(3S,4S)-ethyl 3-benzyl-2-oxo-6-phenyl-3,4-dihydro-2H-pyran-4-carboxylate

Base Information

Chemical Name:(3S,4S)-ethyl 3-benzyl-2-oxo-6-phenyl-3,4-dihydro-2H-pyran-4-carboxylate
CAS No.:1042450-56-5
Molecular Formula:C₂₁H₂₀O₄
Molecular Weight:336.387
Hs Code.:

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

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

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

There total 3 articles about (3S,4S)-ethyl 3-benzyl-2-oxo-6-phenyl-3,4-dihydro-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: 79.0%

: 1262801-38-6
1-oxo-3-phenylpropan-2-yl p-nitrobenzoate

: 15121-89-8
ethyl (E)-4-oxo-4-phenyl-2-butenoate

: 1042450-56-5
(3S,4S)-ethyl 3-benzyl-2-oxo-6-phenyl-3,4-dihydro-2H-pyran-4-carboxylate

Guidance literature:: With (5aR,10bS)-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; triethylamine; In tetrahydrofuran; at 20 - 25 ℃; for 2h; stereoselective reaction; Inert atmosphere; Molecular sieve; Sealed tube;
DOI:10.1016/j.tetasy.2017.01.002

Reference yield:

: 51075-28-6
2-bromo-3-phenylpropanal

: 15121-89-8,20908-27-4,17450-56-5
ethyl 3-benzoyl acrylate

: 1042450-56-5
(3S,4S)-ethyl 3-benzyl-2-oxo-6-phenyl-3,4-dihydro-2H-pyran-4-carboxylate

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

: ethyl 3-benzyl-6-phenyl-2-oxo-3,4-dihydro-2H-pyran-4-carboxylate

Guidance literature:: With BF₄^(1-)*C₃₃H₃₃N₄O₂S⁽¹⁺⁾; triethylamine; In ethyl acetate; at 20 ℃; for 12h; optical yield given as %ee; enantioselective reaction; Inert atmosphere;
DOI:10.1016/j.tet.2011.09.129

Reference yield:

: 19261-37-1
2-chloro-3-phenyl-propionaldehyde

: 15121-89-8,20908-27-4,17450-56-5
ethyl 3-benzoyl acrylate

: 1042450-56-5
(3S,4S)-ethyl 3-benzyl-2-oxo-6-phenyl-3,4-dihydro-2H-pyran-4-carboxylate

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

: ethyl 3-benzyl-6-phenyl-2-oxo-3,4-dihydro-2H-pyran-4-carboxylate

Guidance literature:: With BF₄^(1-)*C₃₃H₃₃N₄O₂S⁽¹⁺⁾; triethylamine; In ethyl acetate; at 20 ℃; for 24h; optical yield given as %ee; enantioselective reaction; Inert atmosphere;
DOI:10.1016/j.tet.2011.09.129