(3R,4R)-ethyl 3-benzyl-3,4-dihydro-6-methyl-2-oxo-2H-pyran-4-carboxylate

Base Information

Chemical Name:(3R,4R)-ethyl 3-benzyl-3,4-dihydro-6-methyl-2-oxo-2H-pyran-4-carboxylate
CAS No.:1287678-41-4
Molecular Formula:C₁₆H₁₈O₄
Molecular Weight:274.317
Hs Code.:

Synonyms:(3R,4R)-ethyl 3-benzyl-3,4-dihydro-6-methyl-2-oxo-2H-pyran-4-carboxylate

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Chemical Property of (3R,4R)-ethyl 3-benzyl-3,4-dihydro-6-methyl-2-oxo-2H-pyran-4-carboxylate

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Technology Process of (3R,4R)-ethyl 3-benzyl-3,4-dihydro-6-methyl-2-oxo-2H-pyran-4-carboxylate

There total 2 articles about (3R,4R)-ethyl 3-benzyl-3,4-dihydro-6-methyl-2-oxo-2H-pyran-4-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: 94.0%

: 6742-53-6,200628-30-4
ethyl 4-oxopent-2-enoate

: 104-55-2
3-phenyl-propenal

: 1287678-41-4
(3R,4R)-ethyl 3-benzyl-3,4-dihydro-6-methyl-2-oxo-2H-pyran-4-carboxylate

Guidance literature:: With (5aS,10bR)-5a,10b-dihydro-2-(2,4,6-trimethylphenyl)-4H,6H-indeno[2,1-b]-1,2,4-triazolo[4,3-d]-1,4-oxazinium chloride; N-ethyl-N,N-diisopropylamine; In dichloromethane; at 40 ℃; optical yield given as %ee; enantioselective reaction;
DOI:10.1073/pnas.1007469107

Reference yield: 72.0%

: 104-53-0
3-phenyl-propionaldehyde

: 6742-53-6,200628-30-4
ethyl 4-oxopent-2-enoate

: 1287678-41-4
(3R,4R)-ethyl 3-benzyl-3,4-dihydro-6-methyl-2-oxo-2H-pyran-4-carboxylate

: C₁₆H₁₈O₄

Guidance literature:: With C₂₁H₂₂N₃O⁽¹⁺⁾*BF₄; potassium carbonate; 3-methyl-2',3',4',5'-tetraacetylriboflavin; In tetrahydrofuran; acetonitrile; at 23 ℃; for 10h; Molecular sieve; Inert atmosphere;
DOI:10.1002/anie.201206490