ethyl {5,5-difluoro-1-[(2S)-2-(methoxymethyl)-pyrrolidin-1-yl]-6-oxopiperidin-2-yl}acetate

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Chemical Name:ethyl {5,5-difluoro-1-[(2S)-2-(methoxymethyl)-pyrrolidin-1-yl]-6-oxopiperidin-2-yl}acetate
CAS No.:1397264-66-2
Molecular Formula:C₁₅H₂₄F₂N₂O₄
Molecular Weight:334.363
Hs Code.:

Synonyms:ethyl {5,5-difluoro-1-[(2S)-2-(methoxymethyl)-pyrrolidin-1-yl]-6-oxopiperidin-2-yl}acetate

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Chemical Property of ethyl {5,5-difluoro-1-[(2S)-2-(methoxymethyl)-pyrrolidin-1-yl]-6-oxopiperidin-2-yl}acetate

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Technology Process of ethyl {5,5-difluoro-1-[(2S)-2-(methoxymethyl)-pyrrolidin-1-yl]-6-oxopiperidin-2-yl}acetate

There total 1 articles about ethyl {5,5-difluoro-1-[(2S)-2-(methoxymethyl)-pyrrolidin-1-yl]-6-oxopiperidin-2-yl}acetate 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:

: 59983-39-0,187035-29-6
(S)-1-amino-2-(methoxymethyl)pyrrolidine

: 1397264-66-2
ethyl {5,5-difluoro-1-[(2S)-2-(methoxymethyl)-pyrrolidin-1-yl]-6-oxopiperidin-2-yl}acetate

: 1397264-65-1
ethyl {5,5-difluoro-1-[(2S)-2-(methoxymethyl)-pyrrolidin-1-yl]-6-oxopiperidin-2-yl}acetate

Guidance literature:: Multi-step reaction with 3 steps

1.1: oxalyl dichloride; N,N-dimethyl-formamide / dichloromethane / 0 - 20 °C / Inert atmosphere

1.2: 0 - 20 °C / Inert atmosphere

2.1: titanium(IV) isopropylate; Hoveyda-Grubbs catalyst second generation / dichloromethane / 4 h / 60 °C / Inert atmosphere; Sealed tube

3.1: tetrabutyl ammonium fluoride / tetrahydrofuran / 1 h / 70 °C / Inert atmosphere

With titanium(IV) isopropylate; Hoveyda-Grubbs catalyst second generation; oxalyl dichloride; tetrabutyl ammonium fluoride; N,N-dimethyl-formamide; In tetrahydrofuran; dichloromethane; 3.1: Intramolecular Aza-Michael reaction;
DOI:10.1055/s-0031-1290964