tert-butyl 2-(4-methoxyphenyl)-1-oxo-2,5-diazaspiro[3.4]octane-5-carboxylate

Base Information

Chemical Name:tert-butyl 2-(4-methoxyphenyl)-1-oxo-2,5-diazaspiro[3.4]octane-5-carboxylate
CAS No.:1377324-41-8
Molecular Formula:C₁₈H₂₄N₂O₄
Molecular Weight:332.4
Hs Code.:

Synonyms:tert-butyl 2-(4-methoxyphenyl)-1-oxo-2,5-diazaspiro[3.4]octane-5-carboxylate

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Chemical Property of tert-butyl 2-(4-methoxyphenyl)-1-oxo-2,5-diazaspiro[3.4]octane-5-carboxylate

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Technology Process of tert-butyl 2-(4-methoxyphenyl)-1-oxo-2,5-diazaspiro[3.4]octane-5-carboxylate

There total 4 articles about tert-butyl 2-(4-methoxyphenyl)-1-oxo-2,5-diazaspiro[3.4]octane-5-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: 70.0%

: 1621421-80-4
tert-butyl 2-(hydroxymethyl)-2-(4-methoxyphenylcarbamoyl)pyrrolidine-1-carboxylate

: 1377324-41-8
tert-butyl 2-(4-methoxyphenyl)-1-oxo-2,5-diazaspiro[3.4]octane-5-carboxylate

Guidance literature:: With di-isopropyl azodicarboxylate; triphenylphosphine; In tetrahydrofuran; for 3h; Sonication;

Reference yield:

: 59936-29-7
(S)-N-(tert-butoxycarbonyl)proline methyl ester

: 1377324-41-8
tert-butyl 2-(4-methoxyphenyl)-1-oxo-2,5-diazaspiro[3.4]octane-5-carboxylate

Guidance literature:: Multi-step reaction with 4 steps

1.1: lithium hexamethyldisilazane / tetrahydrofuran / 1 h / -45 °C

1.2: 1 h / -45 °C

2.1: 4-methyl-morpholine; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride / dichloromethane / 12 h / 0 - 20 °C

3.1: lithium bromide; sodium tetrahydroborate / methanol / 12 h

4.1: di-isopropyl azodicarboxylate; triphenylphosphine / tetrahydrofuran / 3 h / Sonication

With 4-methyl-morpholine; sodium tetrahydroborate; di-isopropyl azodicarboxylate; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; triphenylphosphine; lithium bromide; lithium hexamethyldisilazane; In tetrahydrofuran; methanol; dichloromethane;

Reference yield:

: 1621421-78-0
1-tert-butyl 2-methyl 2-(4-methoxyphenylcarbamoyl)pyrrolidine-1,2-dicarboxylate

: 1377324-41-8
tert-butyl 2-(4-methoxyphenyl)-1-oxo-2,5-diazaspiro[3.4]octane-5-carboxylate

Guidance literature:: Multi-step reaction with 2 steps

1: lithium bromide; sodium tetrahydroborate / methanol / 12 h

2: di-isopropyl azodicarboxylate; triphenylphosphine / tetrahydrofuran / 3 h / Sonication

With sodium tetrahydroborate; di-isopropyl azodicarboxylate; triphenylphosphine; lithium bromide; In tetrahydrofuran; methanol;