tert-butyl 2-(4-nitrobenzoyl)tetrahydro-1(2H)-pyridazinecarboxylate

Base Information

• Chemical Name: tert-butyl 2-(4-nitrobenzoyl)tetrahydro-1(2H)-pyridazinecarboxylate
• CAS No.: 443295-21-4
• Molecular Formula: C₁₆H₂₁N₃O₅
• Molecular Weight: 335.36
• Mol file: 443295-21-4.mol

Synonyms:tert-butyl 2-(4-nitrobenzoyl)hexahydropyridazine-1-carboxylate

Chemical Property of tert-butyl 2-(4-nitrobenzoyl)tetrahydro-1(2H)-pyridazinecarboxylate

Chemical Property:

• Melting Point: 106-108°

Purity/Quality:

97% ^*data from raw suppliers

tert-Butyl 2-(4-nitrobenzoyl)tetrahydro-1(2H)-pyridazinecarboxylate >95% ^*data from reagent suppliers

Safty Information:

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Technology Process of tert-butyl 2-(4-nitrobenzoyl)tetrahydro-1(2H)-pyridazinecarboxylate

There total 3 articles about tert-butyl 2-(4-nitrobenzoyl)tetrahydro-1(2H)-pyridazinecarboxylate 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: 91.0%

4-nitro-benzoyl chloride (122-04-3) + tert-butyl tetrahydropyridazine-1(2H)-carboxylate (154972-37-9) → tert-butyl 2-(4-nitrobenzoyl)hexahydropyridazine-1-carboxylate (443295-21-4)

Guidance literature:

With triethylamine; In dichloromethane; at 20 ℃;

DOI:10.1016/S0968-0896(01)00353-4

Reference yield:

1-tert-butoxycarbonyl-2-carbobenzyloxyhydrazine (57699-88-4) → tert-butyl 2-(4-nitrobenzoyl)hexahydropyridazine-1-carboxylate (443295-21-4)

Guidance literature:

Multi-step reaction with 3 steps

1: 91 percent / NaH / dimethylformamide / 20 °C

2: 98 percent / H₂ / Pd/C / methanol / 3 h / 20 °C / 760 Torr

3: 91 percent / Et₃N / CH₂Cl₂ / 20 °C

With hydrogen; sodium hydride; triethylamine; palladium on activated charcoal; In methanol; dichloromethane; N,N-dimethyl-formamide;

DOI:10.1016/S0968-0896(01)00353-4

Reference yield:

benzyl 2-(tert-butoxycarbonyl)hexahydropyridazine-1-carboxylate (154972-38-0) → tert-butyl 2-(4-nitrobenzoyl)hexahydropyridazine-1-carboxylate (443295-21-4)

Guidance literature:

Multi-step reaction with 2 steps

1: 98 percent / H₂ / Pd/C / methanol / 3 h / 20 °C / 760 Torr

2: 91 percent / Et₃N / CH₂Cl₂ / 20 °C

With hydrogen; triethylamine; palladium on activated charcoal; In methanol; dichloromethane;

DOI:10.1016/S0968-0896(01)00353-4

upstream raw materials:

4-nitro-benzoyl chloride

tert-butyl tetrahydropyridazine-1(2H)-carboxylate

1-tert-butoxycarbonyl-2-carbobenzyloxyhydrazine

benzyl 2-(tert-butoxycarbonyl)hexahydropyridazine-1-carboxylate

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