ethyl 2-acetyl-8-(cyclohexyloxy)-1-oxo-1H-pyrido[2,1-b][1,3]benzothiazole-4-carboxylate

Base Information

Chemical Name:ethyl 2-acetyl-8-(cyclohexyloxy)-1-oxo-1H-pyrido[2,1-b][1,3]benzothiazole-4-carboxylate
CAS No.:1355361-95-3
Molecular Formula:C₂₂H₂₃NO₅S
Molecular Weight:413.494
Hs Code.:

Synonyms:ethyl 2-acetyl-8-(cyclohexyloxy)-1-oxo-1H-pyrido[2,1-b][1,3]benzothiazole-4-carboxylate

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Chemical Property of ethyl 2-acetyl-8-(cyclohexyloxy)-1-oxo-1H-pyrido[2,1-b][1,3]benzothiazole-4-carboxylate

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Technology Process of ethyl 2-acetyl-8-(cyclohexyloxy)-1-oxo-1H-pyrido[2,1-b][1,3]benzothiazole-4-carboxylate

There total 6 articles about ethyl 2-acetyl-8-(cyclohexyloxy)-1-oxo-1H-pyrido[2,1-b][1,3]benzothiazole-4-carboxylate 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: 69.0%

: 674-82-8,2130-41-8
4-methyleneoxetan-2-one

: 1355361-85-1
ethyl (2E/Z)-2-[5-(cyclohexyloxy)-1,3-benzothiazol-2-yl]-3-(dimethylamino)acrylate

: 1355361-95-3
ethyl 2-acetyl-8-(cyclohexyloxy)-1-oxo-1H-pyrido[2,1-b][1,3]benzothiazole-4-carboxylate

Guidance literature:: at 100 ℃; for 5h; Neat (no solvent);
DOI:10.1016/j.bmc.2011.11.061

Reference yield:

: 1355361-81-7
5-(cyclohexyloxy)-2-methyl-1,3-benzothiazole

: 1355361-95-3
ethyl 2-acetyl-8-(cyclohexyloxy)-1-oxo-1H-pyrido[2,1-b][1,3]benzothiazole-4-carboxylate

Guidance literature:: Multi-step reaction with 4 steps

1.1: water; sodium hydroxide / ethylene glycol / Inert atmosphere; Reflux

2.1: 15 h / 120 °C / Inert atmosphere

3.1: trichlorophosphate

3.2: 2 h / 90 °C

4.1: 5 h / 100 °C / Neat (no solvent)

With water; sodium hydroxide; trichlorophosphate; In ethylene glycol;
DOI:10.1016/j.bmc.2011.11.061

Reference yield:

: 68867-14-1
2-methyl-5-benzothiazolol

: 1355361-95-3
ethyl 2-acetyl-8-(cyclohexyloxy)-1-oxo-1H-pyrido[2,1-b][1,3]benzothiazole-4-carboxylate

Guidance literature:: Multi-step reaction with 5 steps

1.1: triethylamine; triphenylphosphine; diethylazodicarboxylate / tetrahydrofuran / 72 h / 20 °C / Sonication

2.1: water; sodium hydroxide / ethylene glycol / Inert atmosphere; Reflux

3.1: 15 h / 120 °C / Inert atmosphere

4.1: trichlorophosphate

4.2: 2 h / 90 °C

5.1: 5 h / 100 °C / Neat (no solvent)

With water; triethylamine; triphenylphosphine; sodium hydroxide; diethylazodicarboxylate; trichlorophosphate; In tetrahydrofuran; ethylene glycol;
DOI:10.1016/j.bmc.2011.11.061