2-[5-(5-methyl-[1,2,4]oxadiazol-3-yl)-benzo[b]thiophen-3-yl]-3-phenyl-propionic acid ethyl ester

Base Information

Chemical Name:2-[5-(5-methyl-[1,2,4]oxadiazol-3-yl)-benzo[b]thiophen-3-yl]-3-phenyl-propionic acid ethyl ester
CAS No.:835926-54-0
Molecular Formula:C₂₂H₂₀N₂O₃S
Molecular Weight:392.478
Hs Code.:

2-[5-(5-methyl-[1,2,4]oxadiazol-3-yl)-benzo[<i>b</i>]thiophen-3-yl]-3-phenyl-propionic acid ethyl ester

Synonyms:2-[5-(5-methyl-[1,2,4]oxadiazol-3-yl)-benzo[b]thiophen-3-yl]-3-phenyl-propionic acid ethyl ester

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Chemical Property of 2-[5-(5-methyl-[1,2,4]oxadiazol-3-yl)-benzo[b]thiophen-3-yl]-3-phenyl-propionic acid ethyl ester

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Technology Process of 2-[5-(5-methyl-[1,2,4]oxadiazol-3-yl)-benzo[b]thiophen-3-yl]-3-phenyl-propionic acid ethyl ester

There total 6 articles about 2-[5-(5-methyl-[1,2,4]oxadiazol-3-yl)-benzo[b]thiophen-3-yl]-3-phenyl-propionic acid ethyl ester 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: 78.0%

: 108-24-7
acetic anhydride

: 835926-45-9
2-(5-cyano-benzo[b]thiophen-3-yl)-3-phenyl-propionic acid ethyl ester

: 835926-54-0
2-[5-(5-methyl-[1,2,4]oxadiazol-3-yl)-benzo[b]thiophen-3-yl]-3-phenyl-propionic acid ethyl ester

Guidance literature:: 2-(5-cyano-benzo[b]thiophen-3-yl)-3-phenyl-propionic acid ethyl ester; With hydroxylamine hydrochloride; triethylamine; In ethanol;

acetic anhydride; With acetic acid;
DOI:10.1016/j.bmcl.2004.10.045

Reference yield:

: 638-07-3
ethyl (2-chloroaceto)acetate

: 835926-54-0
2-[5-(5-methyl-[1,2,4]oxadiazol-3-yl)-benzo[b]thiophen-3-yl]-3-phenyl-propionic acid ethyl ester

Guidance literature:: Multi-step reaction with 5 steps

1.1: pyridine

2.1: polyphosphoric acid / 65 °C

3.1: dimethylformamide / 140 °C

4.1: LiN(TMS)2 / tetrahydrofuran

4.2: -78 °C

5.1: NH₂OH*HCl; Et₃N / ethanol

5.2: 78 percent / AcOH

With pyridine; PPA; hydroxylamine hydrochloride; triethylamine; lithium hexamethyldisilazane; In tetrahydrofuran; ethanol; N,N-dimethyl-formamide;
DOI:10.1016/j.bmcl.2004.10.045

Reference yield:

: 130106-00-2
4-((4-bromophenyl)thio)-3-oxobutanoic acid ethyl ester

: 835926-54-0
2-[5-(5-methyl-[1,2,4]oxadiazol-3-yl)-benzo[b]thiophen-3-yl]-3-phenyl-propionic acid ethyl ester

Guidance literature:: Multi-step reaction with 4 steps

1.1: polyphosphoric acid / 65 °C

2.1: dimethylformamide / 140 °C

3.1: LiN(TMS)2 / tetrahydrofuran

3.2: -78 °C

4.1: NH₂OH*HCl; Et₃N / ethanol

4.2: 78 percent / AcOH

With PPA; hydroxylamine hydrochloride; triethylamine; lithium hexamethyldisilazane; In tetrahydrofuran; ethanol; N,N-dimethyl-formamide;
DOI:10.1016/j.bmcl.2004.10.045