2-(4-(methoxycarbonyl)benzylidene)-5-oxopyrazolidin-2-ium-1-ide

Base Information

• Chemical Name: 2-(4-(methoxycarbonyl)benzylidene)-5-oxopyrazolidin-2-ium-1-ide
• CAS No.: 1173706-36-9
• Molecular Formula: C₁₂H₁₂N₂O₃
• Molecular Weight: 232.239

Synonyms:2-(4-(methoxycarbonyl)benzylidene)-5-oxopyrazolidin-2-ium-1-ide

Chemical Property of 2-(4-(methoxycarbonyl)benzylidene)-5-oxopyrazolidin-2-ium-1-ide

Chemical Property:

Purity/Quality:

98% ^*data from raw suppliers

Safty Information:

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Technology Process of 2-(4-(methoxycarbonyl)benzylidene)-5-oxopyrazolidin-2-ium-1-ide

There total 1 articles about 2-(4-(methoxycarbonyl)benzylidene)-5-oxopyrazolidin-2-ium-1-ide 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: 67.0%

pyrazolidin-3-one (10234-72-7) + methyl 4-formylbenzoate (1571-08-0) → 2-(4-(methoxycarbonyl)benzylidene)-5-oxopyrazolidin-2-ium-1-ide (1173706-36-9)

Guidance literature:

In methanol; at 20 ℃; for 16h;

DOI:10.1021/ol101700v

Reference yield: 85.0%

2-(4-(methoxycarbonyl)benzylidene)-5-oxopyrazolidin-2-ium-1-ide (1173706-36-9) + sodium tetraphenyl borate (143-66-8) → C18H18N2O3 (1245187-52-3)

Guidance literature:

2-(4-(methoxycarbonyl)benzylidene)-5-oxopyrazolidin-2-ium-1-ide; sodium tetraphenyl borate; With C₄₂H₅₂Cl₂O₄Rh₂; In 1,4-dioxane; at 90 ℃; for 40h; Inert atmosphere;

With water; silica gel; In 1,4-dioxane; methanol; ethyl acetate; optical yield given as %ee; enantioselective reaction;

DOI:10.1021/ol101700v

Reference yield: 62.0%

2-(4-(methoxycarbonyl)benzylidene)-5-oxopyrazolidin-2-ium-1-ide (1173706-36-9) + 2-(trimethylsilyl)phenyl trifluoromethanesulfonate (88284-48-4) → C18H16N2O3 (1173706-24-5)

Guidance literature:

With tetrabutylammonium triphenyldifluorosilicate; In acetonitrile; at 20 ℃; for 24h;

DOI:10.1016/j.tetlet.2009.04.102

upstream raw materials:

pyrazolidin-3-one

methyl 4-formylbenzoate

Downstream raw materials:

C₁₈H₁₆N₂O₃

C₁₈H₁₈N₂O₃

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