tert-butyl (S)-5-methyl-4-oxo-3,4-dihydro-2H-pyran-2-carboxylate

Base Information

• Chemical Name: tert-butyl (S)-5-methyl-4-oxo-3,4-dihydro-2H-pyran-2-carboxylate
• CAS No.: 1441724-27-1
• Molecular Formula: C₁₁H₁₆O₄
• Molecular Weight: 212.246
• Mol file: 1441724-27-1.mol

Synonyms:tert-butyl (S)-5-methyl-4-oxo-3,4-dihydro-2H-pyran-2-carboxylate

Chemical Property of tert-butyl (S)-5-methyl-4-oxo-3,4-dihydro-2H-pyran-2-carboxylate

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of tert-butyl (S)-5-methyl-4-oxo-3,4-dihydro-2H-pyran-2-carboxylate

There total 1 articles about tert-butyl (S)-5-methyl-4-oxo-3,4-dihydro-2H-pyran-2-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: 70.0%

tert-butyl glyoxylate (7633-32-1) + (E)-3-methyl-4-methoxy-2-[(trimethylsilyl)oxy]-1,3-butadiene (72476-03-0) → tert-butyl (S)-5-methyl-4-oxo-3,4-dihydro-2H-pyran-2-carboxylate (1441724-27-1)

Guidance literature:

tert-butyl glyoxylate; With C₂₅H₁₉N₃O₂*In⁽³⁺⁾*3I^(1-); In dichloromethane; for 2h; Inert atmosphere; Molecular sieve;

(E)-3-methyl-4-methoxy-2-[(trimethylsilyl)oxy]-1,3-butadiene; In dichloromethane; at 20 ℃; Inert atmosphere; Molecular sieve;

With trifluoroacetic acid; In dichloromethane; at -20 ℃; for 3h; enantioselective reaction; Inert atmosphere; Molecular sieve;

DOI:10.1021/ol400841s

upstream raw materials:

tert-butyl glyoxylate

(E)-3-methyl-4-methoxy-2-[(trimethylsilyl)oxy]-1,3-butadiene