9-[(4-bromo-2,6-difluorophenyl)methyl]-4-cyclopropyl-1-oxa-4,9-diazaspiro[5.5]undecan-3-one

Base Information

Chemical Name:9-[(4-bromo-2,6-difluorophenyl)methyl]-4-cyclopropyl-1-oxa-4,9-diazaspiro[5.5]undecan-3-one
CAS No.:1429790-73-7
Molecular Formula:C₁₈H₂₁BrF₂N₂O₂
Molecular Weight:415.278
Hs Code.:

Synonyms:9-[(4-bromo-2,6-difluorophenyl)methyl]-4-cyclopropyl-1-oxa-4,9-diazaspiro[5.5]undecan-3-one

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Chemical Property of 9-[(4-bromo-2,6-difluorophenyl)methyl]-4-cyclopropyl-1-oxa-4,9-diazaspiro[5.5]undecan-3-one

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Technology Process of 9-[(4-bromo-2,6-difluorophenyl)methyl]-4-cyclopropyl-1-oxa-4,9-diazaspiro[5.5]undecan-3-one

There total 5 articles about 9-[(4-bromo-2,6-difluorophenyl)methyl]-4-cyclopropyl-1-oxa-4,9-diazaspiro[5.5]undecan-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: 72.0%

: 162744-60-7
5-bromo-2-(bromomethyl)-1,3-difluoro-benzene

: 1375107-47-3
4-cyclopropyl-1-oxa-4,9-diazaspiro[5.5]undecan-3-one hydrochloride

: 1429790-73-7
9-[(4-bromo-2,6-difluorophenyl)methyl]-4-cyclopropyl-1-oxa-4,9-diazaspiro[5.5]undecan-3-one

Guidance literature:: 4-cyclopropyl-1-oxa-4,9-diazaspiro[5.5]undecan-3-one hydrochloride; With N-ethyl-N,N-diisopropylamine; In acetonitrile; at 20 ℃; for 0.0833333h;

5-bromo-2-(bromomethyl)-1,3-difluoro-benzene; In acetonitrile; at 80 ℃; for 1h;

Reference yield:

: 1181759-11-4
1,1-dimethylethyl 4-[(cyclopropylamino)methyl]-4-hydroxy-1-piperidinecarboxylate

: 1429790-73-7
9-[(4-bromo-2,6-difluorophenyl)methyl]-4-cyclopropyl-1-oxa-4,9-diazaspiro[5.5]undecan-3-one

Guidance literature:: Multi-step reaction with 4 steps

1.1: sodium hydrogencarbonate / tetrahydrofuran / 74 h / 0 - 20 °C

2.1: potassium carbonate; tetra(n-butyl)ammonium hydrogensulfate; sodium hydroxide / tetrahydrofuran; water

3.1: hydrogenchloride / ethanol; 1,4-dioxane / 0 - 20 °C

4.1: N-ethyl-N,N-diisopropylamine / acetonitrile / 5 h / 20 °C

4.2: 1 h / 80 °C

With hydrogenchloride; tetra(n-butyl)ammonium hydrogensulfate; sodium hydrogencarbonate; potassium carbonate; N-ethyl-N,N-diisopropylamine; sodium hydroxide; In tetrahydrofuran; 1,4-dioxane; ethanol; water; acetonitrile;

Reference yield:

: 1375107-45-1
1,1-dimethylethyl-4-{[(chloroacetyl)(cyclopropyl)amino]methyl}-4-hydroxy-1-piperidine carboxylate

: 1429790-73-7
9-[(4-bromo-2,6-difluorophenyl)methyl]-4-cyclopropyl-1-oxa-4,9-diazaspiro[5.5]undecan-3-one

Guidance literature:: Multi-step reaction with 3 steps

1.1: potassium carbonate; tetra(n-butyl)ammonium hydrogensulfate; sodium hydroxide / tetrahydrofuran; water

2.1: hydrogenchloride / ethanol; 1,4-dioxane / 0 - 20 °C

3.1: N-ethyl-N,N-diisopropylamine / acetonitrile / 5 h / 20 °C

3.2: 1 h / 80 °C

With hydrogenchloride; tetra(n-butyl)ammonium hydrogensulfate; potassium carbonate; N-ethyl-N,N-diisopropylamine; sodium hydroxide; In tetrahydrofuran; 1,4-dioxane; ethanol; water; acetonitrile;