(1R)-1-methyl-2-oxo-2-pyrrolidin-1-ylethyl (2S)-(4-isopropylphenyl)[(3-ethyl-2-oxo-5,7-dipropyl-2,3-dihydro-1,3-benzoxazol-6-yl)oxy]acetate

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Chemical Name:(1R)-1-methyl-2-oxo-2-pyrrolidin-1-ylethyl (2S)-(4-isopropylphenyl)[(3-ethyl-2-oxo-5,7-dipropyl-2,3-dihydro-1,3-benzoxazol-6-yl)oxy]acetate
CAS No.:860780-52-5
Molecular Formula:C₃₃H₄₄N₂O₆
Molecular Weight:564.722
Hs Code.:

Synonyms:(1R)-1-methyl-2-oxo-2-pyrrolidin-1-ylethyl (2S)-(4-isopropylphenyl)[(3-ethyl-2-oxo-5,7-dipropyl-2,3-dihydro-1,3-benzoxazol-6-yl)oxy]acetate

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Chemical Property of (1R)-1-methyl-2-oxo-2-pyrrolidin-1-ylethyl (2S)-(4-isopropylphenyl)[(3-ethyl-2-oxo-5,7-dipropyl-2,3-dihydro-1,3-benzoxazol-6-yl)oxy]acetate

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Technology Process of (1R)-1-methyl-2-oxo-2-pyrrolidin-1-ylethyl (2S)-(4-isopropylphenyl)[(3-ethyl-2-oxo-5,7-dipropyl-2,3-dihydro-1,3-benzoxazol-6-yl)oxy]acetate

There total 8 articles about (1R)-1-methyl-2-oxo-2-pyrrolidin-1-ylethyl (2S)-(4-isopropylphenyl)[(3-ethyl-2-oxo-5,7-dipropyl-2,3-dihydro-1,3-benzoxazol-6-yl)oxy]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: 95.0%

: 860780-49-0
3-ethyl-6-hydroxy-5,7-dipropyl-1,3-benzoxazol-2(3H)-one

: 449779-79-7
(1R)-1-methyl-2-oxo-2-pyrrolidin-1-ylethyl bromo(4-isopropylphenyl)acetate

: 860780-52-5
(1R)-1-methyl-2-oxo-2-pyrrolidin-1-ylethyl (2S)-(4-isopropylphenyl)[(3-ethyl-2-oxo-5,7-dipropyl-2,3-dihydro-1,3-benzoxazol-6-yl)oxy]acetate

Guidance literature:: 3-ethyl-6-hydroxy-5,7-dipropyl-1,3-benzoxazol-2(3H)-one; With lithium tert-butoxide; In tetrahydrofuran;

(1R)-1-methyl-2-oxo-2-pyrrolidin-1-ylethyl bromo(4-isopropylphenyl)acetate; In tetrahydrofuran; at 0 ℃;
DOI:10.1021/jm0502135

Reference yield:

: 860780-47-8
ethyl 4-nitroso-2,6-dipropyl-1,3-phenylene biscarbonate

: 860780-52-5
(1R)-1-methyl-2-oxo-2-pyrrolidin-1-ylethyl (2S)-(4-isopropylphenyl)[(3-ethyl-2-oxo-5,7-dipropyl-2,3-dihydro-1,3-benzoxazol-6-yl)oxy]acetate

Guidance literature:: Multi-step reaction with 3 steps

1.1: H₂ / Pd/C / ethyl acetate / 16 h / 760 Torr

1.2: 80 percent / Cs₂CO₃ / dimethylformamide / 4 h / 25 °C

2.1: pyridine; AcCl / CH₂Cl₂ / 1 h / -30 - 20 °C

2.2: Cs₂CO₃ / dimethylformamide / 1 h / 20 °C

2.3: 75 percent / aq. KOH / methanol / 0.5 h / 20 °C

3.1: t-BuOLi / tetrahydrofuran

3.2: 95 percent / tetrahydrofuran / 0 °C

With pyridine; hydrogen; acetyl chloride; lithium tert-butoxide; palladium on activated charcoal; In tetrahydrofuran; dichloromethane; ethyl acetate;
DOI:10.1021/jm0502135

Reference yield:

: 355387-54-1
2,4-di-n-propylbenzene-1,3-diol

: 860780-52-5
(1R)-1-methyl-2-oxo-2-pyrrolidin-1-ylethyl (2S)-(4-isopropylphenyl)[(3-ethyl-2-oxo-5,7-dipropyl-2,3-dihydro-1,3-benzoxazol-6-yl)oxy]acetate

Guidance literature:: Multi-step reaction with 4 steps

1.1: AcOH; sodium nitrite / ethanol / -20 - 20 °C

1.2: 90 percent / Et₃N / CH₂Cl₂ / 1 h / 20 °C

2.1: H₂ / Pd/C / ethyl acetate / 16 h / 760 Torr

2.2: 80 percent / Cs₂CO₃ / dimethylformamide / 4 h / 25 °C

3.1: pyridine; AcCl / CH₂Cl₂ / 1 h / -30 - 20 °C

3.2: Cs₂CO₃ / dimethylformamide / 1 h / 20 °C

3.3: 75 percent / aq. KOH / methanol / 0.5 h / 20 °C

4.1: t-BuOLi / tetrahydrofuran

4.2: 95 percent / tetrahydrofuran / 0 °C

With pyridine; hydrogen; acetic acid; acetyl chloride; lithium tert-butoxide; sodium nitrite; palladium on activated charcoal; In tetrahydrofuran; ethanol; dichloromethane; ethyl acetate;
DOI:10.1021/jm0502135