1-tert-butyl 2,2-diethyl 3-(4-methoxyphenyl)-4-methylene-5-oxopyrrolidine-1,2,2-tricarboxylate

Base Information

Chemical Name:1-tert-butyl 2,2-diethyl 3-(4-methoxyphenyl)-4-methylene-5-oxopyrrolidine-1,2,2-tricarboxylate
CAS No.:1436463-05-6
Molecular Formula:C₂₃H₂₉NO₈
Molecular Weight:447.485
Hs Code.:

Synonyms:1-tert-butyl 2,2-diethyl 3-(4-methoxyphenyl)-4-methylene-5-oxopyrrolidine-1,2,2-tricarboxylate

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Chemical Property of 1-tert-butyl 2,2-diethyl 3-(4-methoxyphenyl)-4-methylene-5-oxopyrrolidine-1,2,2-tricarboxylate

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Technology Process of 1-tert-butyl 2,2-diethyl 3-(4-methoxyphenyl)-4-methylene-5-oxopyrrolidine-1,2,2-tricarboxylate

There total 3 articles about 1-tert-butyl 2,2-diethyl 3-(4-methoxyphenyl)-4-methylene-5-oxopyrrolidine-1,2,2-tricarboxylate 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: 85.0%

: 50-00-0,30525-89-4,61233-19-0
formaldehyd

: (3SR,4RS)-1-tert-utyl 2,2-diethyl 4-(diethoxyphosphoryl)-3-(4-methoxyphenyl)-5-oxopyrrolidine-1,2,2-tricarboxylate

: 1436463-05-6
1-tert-butyl 2,2-diethyl 3-(4-methoxyphenyl)-4-methylene-5-oxopyrrolidine-1,2,2-tricarboxylate

Guidance literature:: (3SR,4RS)-1-tert-utyl 2,2-diethyl 4-(diethoxyphosphoryl)-3-(4-methoxyphenyl)-5-oxopyrrolidine-1,2,2-tricarboxylate; With potassium tert-butylate; In tetrahydrofuran; at 20 ℃; for 0.5h;

formaldehyd; In tetrahydrofuran; for 1h;
DOI:10.1016/j.tetlet.2013.03.130

Reference yield:

: 1068-90-2
2-acetylaminomalonic acid diethyl ester

: 1436463-05-6
1-tert-butyl 2,2-diethyl 3-(4-methoxyphenyl)-4-methylene-5-oxopyrrolidine-1,2,2-tricarboxylate

Guidance literature:: Multi-step reaction with 3 steps

1.1: N,N,N',N'-tetramethylguanidine / dichloromethane / 3 h / 20 °C

2.1: dmap / dichloromethane / 3 h / 20 °C

3.1: potassium tert-butylate / tetrahydrofuran / 0.5 h / 20 °C

3.2: 1 h

With dmap; potassium tert-butylate; N,N,N',N'-tetramethylguanidine; In tetrahydrofuran; dichloromethane; 3.1: |Horner-Wadsworth-Emmons Olefination / 3.2: |Horner-Wadsworth-Emmons Olefination;
DOI:10.1016/j.tetlet.2013.03.130

Reference yield:

: (3SR,4RS)-diethyl 4-(diethoxyphosphoryl)-3-(4-methoxyphenyl)-5-oxopyrrolidine-2,2-dicarboxylate

: 1436463-05-6
1-tert-butyl 2,2-diethyl 3-(4-methoxyphenyl)-4-methylene-5-oxopyrrolidine-1,2,2-tricarboxylate

Guidance literature:: Multi-step reaction with 2 steps

1.1: dmap / dichloromethane / 3 h / 20 °C

2.1: potassium tert-butylate / tetrahydrofuran / 0.5 h / 20 °C

2.2: 1 h

With dmap; potassium tert-butylate; In tetrahydrofuran; dichloromethane; 2.1: |Horner-Wadsworth-Emmons Olefination / 2.2: |Horner-Wadsworth-Emmons Olefination;
DOI:10.1016/j.tetlet.2013.03.130