2-[(2-chlorophenyl)methyl]-3-(2-fluorospiro[4,5-dihydrothieno-[2,3-c]pyran-7,4'-piperidine]-1'-yl)propanoic acid

Base Information

Chemical Name:2-[(2-chlorophenyl)methyl]-3-(2-fluorospiro[4,5-dihydrothieno-[2,3-c]pyran-7,4'-piperidine]-1'-yl)propanoic acid
CAS No.:1283095-55-5
Molecular Formula:C₂₁H₂₃ClFNO₃S
Molecular Weight:423.936
Hs Code.:

Synonyms:2-[(2-chlorophenyl)methyl]-3-(2-fluorospiro[4,5-dihydrothieno-[2,3-c]pyran-7,4'-piperidine]-1'-yl)propanoic acid

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Chemical Property of 2-[(2-chlorophenyl)methyl]-3-(2-fluorospiro[4,5-dihydrothieno-[2,3-c]pyran-7,4'-piperidine]-1'-yl)propanoic acid

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Technology Process of 2-[(2-chlorophenyl)methyl]-3-(2-fluorospiro[4,5-dihydrothieno-[2,3-c]pyran-7,4'-piperidine]-1'-yl)propanoic acid

There total 7 articles about 2-[(2-chlorophenyl)methyl]-3-(2-fluorospiro[4,5-dihydrothieno-[2,3-c]pyran-7,4'-piperidine]-1'-yl)propanoic acid 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:

: 1283095-53-3
tert-butyl 2-[(2-chlorophenyl)methyl]-3-(2-fluorospiro[4,5-dihydrothieno[2,3-c]pyran-7,4'-piperidine]-1'-yl)propanoate

: 1283095-55-5
2-[(2-chlorophenyl)methyl]-3-(2-fluorospiro[4,5-dihydrothieno-[2,3-c]pyran-7,4'-piperidine]-1'-yl)propanoic acid

Guidance literature:: With trifluoroacetic acid; In dichloromethane; at 20 ℃; for 5h;
DOI:10.1021/jm101487v

Reference yield:

: 13781-67-4
3-(2-hydroxyethyl)thiophene

: 1283095-55-5
2-[(2-chlorophenyl)methyl]-3-(2-fluorospiro[4,5-dihydrothieno-[2,3-c]pyran-7,4'-piperidine]-1'-yl)propanoic acid

Guidance literature:: Multi-step reaction with 7 steps

1.1: trifluoroacetic acid / dichloromethane / 20.5 h / 20 °C

2.1: triethylamine / dichloromethane / 5 h / 20 °C

3.1: n-butyllithium / tetrahydrofuran; hexane / 1 h / -78 °C / Inert atmosphere

3.2: -78 - 20 °C / Inert atmosphere

4.1: hydrogenchloride / 1,4-dioxane; dichloromethane / 3 h / 20 °C

5.1: triethylamine / tetrahydrofuran / 20 h / 65 °C

6.1: lithium hexamethyldisilazane / tetrahydrofuran / 1.5 h / -78 °C

6.2: 0.5 h / -78 °C

6.3: 1 h / -78 - 0 °C

7.1: trifluoroacetic acid / dichloromethane / 5 h / 20 °C

With hydrogenchloride; n-butyllithium; triethylamine; trifluoroacetic acid; lithium hexamethyldisilazane; In tetrahydrofuran; 1,4-dioxane; hexane; dichloromethane;
DOI:10.1021/jm101487v

Reference yield:

: 1283095-50-0
2-fluorospiro[4,5-dihydrothieno[2,3-c]pyran-7,4'-piperidine]

: 1283095-55-5
2-[(2-chlorophenyl)methyl]-3-(2-fluorospiro[4,5-dihydrothieno-[2,3-c]pyran-7,4'-piperidine]-1'-yl)propanoic acid

Guidance literature:: Multi-step reaction with 3 steps

1.1: triethylamine / tetrahydrofuran / 20 h / 65 °C

2.1: lithium hexamethyldisilazane / tetrahydrofuran / 1.5 h / -78 °C

2.2: 0.5 h / -78 °C

2.3: 1 h / -78 - 0 °C

3.1: trifluoroacetic acid / dichloromethane / 5 h / 20 °C

With triethylamine; trifluoroacetic acid; lithium hexamethyldisilazane; In tetrahydrofuran; dichloromethane;
DOI:10.1021/jm101487v