(S,S)-(+)-1-[3-Hydroxy-1-(2,6-di-tert-butyl-4-methoxy-1-phenoxycarbonyl)-3-phenyl-1-propylideneamino]-2-(1-ethyl-1-methoxypropyl)pyrrolidine

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Chemical Name:(S,S)-(+)-1-[3-Hydroxy-1-(2,6-di-tert-butyl-4-methoxy-1-phenoxycarbonyl)-3-phenyl-1-propylideneamino]-2-(1-ethyl-1-methoxypropyl)pyrrolidine
CAS No.:148432-25-1
Molecular Formula:C₃₅H₅₂N₂O₅
Molecular Weight:580.808
Hs Code.:

Synonyms:(S,S)-(+)-1-[3-Hydroxy-1-(2,6-di-tert-butyl-4-methoxy-1-phenoxycarbonyl)-3-phenyl-1-propylideneamino]-2-(1-ethyl-1-methoxypropyl)pyrrolidine

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Chemical Property of (S,S)-(+)-1-[3-Hydroxy-1-(2,6-di-tert-butyl-4-methoxy-1-phenoxycarbonyl)-3-phenyl-1-propylideneamino]-2-(1-ethyl-1-methoxypropyl)pyrrolidine

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Technology Process of (S,S)-(+)-1-[3-Hydroxy-1-(2,6-di-tert-butyl-4-methoxy-1-phenoxycarbonyl)-3-phenyl-1-propylideneamino]-2-(1-ethyl-1-methoxypropyl)pyrrolidine

There total 5 articles about (S,S)-(+)-1-[3-Hydroxy-1-(2,6-di-tert-butyl-4-methoxy-1-phenoxycarbonyl)-3-phenyl-1-propylideneamino]-2-(1-ethyl-1-methoxypropyl)pyrrolidine 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%

: 100-52-7
benzaldehyde

: 148432-21-7
(S)-(+)-1-[1-(2,6-Di-tert-butyl-4-methoxy-1-phenoxycarbonyl)-1-ethylideneamino]-2-(1-methoxy-1-ethylpropyl)pyrrolidine

: 148432-25-1
(S,S)-(+)-1-[3-Hydroxy-1-(2,6-di-tert-butyl-4-methoxy-1-phenoxycarbonyl)-3-phenyl-1-propylideneamino]-2-(1-ethyl-1-methoxypropyl)pyrrolidine

Guidance literature:: With lithium bromide; lithium diisopropyl amide; In tetrahydrofuran; 1.) -78 deg C, 2 h, 2.) -90 deg C, 2 h; -78 deg C, 1 h;

Reference yield:

: 145656-72-0
2,6-di-tert-butyl-4-methoxyphenyl pyruvate

: 148432-25-1
(S,S)-(+)-1-[3-Hydroxy-1-(2,6-di-tert-butyl-4-methoxy-1-phenoxycarbonyl)-3-phenyl-1-propylideneamino]-2-(1-ethyl-1-methoxypropyl)pyrrolidine

Guidance literature:: Multi-step reaction with 2 steps

1.1: 83 percent / p-toluenesulfonic acid / cyclohexane / Heating

2.1: lithium diisopropylamide; lithium bromide / tetrahydrofuran; hexane / 1 h / -78 °C

2.2: 86 percent / tetrahydrofuran; hexane / -90 - -78 °C

With toluene-4-sulfonic acid; lithium bromide; lithium diisopropyl amide; In tetrahydrofuran; hexane; cyclohexane; 1.1: Condensation / 2.1: Addition / 2.2: Addition;
DOI:10.1016/S0040-4020(99)00283-5

Reference yield:

: 489-01-0
2,6-Di-t-butyl-4-methoxyphenol

: 148432-25-1
(S,S)-(+)-1-[3-Hydroxy-1-(2,6-di-tert-butyl-4-methoxy-1-phenoxycarbonyl)-3-phenyl-1-propylideneamino]-2-(1-ethyl-1-methoxypropyl)pyrrolidine

Guidance literature:: Multi-step reaction with 4 steps

1: n-BuLi / tetrahydrofuran / 0 °C

2: diethyl ether / -78 °C

3: 83 percent / p-TsOH / cyclohexane / 20 h / Heating

4: 95 percent / LDA, LiBr / tetrahydrofuran / 1.) -78 deg C, 2 h, 2.) -90 deg C, 2 h; -78 deg C, 1 h

With n-butyllithium; toluene-4-sulfonic acid; lithium bromide; lithium diisopropyl amide; In tetrahydrofuran; diethyl ether; cyclohexane;