2-Pentenoic acid, 4-oxo-, phenylmethyl ester, (Z)-

Base Information

• Chemical Name: 2-Pentenoic acid, 4-oxo-, phenylmethyl ester, (Z)-
• CAS No.: 139915-21-2
• Molecular Formula: C12H12O3
• Molecular Weight: 204.225
• Mol file: 139915-21-2.mol

Synonyms:

Chemical Property of 2-Pentenoic acid, 4-oxo-, phenylmethyl ester, (Z)-

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 2-Pentenoic acid, 4-oxo-, phenylmethyl ester, (Z)-

There total 10 articles about 2-Pentenoic acid, 4-oxo-, phenylmethyl ester, (Z)- 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: 64.0%

N-fluorobis(benzenesulfon)imide (133745-75-2) + (E)-benzyl pent-3-enoate → (E)-benzyl 4-N-di(phenylsulfonyl)imidopent-2-enoate + phenylmethyl E-4-oxopent-2-enoate (139915-21-2)

Guidance literature:

With diphenyl diselenide; water; In tetrahydrofuran; at 23 ℃; for 16h; Reagent/catalyst; regioselective reaction; Inert atmosphere;

DOI:10.1002/anie.201303662

Reference yield:

(carbobenzyloxymethylene)triphenylphosphorane (15097-38-8) → benzyl (Z)-4-oxo-2-pentenoate (139915-21-2)

Guidance literature:

Multi-step reaction with 2 steps

1: hydroquinone / benzene / 16 h / 2585.7 - 5171.5 Torr / Irradiation

2: 5percent aq. HCl / diethyl ether / 12 h

With hydrogenchloride; hydroquinone; In diethyl ether; benzene;

DOI:10.1021/ja00037a008

Reference yield:

benzyl 4-methoxy-2,3-pentadienoate (139915-07-4) → benzyl (Z)-4-oxo-2-pentenoate (139915-21-2)

Guidance literature:

With hydrogenchloride; In diethyl ether; for 12h; Yield given;

DOI:10.1021/ja00037a008

upstream raw materials:

benzyl levulinate

levulinic acid

benzyl alcohol

benzyl acetoacetate

Downstream raw materials:

benzyl 5-bromo-4-oxopent-2-enoate