(R)-tert-butyl 3-(2-ethoxy-1-hydroxy-2-oxo-1-m-tolylethyl)-2-oxo-2,5-dihydro-1H-pyrrole-1-carboxylate

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Chemical Name:(R)-tert-butyl 3-(2-ethoxy-1-hydroxy-2-oxo-1-m-tolylethyl)-2-oxo-2,5-dihydro-1H-pyrrole-1-carboxylate
CAS No.:1429317-11-2
Molecular Formula:C₂₀H₂₅NO₆
Molecular Weight:375.422
Hs Code.:

Synonyms:(R)-tert-butyl 3-(2-ethoxy-1-hydroxy-2-oxo-1-m-tolylethyl)-2-oxo-2,5-dihydro-1H-pyrrole-1-carboxylate

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Chemical Property of (R)-tert-butyl 3-(2-ethoxy-1-hydroxy-2-oxo-1-m-tolylethyl)-2-oxo-2,5-dihydro-1H-pyrrole-1-carboxylate

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Technology Process of (R)-tert-butyl 3-(2-ethoxy-1-hydroxy-2-oxo-1-m-tolylethyl)-2-oxo-2,5-dihydro-1H-pyrrole-1-carboxylate

There total 2 articles about (R)-tert-butyl 3-(2-ethoxy-1-hydroxy-2-oxo-1-m-tolylethyl)-2-oxo-2,5-dihydro-1H-pyrrole-1-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: 79.0%

: 66644-68-6
ethyl 2-oxo-2-(m-tolyl)acetate

: 141293-14-3
N-(tert-butoxycarbonyl)pyrrol-2(5H)-one

: 1429317-11-2
(R)-tert-butyl 3-(2-ethoxy-1-hydroxy-2-oxo-1-m-tolylethyl)-2-oxo-2,5-dihydro-1H-pyrrole-1-carboxylate

Guidance literature:: With 1-{3,5-bis(trifluoromethyl)phenyl}-3-{(1R,2R)-2-(dimethylamino)cyclohexyl}thiourea; In dichloromethane; at 30 ℃; for 30h; enantioselective reaction;
DOI:10.1039/c3cc40717a

Reference yield:

: 591-17-3
meta-bromotoluene

: 1429317-11-2
(R)-tert-butyl 3-(2-ethoxy-1-hydroxy-2-oxo-1-m-tolylethyl)-2-oxo-2,5-dihydro-1H-pyrrole-1-carboxylate

Guidance literature:: Multi-step reaction with 2 steps

1.1: magnesium / tetrahydrofuran / Inert atmosphere; Reflux

1.2: 1 h / -78 - 10 °C / Inert atmosphere

2.1: 1-{3,5-bis(trifluoromethyl)phenyl}-3-{(1R,2R)-2-(dimethylamino)cyclohexyl}thiourea / dichloromethane / 30 h / 30 °C

With magnesium; 1-{3,5-bis(trifluoromethyl)phenyl}-3-{(1R,2R)-2-(dimethylamino)cyclohexyl}thiourea; In tetrahydrofuran; dichloromethane; 2.1: |Aldol Addition;
DOI:10.1039/c3cc40717a