(S)-2-(tert-Butyl-diphenyl-silanyloxy)-succinic acid 1-benzyl ester 4-{(S)-1-benzyloxycarbonyl-2-[(S)-1-benzyloxycarbonyl-2-((S)-1-benzyloxycarbonyl-2-carboxy-ethoxycarbonyl)-ethoxycarbonyl]-ethyl} ester

Base Information

• Chemical Name: (S)-2-(tert-Butyl-diphenyl-silanyloxy)-succinic acid 1-benzyl ester 4-{(S)-1-benzyloxycarbonyl-2-[(S)-1-benzyloxycarbonyl-2-((S)-1-benzyloxycarbonyl-2-carboxy-ethoxycarbonyl)-ethoxycarbonyl]-ethyl} ester
• CAS No.: 276871-04-6
• Molecular Formula: C₆₀H₆₀O₁₇Si
• Molecular Weight: 1081.21

Synonyms:(S)-2-(tert-Butyl-diphenyl-silanyloxy)-succinic acid 1-benzyl ester 4-{(S)-1-benzyloxycarbonyl-2-[(S)-1-benzyloxycarbonyl-2-((S)-1-benzyloxycarbonyl-2-carboxy-ethoxycarbonyl)-ethoxycarbonyl]-ethyl} ester

Chemical Property of (S)-2-(tert-Butyl-diphenyl-silanyloxy)-succinic acid 1-benzyl ester 4-{(S)-1-benzyloxycarbonyl-2-[(S)-1-benzyloxycarbonyl-2-((S)-1-benzyloxycarbonyl-2-carboxy-ethoxycarbonyl)-ethoxycarbonyl]-ethyl} ester

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
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Useful:

Technology Process of (S)-2-(tert-Butyl-diphenyl-silanyloxy)-succinic acid 1-benzyl ester 4-{(S)-1-benzyloxycarbonyl-2-[(S)-1-benzyloxycarbonyl-2-((S)-1-benzyloxycarbonyl-2-carboxy-ethoxycarbonyl)-ethoxycarbonyl]-ethyl} ester

There total 10 articles about (S)-2-(tert-Butyl-diphenyl-silanyloxy)-succinic acid 1-benzyl ester 4-{(S)-1-benzyloxycarbonyl-2-[(S)-1-benzyloxycarbonyl-2-((S)-1-benzyloxycarbonyl-2-carboxy-ethoxycarbonyl)-ethoxycarbonyl]-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: 95.0%

(S)-2-(tert-Butyl-diphenyl-silanyloxy)-succinic acid 4-{(S)-2-[(S)-2-((S)-2-allyloxycarbonyl-1-benzyloxycarbonyl-ethoxycarbonyl)-1-benzyloxycarbonyl-ethoxycarbonyl]-1-benzyloxycarbonyl-ethyl} ester 1-benzyl ester (276871-03-5) → (S)-2-(tert-Butyl-diphenyl-silanyloxy)-succinic acid 1-benzyl ester 4-{(S)-1-benzyloxycarbonyl-2-[(S)-1-benzyloxycarbonyl-2-((S)-1-benzyloxycarbonyl-2-carboxy-ethoxycarbonyl)-ethoxycarbonyl]-ethyl} ester (276871-04-6)

Guidance literature:

With 1H-imidazole; tetrakis(triphenylphosphine) palladium⁽⁰⁾; In tetrahydrofuran; at 20 ℃; for 1h;

DOI:10.1002/1099-0690(200004)2000:7<1207::AID-EJOC1207>3.0.CO;2-2

Reference yield:

4-allyl 1-benzyl (2S)-2-[(3S)-3-benzyloxycarbonyl-3-(tert-butyldiphenylsilyloxy)propanoyloxy]butanedioate (276871-00-2) → (S)-2-(tert-Butyl-diphenyl-silanyloxy)-succinic acid 1-benzyl ester 4-{(S)-1-benzyloxycarbonyl-2-[(S)-1-benzyloxycarbonyl-2-((S)-1-benzyloxycarbonyl-2-carboxy-ethoxycarbonyl)-ethoxycarbonyl]-ethyl} ester (276871-04-6)

Guidance literature:

Multi-step reaction with 3 steps

1: 95 percent / 70percent HF / CH₂Cl₂; pyridine / 14 h / 0 - 20 °C

2: 2.71 g / pyridine / CH₂Cl₂ / -78 - 20 °C

3: 95 percent / imidazole / Pd(PPh₃)4 / tetrahydrofuran / 1 h / 20 °C

With pyridine; 1H-imidazole; tetrakis(triphenylphosphine) palladium⁽⁰⁾; In tetrahydrofuran; pyridine; dichloromethane; 1: Hydrolysis / 2: Condensation / 3: Ester cleavage;

DOI:10.1002/1099-0690(200004)2000:7<1207::AID-EJOC1207>3.0.CO;2-2

Reference yield:

(S)-3-(Benzyloxycarbonyl)-3-hydroxypropanoic acid (66178-04-9) → (S)-2-(tert-Butyl-diphenyl-silanyloxy)-succinic acid 1-benzyl ester 4-{(S)-1-benzyloxycarbonyl-2-[(S)-1-benzyloxycarbonyl-2-((S)-1-benzyloxycarbonyl-2-carboxy-ethoxycarbonyl)-ethoxycarbonyl]-ethyl} ester (276871-04-6)

Guidance literature:

Multi-step reaction with 5 steps

1: 92 percent / K₂CO₃; tetrabutyl ammonium bromide / dimethylformamide / 4 h / 20 °C

2: 5.96 g / pyridine / CH₂Cl₂ / -78 - 20 °C

3: 95 percent / 70percent HF / CH₂Cl₂; pyridine / 14 h / 0 - 20 °C

4: 2.71 g / pyridine / CH₂Cl₂ / -78 - 20 °C

5: 95 percent / imidazole / Pd(PPh₃)4 / tetrahydrofuran / 1 h / 20 °C

With pyridine; 1H-imidazole; tetrabutylammomium bromide; potassium carbonate; tetrakis(triphenylphosphine) palladium⁽⁰⁾; In tetrahydrofuran; pyridine; dichloromethane; N,N-dimethyl-formamide; 1: Esterification / 2: Substitution / 3: Hydrolysis / 4: Condensation / 5: Ester cleavage;

DOI:10.1002/1099-0690(200004)2000:7<1207::AID-EJOC1207>3.0.CO;2-2

upstream raw materials:

(S)-2-(tert-Butyl-diphenyl-silanyloxy)-succinic acid 4-{(S)-2-[(S)-2-((S)-2-allyloxycarbonyl-1-benzyloxycarbonyl-ethoxycarbonyl)-1-benzyloxycarbonyl-ethoxycarbonyl]-1-benzyloxycarbonyl-ethyl} ester 1-benzyl ester

(S)-3-(Benzyloxycarbonyl)-3-hydroxypropanoic acid

tert-butylchlorodiphenylsilane

4-allyl 1-benzyl (2S)-2-hydroxybutanedioate

Downstream raw materials:

(S)-2-(tert-Butyl-diphenyl-silanyloxy)-succinic acid 1-benzyl ester 4-{(S)-1-benzyloxycarbonyl-2-[(S)-1-benzyloxycarbonyl-2-((S)-1,2-bis-benzyloxycarbonyl-ethoxycarbonyl)-ethoxycarbonyl]-ethyl} ester

(S)-2-Hydroxy-succinic acid 1-benzyl ester 4-{(S)-1-benzyloxycarbonyl-2-[(S)-1-benzyloxycarbonyl-2-((S)-1,2-bis-benzyloxycarbonyl-ethoxycarbonyl)-ethoxycarbonyl]-ethyl} ester

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