3-chloro-8-methoxy-3-(2,4,5-trimethyl-phenyl)-1-oxa-8-aza-spiro[4.5]decane-2,4-dione

Base Information

Chemical Name:3-chloro-8-methoxy-3-(2,4,5-trimethyl-phenyl)-1-oxa-8-aza-spiro[4.5]decane-2,4-dione
CAS No.:1378940-01-2
Molecular Formula:C₁₈H₂₂ClNO₄
Molecular Weight:351.83
Hs Code.:

Synonyms:3-chloro-8-methoxy-3-(2,4,5-trimethyl-phenyl)-1-oxa-8-aza-spiro[4.5]decane-2,4-dione

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Chemical Property of 3-chloro-8-methoxy-3-(2,4,5-trimethyl-phenyl)-1-oxa-8-aza-spiro[4.5]decane-2,4-dione

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Technology Process of 3-chloro-8-methoxy-3-(2,4,5-trimethyl-phenyl)-1-oxa-8-aza-spiro[4.5]decane-2,4-dione

There total 3 articles about 3-chloro-8-methoxy-3-(2,4,5-trimethyl-phenyl)-1-oxa-8-aza-spiro[4.5]decane-2,4-dione 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: 66.0%

: 1255943-91-9
4-hydroxy-8-methoxy-3-(2,4,5-trimethyl-phenyl)-1-oxa-8-aza-spiro[4.5]dec-3-en-2-one

: 1378940-01-2
3-chloro-8-methoxy-3-(2,4,5-trimethyl-phenyl)-1-oxa-8-aza-spiro[4.5]decane-2,4-dione

Guidance literature:: 4-hydroxy-8-methoxy-3-(2,4,5-trimethyl-phenyl)-1-oxa-8-aza-spiro[4.5]dec-3-en-2-one; With sulfuryl dichloride; In dichloromethane; at -10 - 20 ℃; for 2.5h;

With sodium hydrogencarbonate; In dichloromethane; water;

Reference yield:

: 1255944-06-9
4-hydroxy-1-methoxy-piperidine-4-carboxylic acid ethyl ester

: 1378940-01-2
3-chloro-8-methoxy-3-(2,4,5-trimethyl-phenyl)-1-oxa-8-aza-spiro[4.5]decane-2,4-dione

Guidance literature:: Multi-step reaction with 2 steps

1: potassium tert-butylate / tetrahydrofuran / 2 h / 20 °C / Reflux; Inert atmosphere

2: sulfuryl dichloride / dichloromethane / 2.5 h / -10 - 20 °C

With sulfuryl dichloride; potassium tert-butylate; In tetrahydrofuran; dichloromethane;

Reference yield:

: 102170-24-1
1-methoxypiperidin-4-one

: 1378940-01-2
3-chloro-8-methoxy-3-(2,4,5-trimethyl-phenyl)-1-oxa-8-aza-spiro[4.5]decane-2,4-dione

Guidance literature:: Multi-step reaction with 5 steps

1.1: zinc(II) chloride / dichloromethane / 20 - 28 °C / Inert atmosphere

2.1: hydrogenchloride / water / 2 h / 15 - 20 °C

2.2: 0 °C / pH 7

3.1: hydrogenchloride / -20 - 20 °C

3.2: pH ~ 5.5 / Cooling with ice

4.1: potassium tert-butylate / tetrahydrofuran / 2 h / 20 °C / Reflux; Inert atmosphere

5.1: sulfuryl dichloride / dichloromethane / 2.5 h / -10 - 20 °C

With hydrogenchloride; sulfuryl dichloride; potassium tert-butylate; zinc(II) chloride; In tetrahydrofuran; dichloromethane; water;