(E)-(S)-4-({(S)-2-[(S)-2-(tert-Butoxycarbonyl-methyl-amino)-3-methyl-3-o-tolyl-butyrylamino]-3,3-dimethyl-butyryl}-methyl-amino)-2,5-dimethyl-hex-2-enoic acid ethyl ester

Base Information

Chemical Name:(E)-(S)-4-({(S)-2-[(S)-2-(tert-Butoxycarbonyl-methyl-amino)-3-methyl-3-o-tolyl-butyrylamino]-3,3-dimethyl-butyryl}-methyl-amino)-2,5-dimethyl-hex-2-enoic acid ethyl ester
CAS No.:797026-83-6
Molecular Formula:C₃₅H₅₇N₃O₆
Molecular Weight:615.854
Hs Code.:

(E)-(S)-4-({(S)-2-[(S)-2-(tert-Butoxycarbonyl-methyl-amino)-3-methyl-3-o-tolyl-butyrylamino]-3,3-dimethyl-butyryl}-methyl-amino)-2,5-dimethyl-hex-2-enoic acid ethyl ester

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Chemical Property of (E)-(S)-4-({(S)-2-[(S)-2-(tert-Butoxycarbonyl-methyl-amino)-3-methyl-3-o-tolyl-butyrylamino]-3,3-dimethyl-butyryl}-methyl-amino)-2,5-dimethyl-hex-2-enoic acid ethyl ester

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Technology Process of (E)-(S)-4-({(S)-2-[(S)-2-(tert-Butoxycarbonyl-methyl-amino)-3-methyl-3-o-tolyl-butyrylamino]-3,3-dimethyl-butyryl}-methyl-amino)-2,5-dimethyl-hex-2-enoic acid ethyl ester

There total 8 articles about (E)-(S)-4-({(S)-2-[(S)-2-(tert-Butoxycarbonyl-methyl-amino)-3-methyl-3-o-tolyl-butyrylamino]-3,3-dimethyl-butyryl}-methyl-amino)-2,5-dimethyl-hex-2-enoic acid ethyl ester 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:

: 610786-70-4
ethyl (S,E)-4-((S)-2-amino-N,3,3-trimethylbutanamide)-2,5-dimethylhexa-2-enoate hydrochloride

: 676627-37-5
2-(tert-butoxycarbonyl-methyl-amino)-3-methyl-3-o-tolyl-butyric acid

: 797026-83-6
(E)-(S)-4-({(S)-2-[(S)-2-(tert-Butoxycarbonyl-methyl-amino)-3-methyl-3-o-tolyl-butyrylamino]-3,3-dimethyl-butyryl}-methyl-amino)-2,5-dimethyl-hex-2-enoic acid ethyl ester

: (E)-(S)-4-({(S)-2-[(R)-2-(tert-Butoxycarbonyl-methyl-amino)-3-methyl-3-o-tolyl-butyrylamino]-3,3-dimethyl-butyryl}-methyl-amino)-2,5-dimethyl-hex-2-enoic acid ethyl ester

Guidance literature:: 2-(tert-butoxycarbonyl-methyl-amino)-3-methyl-3-o-tolyl-butyric acid; With 4-methyl-morpholine; benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; In N,N-dimethyl-formamide; at 0 - 20 ℃;

ethyl (S,E)-4-((S)-2-amino-N,3,3-trimethylbutanamide)-2,5-dimethylhexa-2-enoate hydrochloride; In N,N-dimethyl-formamide; at 20 ℃;
DOI:10.1016/j.bmcl.2004.08.024

Reference yield:

: 24424-99-5
di-tert-butyl dicarbonate

: 797026-83-6
(E)-(S)-4-({(S)-2-[(S)-2-(tert-Butoxycarbonyl-methyl-amino)-3-methyl-3-o-tolyl-butyrylamino]-3,3-dimethyl-butyryl}-methyl-amino)-2,5-dimethyl-hex-2-enoic acid ethyl ester

Guidance literature:: Multi-step reaction with 4 steps

1.1: acetonitrile

2.1: DMAP; i-Pr₂EtN / acetonitrile

3.1: aq. NaOH

4.1: hydroxybenzotriazole; 1-(3-dimethylaminopropyl)-3-ethylcarbodiimide*HCl; N-methylmorpholine / dimethylformamide / 0 - 20 °C

4.2: dimethylformamide / 20 °C

With 4-methyl-morpholine; dmap; sodium hydroxide; benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; N-ethyl-N,N-diisopropylamine; In N,N-dimethyl-formamide; acetonitrile;
DOI:10.1016/j.bmcl.2004.08.024

Reference yield:

: 529-20-4
2-methylphenyl aldehyde

: 797026-83-6
(E)-(S)-4-({(S)-2-[(S)-2-(tert-Butoxycarbonyl-methyl-amino)-3-methyl-3-o-tolyl-butyrylamino]-3,3-dimethyl-butyryl}-methyl-amino)-2,5-dimethyl-hex-2-enoic acid ethyl ester

Guidance literature:: Multi-step reaction with 8 steps

1.1: LDA / 1,2-dimethoxy-ethane; CH₂Cl₂ / -78 °C

1.2: 65 percent / 1,2-dimethoxy-ethane; CH₂Cl₂ / 15 h / -40 °C

2.1: 89 percent / (C₆F₅)3B / benzene / 60 °C

3.1: 89 percent / H₂O

4.1: 25 percent / LiOH; aq. H₂O₂

5.1: acetonitrile

6.1: DMAP; i-Pr₂EtN / acetonitrile

7.1: aq. NaOH

8.1: hydroxybenzotriazole; 1-(3-dimethylaminopropyl)-3-ethylcarbodiimide*HCl; N-methylmorpholine / dimethylformamide / 0 - 20 °C

8.2: dimethylformamide / 20 °C

With 4-methyl-morpholine; dmap; lithium hydroxide; sodium hydroxide; tris(pentafluorophenyl)borate; dihydrogen peroxide; benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; N-ethyl-N,N-diisopropylamine; lithium diisopropyl amide; In 1,2-dimethoxyethane; dichloromethane; water; N,N-dimethyl-formamide; acetonitrile; benzene;
DOI:10.1016/j.bmcl.2004.08.024