4-[(4aR,9bR)-8-Fluoro-5-(4-fluoro-phenyl)-1,3,4,4a,5,9b-hexahydro-pyrido[4,3-b]indol-2-yl]-butyric acid ethyl ester

Base Information

• Chemical Name: 4-[(4aR,9bR)-8-Fluoro-5-(4-fluoro-phenyl)-1,3,4,4a,5,9b-hexahydro-pyrido[4,3-b]indol-2-yl]-butyric acid ethyl ester
• CAS No.: 98634-64-1
• Molecular Formula: C₂₃H₂₆F₂N₂O₂
• Molecular Weight: 400.468

Synonyms:4-[(4aR,9bR)-8-Fluoro-5-(4-fluoro-phenyl)-1,3,4,4a,5,9b-hexahydro-pyrido[4,3-b]indol-2-yl]-butyric acid ethyl ester

Chemical Property of 4-[(4aR,9bR)-8-Fluoro-5-(4-fluoro-phenyl)-1,3,4,4a,5,9b-hexahydro-pyrido[4,3-b]indol-2-yl]-butyric acid ethyl ester

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Technology Process of 4-[(4aR,9bR)-8-Fluoro-5-(4-fluoro-phenyl)-1,3,4,4a,5,9b-hexahydro-pyrido[4,3-b]indol-2-yl]-butyric acid ethyl ester

There total 2 articles about 4-[(4aR,9bR)-8-Fluoro-5-(4-fluoro-phenyl)-1,3,4,4a,5,9b-hexahydro-pyrido[4,3-b]indol-2-yl]-butyric 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: 75.0%

4-chloro-butyric acid ethyl ester (3153-36-4) + (+/-)-4a,9b-trans-8-fluoro-5-(4-fluorophenyl)-2,3,4,4a,5,9a-hexahydro-1H-pyrido<4,3-b>indole (69623-07-0) → 4-[(4aR,9bR)-8-Fluoro-5-(4-fluoro-phenyl)-1,3,4,4a,5,9b-hexahydro-pyrido[4,3-b]indol-2-yl]-butyric acid ethyl ester (98634-64-1)

Guidance literature:

With sodium carbonate; potassium iodide; In various solvent(s); 1.) from 80 deg C to 90 deg C, 18 h, 2.) from 120 deg C to 130 deg C, 72 h;

DOI:10.1021/jm00151a002

Reference yield: 72.0%

Ethyl 4-bromobutyrate (2969-81-5) + (+/-)-4a,9b-trans-8-fluoro-5-(4-fluorophenyl)-2,3,4,4a,5,9a-hexahydro-1H-pyrido<4,3-b>indole (69623-07-0) → 4-[(4aR,9bR)-8-Fluoro-5-(4-fluoro-phenyl)-1,3,4,4a,5,9b-hexahydro-pyrido[4,3-b]indol-2-yl]-butyric acid ethyl ester (98634-64-1)

Guidance literature:

With sodium carbonate; potassium iodide; In various solvent(s); Heating;

DOI:10.1021/jm00160a050

Reference yield: 58.0%

4-[(4aR,9bR)-8-Fluoro-5-(4-fluoro-phenyl)-1,3,4,4a,5,9b-hexahydro-pyrido[4,3-b]indol-2-yl]-butyric acid ethyl ester (98634-64-1) → 4-[(4aR,9bR)-8-Fluoro-5-(4-fluoro-phenyl)-1,3,4,4a,5,9b-hexahydro-pyrido[4,3-b]indol-2-yl]-butyric acid

Guidance literature:

With potassium hydroxide; In ethanol; water; for 18h; Heating;

DOI:10.1021/jm00151a002

upstream raw materials:

4-chloro-butyric acid ethyl ester

(+/-)-4a,9b-trans-8-fluoro-5-(4-fluorophenyl)-2,3,4,4a,5,9a-hexahydro-1H-pyrido<4,3-b>indole

Ethyl 4-bromobutyrate

Downstream raw materials:

trans-(+/-)-8-fluoro-5-(4-fluorophenyl)-2-(4-hydroxybutyl)-2,3,4,4a,5,9b-hexahydro-1H-pyrido<4,3b>indole

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