tert-butyl 2-(4-(methoxycarbonyl)phenyl)-3-oxo-2,8-diazaspiro[4.5]decane-8-carboxylate

Base Information

Chemical Name:tert-butyl 2-(4-(methoxycarbonyl)phenyl)-3-oxo-2,8-diazaspiro[4.5]decane-8-carboxylate
CAS No.:1254733-80-6
Molecular Formula:C₂₁H₂₈N₂O₅
Molecular Weight:388.464
Hs Code.:

Synonyms:tert-butyl 2-(4-(methoxycarbonyl)phenyl)-3-oxo-2,8-diazaspiro[4.5]decane-8-carboxylate

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Chemical Property of tert-butyl 2-(4-(methoxycarbonyl)phenyl)-3-oxo-2,8-diazaspiro[4.5]decane-8-carboxylate

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Technology Process of tert-butyl 2-(4-(methoxycarbonyl)phenyl)-3-oxo-2,8-diazaspiro[4.5]decane-8-carboxylate

There total 4 articles about tert-butyl 2-(4-(methoxycarbonyl)phenyl)-3-oxo-2,8-diazaspiro[4.5]decane-8-carboxylate 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: 88.0%

: 619-42-1
4-methoxycarbonylphenyl bromide

: 169206-67-1
3-oxo-2,8-diazaspiro<4.5>decane-8-carboxylic acid tert-butyl ester

: 1254733-80-6
tert-butyl 2-(4-(methoxycarbonyl)phenyl)-3-oxo-2,8-diazaspiro[4.5]decane-8-carboxylate

Guidance literature:: With potassium phosphate; tris-(dibenzylideneacetone)dipalladium⁽⁰⁾; 4,5-bis(diphenylphosphino)-9,9-dimethylxanthene; In 1,4-dioxane; at 100 ℃; Inert atmosphere;
DOI:10.1016/j.bmc.2018.03.014

Reference yield:

: 79099-07-3
N-tert-butyloxycarbonylpiperidin-4-one

: 1254733-80-6
tert-butyl 2-(4-(methoxycarbonyl)phenyl)-3-oxo-2,8-diazaspiro[4.5]decane-8-carboxylate

Guidance literature:: Multi-step reaction with 4 steps

1: toluene / 17 h / Reflux

2: tetrabutyl ammonium fluoride / tetrahydrofuran / 16.33 h / 0 - 70 °C

3: hydrogen / ethanol / 12 h / 20 °C

4: 4,5-bis(diphenylphosphino)-9,9-dimethylxanthene; potassium phosphate; tris-(dibenzylideneacetone)dipalladium⁽⁰⁾ / 1,4-dioxane / 100 °C / Inert atmosphere

With potassium phosphate; tris-(dibenzylideneacetone)dipalladium⁽⁰⁾; tetrabutyl ammonium fluoride; hydrogen; 4,5-bis(diphenylphosphino)-9,9-dimethylxanthene; In tetrahydrofuran; 1,4-dioxane; ethanol; toluene; 4: |Buchwald-Hartwig Coupling;
DOI:10.1016/j.bmc.2018.03.014

Reference yield:

: 169206-65-9
1-tert-butoxycarbonyl-4-[(methoxycarbonyl)methylene]piperidine

: 1254733-80-6
tert-butyl 2-(4-(methoxycarbonyl)phenyl)-3-oxo-2,8-diazaspiro[4.5]decane-8-carboxylate

Guidance literature:: Multi-step reaction with 3 steps

1: tetrabutyl ammonium fluoride / tetrahydrofuran / 16.33 h / 0 - 70 °C

2: hydrogen / ethanol / 12 h / 20 °C

3: 4,5-bis(diphenylphosphino)-9,9-dimethylxanthene; potassium phosphate; tris-(dibenzylideneacetone)dipalladium⁽⁰⁾ / 1,4-dioxane / 100 °C / Inert atmosphere

With potassium phosphate; tris-(dibenzylideneacetone)dipalladium⁽⁰⁾; tetrabutyl ammonium fluoride; hydrogen; 4,5-bis(diphenylphosphino)-9,9-dimethylxanthene; In tetrahydrofuran; 1,4-dioxane; ethanol; 3: |Buchwald-Hartwig Coupling;
DOI:10.1016/j.bmc.2018.03.014