylate

Chemical Property of ethyl 5,6-diaza-4-methyl-7-oxo-2,2,6-triphenylsipro[2,4]hept-4-ene-1-carboxylate

Chemical Property:

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Technology Process of ethyl 5,6-diaza-4-methyl-7-oxo-2,2,6-triphenylsipro[2,4]hept-4-ene-1-carboxylate

There total 1 articles about ethyl 5,6-diaza-4-methyl-7-oxo-2,2,6-triphenylsipro[2,4]hept-4-ene-1-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: 60.0%

2,4-dihydro-5-methyl-2-phenyl-4-(diphenylmethylene)-3H-pyrazol-3-one (81000-30-8) + chloroacetic acid ethyl ester (105-39-5) → ethyl 5,6-diaza-4-methyl-7-oxo-2,2,6-triphenylsipro[2,4]hept-4-ene-1-carboxylate (1100708-14-2)

Guidance literature:

With sodium hydride; In N,N-dimethyl-formamide; at 0 - 5 ℃; for 2h;

DOI:10.1002/jhet.5570450653

Reference yield: 99.0%

ethyl 5,6-diaza-4-methyl-7-oxo-2,2,6-triphenylsipro[2,4]hept-4-ene-1-carboxylate (1100708-14-2) → ethyl 2-(5-methyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)-3,3-diphenylacrylate (1187037-53-1)

Guidance literature:

ethyl 5,6-diaza-4-methyl-7-oxo-2,2,6-triphenylsipro[2,4]hept-4-ene-1-carboxylate; With sodium hydride; In N,N-dimethyl-formamide; at 20 ℃; for 1h;

With hydrogenchloride; In water; N,N-dimethyl-formamide; Cooling with ice;

DOI:10.1002/jhet.117

Reference yield: 99.0%

ethyl 5,6-diaza-4-methyl-7-oxo-2,2,6-triphenylsipro[2,4]hept-4-ene-1-carboxylate (1100708-14-2) → ethyl 2-(5-hydroxy-3-methyl-1-phenyl-1H-pyrazol-4-yl)-3,3-diphenylacrylate sodium salt (1431540-84-9)

Guidance literature:

With sodium hydride; In N,N-dimethyl-formamide; at 20 ℃; for 1h;

DOI:10.1002/jhet.919

upstream raw materials:

2,4-dihydro-5-methyl-2-phenyl-4-(diphenylmethylene)-3H-pyrazol-3-one

chloroacetic acid ethyl ester

Downstream raw materials:

ethyl 2-(5-methyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)-3,3-diphenylacrylate

ethyl 2-[5-(cyanomethoxy)-3-methyl-1-phenyl-1H-pyrazol-4-yl]-3,3-diphenylacrylate

ethyl 6-cyano-3-methyl-1,5,5-triphenyl-1,4,5,6-tetrahydropyrano[2,3-c]pyrazole-4-carboxylate

ethyl 2-(5-hydroxy-3-methyl-1-phenyl-1H-pyrazol-4-yl)-3,3-diphenylacrylate sodium salt

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