tert-Butyl (2RS,3SR)-2,3-dimethyl-5-oxo-5-(2,4,6-trimethylphenyl)pentanoate

Base Information

• Chemical Name: tert-Butyl (2RS,3SR)-2,3-dimethyl-5-oxo-5-(2,4,6-trimethylphenyl)pentanoate
• CAS No.: 123101-20-2
• Molecular Formula: C₂₀H₃₀O₃
• Molecular Weight: 318.456

Synonyms:tert-Butyl (2RS,3SR)-2,3-dimethyl-5-oxo-5-(2,4,6-trimethylphenyl)pentanoate

Chemical Property of tert-Butyl (2RS,3SR)-2,3-dimethyl-5-oxo-5-(2,4,6-trimethylphenyl)pentanoate

Chemical Property:

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Technology Process of tert-Butyl (2RS,3SR)-2,3-dimethyl-5-oxo-5-(2,4,6-trimethylphenyl)pentanoate

There total 2 articles about tert-Butyl (2RS,3SR)-2,3-dimethyl-5-oxo-5-(2,4,6-trimethylphenyl)pentanoate 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:

(E)-1-mesitylbut-2-en-1-one (36971-09-2) + (E)-Dimethyl<<1-(1,1-dimethylethoxy)-1-propenyl>oxy>(1,1-dimethylethyl)silane (89043-58-3) → 2,3-Dimethyl-5-oxo-5-(2,4,6-trimethyl-phenyl)-pentanoic acid tert-butyl ester (123101-20-2) + 2,3-Dimethyl-5-oxo-5-(2,4,6-trimethyl-phenyl)-pentanoic acid tert-butyl ester (123101-20-2)

Guidance literature:

With titanium tetrachloride; In dichloromethane; at -78 ℃; Yield given. Yields of byproduct given. Title compound not separated from byproducts;

DOI:10.1021/jo00045a005

Reference yield:

(E)-1-mesitylbut-2-en-1-one (36971-09-2) + (E)-Dimethyl<<1-(1,1-dimethylethoxy)-1-propenyl>oxy>(1,1-dimethylethyl)silane (89043-58-3) → 2,3-Dimethyl-5-oxo-5-(2,4,6-trimethyl-phenyl)-pentanoic acid tert-butyl ester (123101-20-2) + 2,3-Dimethyl-5-oxo-5-(2,4,6-trimethyl-phenyl)-pentanoic acid tert-butyl ester (123101-20-2)

Guidance literature:

With titanium tetrachloride; In dichloromethane; at -78 ℃; Yield given. Yields of byproduct given. Title compound not separated from byproducts;

DOI:10.1021/jo00045a005

Reference yield: 74.0%

tert-Butyl (2RS,3SR)-2,3-dimethyl-5-oxo-5-(2,4,6-trimethylphenyl)pentanoate (123101-20-2) → (2RS,3SR)-2,3-Dimethyl-5-oxo-5-(2,4,6-trimethylphenyl)pentanoic acid (123101-35-9)

Guidance literature:

With trifluoroacetic acid; In dichloromethane; at 0 ℃;

DOI:10.1021/jo00288a028

upstream raw materials:

(E)-1-mesitylbut-2-en-1-one

(E)-Dimethyl<<1-(1,1-dimethylethoxy)-1-propenyl>oxy>(1,1-dimethylethyl)silane

Downstream raw materials:

(2RS,3SR)-2,3-Dimethyl-5-oxo-5-(2,4,6-trimethylphenyl)pentanoic acid

tert-Butyl(2SR,3RS)-4-((benzyloxy)carbonyl)-2,3-dimethylpentanoate

(2'RS,3'SR)-1-(2',3'-Dimethyl-1',5'-dioxo-5'-(2,4,6-trimethylphenyl)pentyl)pyrrolidine

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