1-Phthalazinecarboxamide, 3,4-dihydro-4-oxo-

Base Information

• Chemical Name: 1-Phthalazinecarboxamide, 3,4-dihydro-4-oxo-
• CAS No.: 59908-31-5
• Molecular Formula: C₉H₇N₃O₂
• Molecular Weight: 189.173

Synonyms:4-oxo-3,4-dihydro-phthalazine-1-carboxylic acid amide;Phthalazoncarbonsaeure-amid;4-Oxo-3,4-dihydro-phthalazin-1-carbonsaeure-amid;3-Methyl-phthalaz-4-on-1-carbonsaeureamid;

Chemical Property of 1-Phthalazinecarboxamide, 3,4-dihydro-4-oxo-

Chemical Property:

• Melting Point: 240 - 242 °C (ethanol)
• PSA: 88.84000
• LogP: 0.72230

Purity/Quality:

97% ^*data from raw suppliers

4-Oxo-3,4-dihydrophthalazine-1-carboxamide ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

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Technology Process of 1-Phthalazinecarboxamide, 3,4-dihydro-4-oxo-

There total 4 articles about 1-Phthalazinecarboxamide, 3,4-dihydro-4-oxo- 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: 37.0%

4-oxo-N'-(1-oxo-1,2-dihydrophthalazine-4-carbonyl)-3,4-dihydrophthalazine-1-carbohydrazide (1376817-28-5) → 3-Methyl-phthalaz-4-on-1-carbonsaeureamid (59908-31-5)

Guidance literature:

With hydrogenchloride; In water;

DOI:10.3184/174751912X13274297624330

Reference yield:

4-oxo-3,4-dihydrophthalazine-1-carbohydrazide (61051-67-0) → 3-Methyl-phthalaz-4-on-1-carbonsaeureamid (59908-31-5)

Guidance literature:

Multi-step reaction with 2 steps

1: piperidine; Ethoxymethylenemalononitrile / 1 h / Reflux

2: hydrogenchloride / water

With piperidine; hydrogenchloride; Ethoxymethylenemalononitrile; In water;

DOI:10.3184/174751912X13274297624330

Reference yield:

4-ethoxycarbonyl-1(2H)-phthalazinone (23952-05-8) → 3-Methyl-phthalaz-4-on-1-carbonsaeureamid (59908-31-5)

Guidance literature:

With ethanol; ammonia;

upstream raw materials:

4-ethoxycarbonyl-1(2H)-phthalazinone

4-oxo-N'-(1-oxo-1,2-dihydrophthalazine-4-carbonyl)-3,4-dihydrophthalazine-1-carbohydrazide

4-oxo-3,4-dihydrophthalazine-1-carbohydrazide

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