(S)-3-((4S,5S)-4,5-Bis-methoxymethyl-2-methyl-[1,3]dioxolan-2-yl)-3-(4-methoxy-phenylamino)-propionic acid tert-butyl ester

Base Information

• Chemical Name: (S)-3-((4S,5S)-4,5-Bis-methoxymethyl-2-methyl-[1,3]dioxolan-2-yl)-3-(4-methoxy-phenylamino)-propionic acid tert-butyl ester
• CAS No.: 143381-53-7
• Molecular Formula: C₂₂H₃₅NO₇
• Molecular Weight: 425.522
• Mol file: 143381-53-7.mol

Synonyms:(S)-3-((4S,5S)-4,5-Bis-methoxymethyl-2-methyl-[1,3]dioxolan-2-yl)-3-(4-methoxy-phenylamino)-propionic acid tert-butyl ester

Chemical Property of (S)-3-((4S,5S)-4,5-Bis-methoxymethyl-2-methyl-[1,3]dioxolan-2-yl)-3-(4-methoxy-phenylamino)-propionic acid tert-butyl ester

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of (S)-3-((4S,5S)-4,5-Bis-methoxymethyl-2-methyl-[1,3]dioxolan-2-yl)-3-(4-methoxy-phenylamino)-propionic acid tert-butyl ester

There total 2 articles about (S)-3-((4S,5S)-4,5-Bis-methoxymethyl-2-methyl-[1,3]dioxolan-2-yl)-3-(4-methoxy-phenylamino)-propionic acid tert-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:

(4S,5S)-4,5-Dimethoxymethyl-2-(N-p-methoxyphenyl)iminomethyl-2-methyl-1,3-dioxolane (139308-00-2) + C6H11O2(1-)*Cl(1-)*Zn(2+) → (S)-3-((4S,5S)-4,5-Bis-methoxymethyl-2-methyl-[1,3]dioxolan-2-yl)-3-(4-methoxy-phenylamino)-propionic acid tert-butyl ester (143381-53-7) + (R)-3-((4S,5S)-4,5-Bis-methoxymethyl-2-methyl-[1,3]dioxolan-2-yl)-3-(4-methoxy-phenylamino)-propionic acid tert-butyl ester (143381-54-8)

Guidance literature:

In tetrahydrofuran; at -78 - 20 ℃; Yield given. Yields of byproduct given. Title compound not separated from byproducts;

DOI:10.1246/cl.1992.1349

Reference yield:

acetic acid tert-butyl ester (540-88-5) + (4S,5S)-4,5-Dimethoxymethyl-2-(N-p-methoxyphenyl)iminomethyl-2-methyl-1,3-dioxolane (139308-00-2) → (S)-3-((4S,5S)-4,5-Bis-methoxymethyl-2-methyl-[1,3]dioxolan-2-yl)-3-(4-methoxy-phenylamino)-propionic acid tert-butyl ester (143381-53-7)

Guidance literature:

With lithium diisopropyl amide; Yield given. Multistep reaction; 1.) THF, -78 deg C, 2.) THF, -40 deg C, 3.5 h;

DOI:10.1246/cl.1992.1349

Reference yield: 89.0%

(S)-3-((4S,5S)-4,5-Bis-methoxymethyl-2-methyl-[1,3]dioxolan-2-yl)-3-(4-methoxy-phenylamino)-propionic acid tert-butyl ester (143381-53-7) → (S)-3-((4S,5S)-4,5-Bis-methoxymethyl-2-methyl-[1,3]dioxolan-2-yl)-3-(4-methoxy-phenylamino)-propionic acid (143381-57-1)

Guidance literature:

With trifluoroacetic acid; In dichloromethane; Ambient temperature;

DOI:10.1246/cl.1992.1349

upstream raw materials:

acetic acid tert-butyl ester

(4S,5S)-4,5-Dimethoxymethyl-2-(N-p-methoxyphenyl)iminomethyl-2-methyl-1,3-dioxolane

Downstream raw materials:

(S)-3-((4S,5S)-4,5-Bis-methoxymethyl-2-methyl-[1,3]dioxolan-2-yl)-3-(4-methoxy-phenylamino)-propionic acid

(4S)-4-<(4S,5S)-4,5-dimethoxymethyl-2-methyl-1,3-dioxolan-2-yl>-1-p-methoxyphenyl-2-azetidinone