1,2,6,7-Tetrahydro-5-(ethoxycarbonyl)-1-methyl-2-phenyl-3H-indazol-3-one

Base Information

Chemical Name:1,2,6,7-Tetrahydro-5-(ethoxycarbonyl)-1-methyl-2-phenyl-3H-indazol-3-one
CAS No.:254899-85-9
Molecular Formula:C₁₇H₁₈N₂O₃
Molecular Weight:298.342
Hs Code.:

Synonyms:1,2,6,7-Tetrahydro-5-(ethoxycarbonyl)-1-methyl-2-phenyl-3H-indazol-3-one

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Chemical Property of 1,2,6,7-Tetrahydro-5-(ethoxycarbonyl)-1-methyl-2-phenyl-3H-indazol-3-one

Chemical Property:

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Technology Process of 1,2,6,7-Tetrahydro-5-(ethoxycarbonyl)-1-methyl-2-phenyl-3H-indazol-3-one

There total 3 articles about 1,2,6,7-Tetrahydro-5-(ethoxycarbonyl)-1-methyl-2-phenyl-3H-indazol-3-one 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:

: 254899-82-6
4-hydroxy-1-methyl-3-oxo-2-phenyl-2,3,4,5,6,7-hexahydro-1H-indazole-5-carboxylic acid ethyl ester

: 254899-85-9
1,2,6,7-Tetrahydro-5-(ethoxycarbonyl)-1-methyl-2-phenyl-3H-indazol-3-one

Guidance literature:: With pyridinium p-toluenesulfonate; In benzene; for 1h; Heating;
DOI:10.1039/a903710a

Reference yield:

: 950-81-2
4-formyl-2,3-dimethyl-1-phenyl-3-pyrazolin-5-one

: 254899-85-9
1,2,6,7-Tetrahydro-5-(ethoxycarbonyl)-1-methyl-2-phenyl-3H-indazol-3-one

Guidance literature:: Multi-step reaction with 2 steps

1.1: LDA / tetrahydrofuran / 0.75 h / -78 °C

1.2: tetrahydrofuran / -78 °C

2.1: pyridinium tosylate / benzene / 1 h / Heating

With pyridinium p-toluenesulfonate; lithium diisopropyl amide; In tetrahydrofuran; benzene; 1.1: Metallation / 1.2: Cycloaddition / 2.1: Dehydration;
DOI:10.1039/a903710a

Reference yield:

: 140-88-5,9003-32-1
ethyl acrylate

: 254899-85-9
1,2,6,7-Tetrahydro-5-(ethoxycarbonyl)-1-methyl-2-phenyl-3H-indazol-3-one

Guidance literature:: Multi-step reaction with 2 steps

1.1: LDA / tetrahydrofuran / 0.75 h / -78 °C

1.2: tetrahydrofuran / -78 °C

2.1: pyridinium tosylate / benzene / 1 h / Heating

With pyridinium p-toluenesulfonate; lithium diisopropyl amide; In tetrahydrofuran; benzene; 1.1: Metallation / 1.2: Cycloaddition / 2.1: Dehydration;
DOI:10.1039/a903710a