tert-butyl (R)-1-benzhydryl-3-(5-ethoxy-5-oxopentyl)-2-oxopiperidine-3-carboxylate

Base Information

Chemical Name:tert-butyl (R)-1-benzhydryl-3-(5-ethoxy-5-oxopentyl)-2-oxopiperidine-3-carboxylate
CAS No.:1355018-59-5
Molecular Formula:C₃₀H₃₉NO₅
Molecular Weight:493.643
Hs Code.:

Synonyms:tert-butyl (R)-1-benzhydryl-3-(5-ethoxy-5-oxopentyl)-2-oxopiperidine-3-carboxylate

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Chemical Property of tert-butyl (R)-1-benzhydryl-3-(5-ethoxy-5-oxopentyl)-2-oxopiperidine-3-carboxylate

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Technology Process of tert-butyl (R)-1-benzhydryl-3-(5-ethoxy-5-oxopentyl)-2-oxopiperidine-3-carboxylate

There total 5 articles about tert-butyl (R)-1-benzhydryl-3-(5-ethoxy-5-oxopentyl)-2-oxopiperidine-3-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: 96.0%

: 1355018-62-0
tert-butyl (3S)-1-benzhydryl-3-{5-ethoxy-2-[(ethoxycarbonothioyl)thio]-5-oxopentyl}-2-oxopiperidine-3-carboxylate

: 1355018-59-5
tert-butyl (R)-1-benzhydryl-3-(5-ethoxy-5-oxopentyl)-2-oxopiperidine-3-carboxylate

Guidance literature:: With 2,2'-azobis(isobutyronitrile); tripropyl stannane; In toluene; for 3h; optical yield given as %ee; Reflux;
DOI:10.1021/ol2033042

Reference yield:

: 1354577-57-3
N⁽¹⁾-diphenylmethyl-2-piperidone-3-carboxylic acid tert-butyl ester

: 1355018-59-5
tert-butyl (R)-1-benzhydryl-3-(5-ethoxy-5-oxopentyl)-2-oxopiperidine-3-carboxylate

Guidance literature:: Multi-step reaction with 3 steps

1: Br^(1-)*C₅₆H₃₄F₆N⁽¹⁺⁾; potassium hydroxide / toluene / 24 h / -40 °C

2: dilauryl peroxide / 1,2-dichloro-ethane / 2.5 h / Inert atmosphere; Reflux

3: 2,2'-azobis(isobutyronitrile); tripropyl stannane / toluene / 3 h / Reflux

With 2,2'-azobis(isobutyronitrile); dilauryl peroxide; Br^(1-)*C₅₆H₃₄F₆N⁽¹⁺⁾; tripropyl stannane; potassium hydroxide; In 1,2-dichloro-ethane; toluene;
DOI:10.1021/ol2033042

Reference yield:

: 1354577-53-9
N⁽¹⁾-benzhydryl-2-piperidone

: 1355018-59-5
tert-butyl (R)-1-benzhydryl-3-(5-ethoxy-5-oxopentyl)-2-oxopiperidine-3-carboxylate

Guidance literature:: Multi-step reaction with 4 steps

1: lithium hexamethyldisilazane / tetrahydrofuran / 4 h / -78 °C

2: Br^(1-)*C₅₆H₃₄F₆N⁽¹⁺⁾; potassium hydroxide / toluene / 24 h / -40 °C

3: dilauryl peroxide / 1,2-dichloro-ethane / 2.5 h / Inert atmosphere; Reflux

4: 2,2'-azobis(isobutyronitrile); tripropyl stannane / toluene / 3 h / Reflux

With 2,2'-azobis(isobutyronitrile); dilauryl peroxide; Br^(1-)*C₅₆H₃₄F₆N⁽¹⁺⁾; tripropyl stannane; potassium hydroxide; lithium hexamethyldisilazane; In tetrahydrofuran; 1,2-dichloro-ethane; toluene;
DOI:10.1021/ol2033042