[(R)-1-(biphenyl-4-yl)-methyl-2-(2,2,5-trimethyl-4,6-dioxo-[1,3]dioxan-5-yl)-ethyl]-carbamic acid t-butyl ester

Base Information

• Chemical Name: [(R)-1-(biphenyl-4-yl)-methyl-2-(2,2,5-trimethyl-4,6-dioxo-[1,3]dioxan-5-yl)-ethyl]-carbamic acid t-butyl ester
• CAS No.: 1394050-22-6
• Molecular Formula: C₂₇H₃₃NO₆
• Molecular Weight: 467.562
• Mol file: 1394050-22-6.mol

Synonyms:[(R)-1-(biphenyl-4-yl)-methyl-2-(2,2,5-trimethyl-4,6-dioxo-[1,3]dioxan-5-yl)-ethyl]-carbamic acid t-butyl ester

Chemical Property of [(R)-1-(biphenyl-4-yl)-methyl-2-(2,2,5-trimethyl-4,6-dioxo-[1,3]dioxan-5-yl)-ethyl]-carbamic acid t-butyl ester

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of [(R)-1-(biphenyl-4-yl)-methyl-2-(2,2,5-trimethyl-4,6-dioxo-[1,3]dioxan-5-yl)-ethyl]-carbamic acid t-butyl ester

There total 4 articles about [(R)-1-(biphenyl-4-yl)-methyl-2-(2,2,5-trimethyl-4,6-dioxo-[1,3]dioxan-5-yl)-ethyl]-carbamic acid t-butyl 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: 85.0%

[(S)-2-biphenyl-4-yl-1-(2,2-dimethyl-4,6-dioxo-[1,3]dioxan-5-ylmethyl)ethyl]carbamic acid t-butyl ester (1383026-42-3) + methyl iodide (74-88-4) → [(R)-1-(biphenyl-4-yl)-methyl-2-(2,2,5-trimethyl-4,6-dioxo-[1,3]dioxan-5-yl)-ethyl]-carbamic acid t-butyl ester (1394050-22-6)

Guidance literature:

With potassium carbonate; In N,N-dimethyl-formamide; acetone; at 0 - 20 ℃;

Reference yield:

cycl-isopropylidene malonate (2033-24-1) → [(R)-1-(biphenyl-4-yl)-methyl-2-(2,2,5-trimethyl-4,6-dioxo-[1,3]dioxan-5-yl)-ethyl]-carbamic acid t-butyl ester (1394050-22-6)

Guidance literature:

Multi-step reaction with 3 steps

1.1: dmap; dicyclohexyl-carbodiimide / dichloromethane / 9 h / -5 °C / Inert atmosphere

2.1: acetic acid / dichloromethane / 0.5 h / -5 °C / Inert atmosphere

2.2: 2 h / -5 °C / Inert atmosphere

3.1: potassium carbonate / N,N-dimethyl-formamide / 0 - 23 °C / Inert atmosphere

With dmap; potassium carbonate; acetic acid; dicyclohexyl-carbodiimide; In dichloromethane; N,N-dimethyl-formamide;

Reference yield:

[(R)-1-biphenyl-4-ylmethyl-2-(2,2-dimethyl-4,6-dioxo-[1,3]dioxan-5-yl)-2-oxoethyl]carbamic acid t-butyl ester (1383026-37-6) → [(R)-1-(biphenyl-4-yl)-methyl-2-(2,2,5-trimethyl-4,6-dioxo-[1,3]dioxan-5-yl)-ethyl]-carbamic acid t-butyl ester (1394050-22-6)

Guidance literature:

Multi-step reaction with 2 steps

1.1: acetic acid / dichloromethane / 0.5 h / -5 °C / Inert atmosphere

1.2: 2 h / -5 °C / Inert atmosphere

2.1: potassium carbonate / N,N-dimethyl-formamide / 0 - 23 °C / Inert atmosphere

With potassium carbonate; acetic acid; In dichloromethane; N,N-dimethyl-formamide;

upstream raw materials:

(2R)-3-(biphenyl-4-yl)-2-[(tert-butoxycarbonyl)amino]propanoic acid

[(S)-2-biphenyl-4-yl-1-(2,2-dimethyl-4,6-dioxo-[1,3]dioxan-5-ylmethyl)ethyl]carbamic acid t-butyl ester

methyl iodide

cycl-isopropylidene malonate

Downstream raw materials:

(3R,5R)-5-(biphenyl-4-yl)methyl-3-methyl-2-oxopyrrolidine-3-carboxylic acid

C₁₉H₁₉NO₃

(2S,4R)-5-Biphenyl-4-yl-2-hydroxymethyl-2-methyl-4-[(3H-[1,2,3]triazole-4-carbonyl)-amino]-pentanoic acid 2-piperidin-1-yl-ethyl ester

(2S,4R)-4-amino-5-biphenyl-4-yl-2-hydroxymethyl-2-methyl-pentanoic acid 2-piperidin-1-yl-ethyl ester