9-benzyl-3-oxo-2,9-dihydropyridazino<3,4,5-de>phthalazine

Base Information

Chemical Name:9-benzyl-3-oxo-2,9-dihydropyridazino<3,4,5-de>phthalazine
CAS No.:22282-14-0
Molecular Formula:C₁₆H₁₂N₄O
Molecular Weight:276.297
Hs Code.:

Synonyms:

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Chemical Property of 9-benzyl-3-oxo-2,9-dihydropyridazino<3,4,5-de>phthalazine

Chemical Property:

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Technology Process of 9-benzyl-3-oxo-2,9-dihydropyridazino<3,4,5-de>phthalazine

There total 6 articles about 9-benzyl-3-oxo-2,9-dihydropyridazino<3,4,5-de>phthalazine 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:

: 14671-41-1
3-hydroxyphthalide-7-carboxylic acid

: 22282-14-0
9-benzyl-3-oxo-2,9-dihydropyridazino<3,4,5-de>phthalazine

Guidance literature:: Multi-step reaction with 3 steps

1: acetic acid / 18 h / Heating

2: 1.) thionyl chloride, 3.) hydrazine hydrate / 1.) chlorobenzene, reflux, 3 h, 2.) methanol, reflux, 18 h, 3.) water, methanol, 130 degC, 66 h

3: 1.) sodium methoxide / 1.) dimethylsulphoxide, 60 degC, 2h, 2.) ice water 0.5 h, 3.) ethanol 1 h

With thionyl chloride; sodium methylate; hydrazine hydrate; In acetic acid;
DOI:10.1139/v82-180

Reference yield:

: 14340-52-4
methyl 3,4-dihydro-4-oxo-5-phthalazine carboxylate

: 22282-14-0
9-benzyl-3-oxo-2,9-dihydropyridazino<3,4,5-de>phthalazine

Guidance literature:: Multi-step reaction with 2 steps

1: 1.) 1N sodium hydroxide, 2.) hydrazine hydrate, 3.) CH₃SO₃H / 1.) methanol, heating, 3 h, 2.) water, reflux, 48 h

2: 1.) sodium methoxide / 1.) dimethylsulphoxide, 60 degC, 2h, 2.) ice water 0.5 h, 3.) ethanol 1 h

With sodium hydroxide; methanesulfonic acid; sodium methylate; hydrazine hydrate;
DOI:10.1139/v82-180

Reference yield:

: 82908-81-4
3-(4-pyridylethyl)-3,4-dihydro-4-oxo-phthalazine-5-carboxylic acid

: 22282-14-0
9-benzyl-3-oxo-2,9-dihydropyridazino<3,4,5-de>phthalazine

Guidance literature:: Multi-step reaction with 2 steps

1: 1.) thionyl chloride, 3.) hydrazine hydrate / 1.) chlorobenzene, reflux, 3 h, 2.) methanol, reflux, 18 h, 3.) water, methanol, 130 degC, 66 h

2: 1.) sodium methoxide / 1.) dimethylsulphoxide, 60 degC, 2h, 2.) ice water 0.5 h, 3.) ethanol 1 h

With thionyl chloride; sodium methylate; hydrazine hydrate;
DOI:10.1139/v82-180