(2S,4S)-tert-butyl 2-((2-methoxyethoxy)methyl)-4-(tosyloxy)pyrrolidine-1-carboxylate

Base Information

• Chemical Name: (2S,4S)-tert-butyl 2-((2-methoxyethoxy)methyl)-4-(tosyloxy)pyrrolidine-1-carboxylate
• CAS No.: 1269755-83-0
• Molecular Formula: C₂₀H₃₁NO₇S
• Molecular Weight: 429.535
• Mol file: 1269755-83-0.mol

Synonyms:(2S,4S)-tert-butyl 2-((2-methoxyethoxy)methyl)-4-(tosyloxy)pyrrolidine-1-carboxylate

Chemical Property of (2S,4S)-tert-butyl 2-((2-methoxyethoxy)methyl)-4-(tosyloxy)pyrrolidine-1-carboxylate

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of (2S,4S)-tert-butyl 2-((2-methoxyethoxy)methyl)-4-(tosyloxy)pyrrolidine-1-carboxylate

There total 5 articles about (2S,4S)-tert-butyl 2-((2-methoxyethoxy)methyl)-4-(tosyloxy)pyrrolidine-1-carboxylate 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:

(2S,4S)-tert-butyl 4-hydroxy-2-((2-methoxyethoxy)methyl)pyrrolidine-1-carboxylate (1269755-82-9) + p-toluenesulfonyl chloride (98-59-9) → (2S,4S)-tert-butyl 2-((2-methoxyethoxy)methyl)-4-(tosyloxy)pyrrolidine-1-carboxylate (1269755-83-0)

Guidance literature:

With pyridine; at 25 ℃; for 18h;

Reference yield:

(2S,4S)-N-tert-butoxycarbonyl-4-hydroxyproline methyl ester (74844-91-0,114676-69-6,135042-17-0,227935-38-8,102195-79-9) → (2S,4S)-tert-butyl 2-((2-methoxyethoxy)methyl)-4-(tosyloxy)pyrrolidine-1-carboxylate (1269755-83-0)

Guidance literature:

Multi-step reaction with 5 steps

1.1: 1H-imidazole / dichloromethane / 18 h / 20 °C

2.1: sodium tetrahydroborate / tetrahydrofuran / 4 h / 70 °C

3.1: sodium hydride / tetrahydrofuran / 1 h / 25 °C

3.2: 18 h / 25 °C

4.1: tetrabutyl ammonium fluoride / tetrahydrofuran / 2 h / 25 °C

5.1: pyridine / 18 h / 25 °C

With pyridine; 1H-imidazole; sodium tetrahydroborate; tetrabutyl ammonium fluoride; sodium hydride; In tetrahydrofuran; dichloromethane;

Reference yield:

(2S,4S)-4-(tert-butyl-diphenyl-silanyloxy)-pyrrolidine-1,2-dicarboxylic acid 1-tert-butyl ester 2-methyl ester (1157902-48-1) → (2S,4S)-tert-butyl 2-((2-methoxyethoxy)methyl)-4-(tosyloxy)pyrrolidine-1-carboxylate (1269755-83-0)

Guidance literature:

Multi-step reaction with 4 steps

1.1: sodium tetrahydroborate / tetrahydrofuran / 4 h / 70 °C

2.1: sodium hydride / tetrahydrofuran / 1 h / 25 °C

2.2: 18 h / 25 °C

3.1: tetrabutyl ammonium fluoride / tetrahydrofuran / 2 h / 25 °C

4.1: pyridine / 18 h / 25 °C

With pyridine; sodium tetrahydroborate; tetrabutyl ammonium fluoride; sodium hydride; In tetrahydrofuran;

upstream raw materials:

(2S,4S)-N-tert-butoxycarbonyl-4-hydroxyproline methyl ester

(2S,4S)-tert-butyl 4-hydroxy-2-((2-methoxyethoxy)methyl)pyrrolidine-1-carboxylate

p-toluenesulfonyl chloride

(2S,4S)-4-(tert-butyl-diphenyl-silanyloxy)-pyrrolidine-1,2-dicarboxylic acid 1-tert-butyl ester 2-methyl ester