2-(2-fluorophenylmethyl)-3-(2-chlorospiro[4,5-dihydrothieno[2,3-c]pyran-7,4'-piperidine]-1'-yl)-N,N-dimethylpropanamide

Base Information

Chemical Name:2-(2-fluorophenylmethyl)-3-(2-chlorospiro[4,5-dihydrothieno[2,3-c]pyran-7,4'-piperidine]-1'-yl)-N,N-dimethylpropanamide
CAS No.:1378389-75-3
Molecular Formula:C₂₃H₂₈ClFN₂O₂S
Molecular Weight:451.005
Hs Code.:

Synonyms:2-(2-fluorophenylmethyl)-3-(2-chlorospiro[4,5-dihydrothieno[2,3-c]pyran-7,4'-piperidine]-1'-yl)-N,N-dimethylpropanamide

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Chemical Property of 2-(2-fluorophenylmethyl)-3-(2-chlorospiro[4,5-dihydrothieno[2,3-c]pyran-7,4'-piperidine]-1'-yl)-N,N-dimethylpropanamide

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Technology Process of 2-(2-fluorophenylmethyl)-3-(2-chlorospiro[4,5-dihydrothieno[2,3-c]pyran-7,4'-piperidine]-1'-yl)-N,N-dimethylpropanamide

There total 5 articles about 2-(2-fluorophenylmethyl)-3-(2-chlorospiro[4,5-dihydrothieno[2,3-c]pyran-7,4'-piperidine]-1'-yl)-N,N-dimethylpropanamide 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: 47.0%

: C₂HF₃O₂*C₂₁H₂₃ClFNO₃S

: 506-59-2
N,N-dimethylammonium chloride

: 1378389-75-3
2-(2-fluorophenylmethyl)-3-(2-chlorospiro[4,5-dihydrothieno[2,3-c]pyran-7,4'-piperidine]-1'-yl)-N,N-dimethylpropanamide

Guidance literature:: With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; N-ethyl-N,N-diisopropylamine; In dichloromethane; at 20 ℃; for 18h;
DOI:10.1021/jm201629q

Reference yield:

: 1307381-31-2
2'-chloro-4',5'-dihydrospiro[piperidine-4,7'-thieno[2,3-c]pyran]

: 1378389-75-3
2-(2-fluorophenylmethyl)-3-(2-chlorospiro[4,5-dihydrothieno[2,3-c]pyran-7,4'-piperidine]-1'-yl)-N,N-dimethylpropanamide

Guidance literature:: Multi-step reaction with 4 steps

1.1: triethylamine / methanol / Reflux

2.1: lithium hexamethyldisilazane / tetrahydrofuran / 1 h / -78 °C

2.2: 0.5 h / -78 °C

2.3: 1 h / -78 - 0 °C

3.1: dichloromethane / 18 h / 20 °C

4.1: benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; N-ethyl-N,N-diisopropylamine / dichloromethane / 18 h / 20 °C

With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; triethylamine; N-ethyl-N,N-diisopropylamine; lithium hexamethyldisilazane; In tetrahydrofuran; methanol; dichloromethane;
DOI:10.1021/jm201629q

Reference yield:

: 1378390-22-7
tert-butyl 3-(2'-chloro-4',5'-dihydro-1H-spiro[piperidine-4,7'-thieno[2,3-c]pyran]-1-yl)propanoate

: 1378389-75-3
2-(2-fluorophenylmethyl)-3-(2-chlorospiro[4,5-dihydrothieno[2,3-c]pyran-7,4'-piperidine]-1'-yl)-N,N-dimethylpropanamide

Guidance literature:: Multi-step reaction with 3 steps

1.1: lithium hexamethyldisilazane / tetrahydrofuran / 1 h / -78 °C

1.2: 0.5 h / -78 °C

1.3: 1 h / -78 - 0 °C

2.1: dichloromethane / 18 h / 20 °C

3.1: benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; N-ethyl-N,N-diisopropylamine / dichloromethane / 18 h / 20 °C

With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; N-ethyl-N,N-diisopropylamine; lithium hexamethyldisilazane; In tetrahydrofuran; dichloromethane;
DOI:10.1021/jm201629q