(5R)-2-tert-butoxycarbonyl-5-ethyl-1-(4-nitrophenylsulfonyl)pyrazolidin-3-one

Base Information

Chemical Name:(5R)-2-tert-butoxycarbonyl-5-ethyl-1-(4-nitrophenylsulfonyl)pyrazolidin-3-one
CAS No.:1360762-65-7
Molecular Formula:C₁₆H₂₁N₃O₇S
Molecular Weight:399.425
Hs Code.:

Synonyms:(5R)-2-tert-butoxycarbonyl-5-ethyl-1-(4-nitrophenylsulfonyl)pyrazolidin-3-one

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Chemical Property of (5R)-2-tert-butoxycarbonyl-5-ethyl-1-(4-nitrophenylsulfonyl)pyrazolidin-3-one

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Technology Process of (5R)-2-tert-butoxycarbonyl-5-ethyl-1-(4-nitrophenylsulfonyl)pyrazolidin-3-one

There total 3 articles about (5R)-2-tert-butoxycarbonyl-5-ethyl-1-(4-nitrophenylsulfonyl)pyrazolidin-3-one 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: 95.0%

: 1360762-24-8
(3R,5R)-2-tert-butoxycarbonyl-5-ethyl-1-(4-nitrophenylsulfonyl)pyrazolidin-3-ol

: 1360762-65-7
(5R)-2-tert-butoxycarbonyl-5-ethyl-1-(4-nitrophenylsulfonyl)pyrazolidin-3-one

Guidance literature:: With pyridinium chlorochromate; In dichloromethane; at 20 ℃; for 16h; optical yield given as %ee; Molecular sieve;
DOI:10.1002/adsc.201100722

Reference yield:

: 333440-71-4
tert-butyl 2-[(4-nitrophenyl)sulfonyl]hydrazine-1-carboxylate

: 1360762-65-7
(5R)-2-tert-butoxycarbonyl-5-ethyl-1-(4-nitrophenylsulfonyl)pyrazolidin-3-one

Guidance literature:: Multi-step reaction with 2 steps

1: (S)-2-{bis[3,5-bis(trifluoromethyl)phenyl][(trimethylsilanyl)oxy]methyl}pyrrolidine; benzoic acid / toluene / 20 °C

2: pyridinium chlorochromate / dichloromethane / 16 h / 20 °C / Molecular sieve

With (S)-2-{bis[3,5-bis(trifluoromethyl)phenyl][(trimethylsilanyl)oxy]methyl}pyrrolidine; benzoic acid; pyridinium chlorochromate; In dichloromethane; toluene;
DOI:10.1002/adsc.201100722

Reference yield:

: 1576-86-9,1576-87-0,764-39-6
2-pentenal

: 1360762-65-7
(5R)-2-tert-butoxycarbonyl-5-ethyl-1-(4-nitrophenylsulfonyl)pyrazolidin-3-one

Guidance literature:: Multi-step reaction with 2 steps

1: (S)-2-{bis[3,5-bis(trifluoromethyl)phenyl][(trimethylsilanyl)oxy]methyl}pyrrolidine; benzoic acid / toluene / 20 °C

2: pyridinium chlorochromate / dichloromethane / 16 h / 20 °C / Molecular sieve

With (S)-2-{bis[3,5-bis(trifluoromethyl)phenyl][(trimethylsilanyl)oxy]methyl}pyrrolidine; benzoic acid; pyridinium chlorochromate; In dichloromethane; toluene;
DOI:10.1002/adsc.201100722