2-[(1S,2S)-1,2-Bis-benzyloxy-2-((R)-2,2-dimethyl-[1,3]dioxolan-4-yl)-ethyl]-1-trityl-1H-imidazole

Base Information

• Chemical Name: 2-[(1S,2S)-1,2-Bis-benzyloxy-2-((R)-2,2-dimethyl-[1,3]dioxolan-4-yl)-ethyl]-1-trityl-1H-imidazole
• CAS No.: 399508-32-8
• Molecular Formula: C₄₃H₄₂N₂O₄
• Molecular Weight: 650.817
• Mol file: 399508-32-8.mol

Synonyms:2-[(1S,2S)-1,2-Bis-benzyloxy-2-((R)-2,2-dimethyl-[1,3]dioxolan-4-yl)-ethyl]-1-trityl-1H-imidazole

Chemical Property of 2-[(1S,2S)-1,2-Bis-benzyloxy-2-((R)-2,2-dimethyl-[1,3]dioxolan-4-yl)-ethyl]-1-trityl-1H-imidazole

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 2-[(1S,2S)-1,2-Bis-benzyloxy-2-((R)-2,2-dimethyl-[1,3]dioxolan-4-yl)-ethyl]-1-trityl-1H-imidazole

There total 5 articles about 2-[(1S,2S)-1,2-Bis-benzyloxy-2-((R)-2,2-dimethyl-[1,3]dioxolan-4-yl)-ethyl]-1-trityl-1H-imidazole 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:

benzyl bromide (100-39-0) + (1S,2S)-2-Benzyloxy-2-((R)-2,2-dimethyl-[1,3]dioxolan-4-yl)-1-(1-trityl-1H-imidazol-2-yl)-ethanol (399508-30-6) → 2-[(1S,2S)-1,2-Bis-benzyloxy-2-((R)-2,2-dimethyl-[1,3]dioxolan-4-yl)-ethyl]-1-trityl-1H-imidazole (399508-32-8)

Guidance literature:

With tetra-(n-butyl)ammonium iodide; sodium hydride; In tetrahydrofuran; at 40 ℃; for 12h;

DOI:10.1002/1099-0690(200111)2001:21<4111::AID-EJOC4111>3.0.CO;2-7

Reference yield:

ethyl (R)-2-[(4'R)-2',2'-dimethyl-1,3-dioxolan-4'-yl]-2-hydroxyacetate (114184-94-0) → 2-[(1S,2S)-1,2-Bis-benzyloxy-2-((R)-2,2-dimethyl-[1,3]dioxolan-4-yl)-ethyl]-1-trityl-1H-imidazole (399508-32-8)

Guidance literature:

Multi-step reaction with 4 steps

1: 83 percent / AgO₂; KI; 4A MS / toluene / 2 h / Heating

2: 97 percent / DIBAH / toluene / 0.25 h / -78 °C

3: 3.66 g / nBuLi / tetrahydrofuran; hexane / 2 h / 0 °C

4: 4.44 g / NaH; nBu₄NI / tetrahydrofuran / 12 h / 40 °C

With n-butyllithium; tetra-(n-butyl)ammonium iodide; sodium hydride; diisobutylaluminium hydride; potassium iodide; In tetrahydrofuran; hexane; toluene;

DOI:10.1002/1099-0690(200111)2001:21<4111::AID-EJOC4111>3.0.CO;2-7

Reference yield:

benzyl bromide (100-39-0) → 2-[(1S,2S)-1,2-Bis-benzyloxy-2-((R)-2,2-dimethyl-[1,3]dioxolan-4-yl)-ethyl]-1-trityl-1H-imidazole (399508-32-8)

Guidance literature:

Multi-step reaction with 4 steps

1: 83 percent / AgO₂; KI; 4A MS / toluene / 2 h / Heating

2: 97 percent / DIBAH / toluene / 0.25 h / -78 °C

3: 3.66 g / nBuLi / tetrahydrofuran; hexane / 2 h / 0 °C

4: 4.44 g / NaH; nBu₄NI / tetrahydrofuran / 12 h / 40 °C

With n-butyllithium; tetra-(n-butyl)ammonium iodide; sodium hydride; diisobutylaluminium hydride; potassium iodide; In tetrahydrofuran; hexane; toluene;

DOI:10.1002/1099-0690(200111)2001:21<4111::AID-EJOC4111>3.0.CO;2-7

upstream raw materials:

benzyl bromide

(1S,2S)-2-Benzyloxy-2-((R)-2,2-dimethyl-[1,3]dioxolan-4-yl)-1-(1-trityl-1H-imidazol-2-yl)-ethanol

ethyl (R)-2-[(4'R)-2',2'-dimethyl-1,3-dioxolan-4'-yl]-2-hydroxyacetate

(R)-2-(benzyloxy)-2-[(R)-2,2-dimethyl-1,3-dioxolan-4-yl]acetaldehyde

Downstream raw materials:

(2R,3R,4S)-3,4-Bis-benzyloxy-4-(1H-imidazol-2-yl)-butane-1,2-diol

(6R,7R,8S)-7,8-Bis-benzyloxy-5,6,7,8-tetrahydro-imidazo[1,2-a]pyridin-6-ol