8-methoxy-1-oxo-2-phenyl-1H-pyrido[2,1-b][1,3]benzothiazole-4-carboxylic acid 5,5-dioxide

Base Information

Chemical Name:8-methoxy-1-oxo-2-phenyl-1H-pyrido[2,1-b][1,3]benzothiazole-4-carboxylic acid 5,5-dioxide
CAS No.:1355361-79-3
Molecular Formula:C₁₉H₁₃NO₆S
Molecular Weight:383.381
Hs Code.:

Synonyms:8-methoxy-1-oxo-2-phenyl-1H-pyrido[2,1-b][1,3]benzothiazole-4-carboxylic acid 5,5-dioxide

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Chemical Property of 8-methoxy-1-oxo-2-phenyl-1H-pyrido[2,1-b][1,3]benzothiazole-4-carboxylic acid 5,5-dioxide

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Technology Process of 8-methoxy-1-oxo-2-phenyl-1H-pyrido[2,1-b][1,3]benzothiazole-4-carboxylic acid 5,5-dioxide

There total 6 articles about 8-methoxy-1-oxo-2-phenyl-1H-pyrido[2,1-b][1,3]benzothiazole-4-carboxylic acid 5,5-dioxide 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%

: 1355361-74-8
8-methoxy-1-oxo-2-phenyl-1H-pyrido[2,1-b][1,3]benzothiazole-4-carboxylic acid

: 1355361-79-3
8-methoxy-1-oxo-2-phenyl-1H-pyrido[2,1-b][1,3]benzothiazole-4-carboxylic acid 5,5-dioxide

Guidance literature:: 8-methoxy-1-oxo-2-phenyl-1H-pyrido[2,1-b][1,3]benzothiazole-4-carboxylic acid; With 3-chloro-benzenecarboperoxoic acid; In dichloromethane; acetone; at 20 ℃; for 24h;

With sodium hydrogencarbonate; In dichloromethane; acetone; Saturated solution;

With hydrogenchloride; In water;
DOI:10.1016/j.bmc.2011.11.061

Reference yield:

: 2941-69-7
5-methoxy-2-methylbenzo[d]thiazole

: 1355361-79-3
8-methoxy-1-oxo-2-phenyl-1H-pyrido[2,1-b][1,3]benzothiazole-4-carboxylic acid 5,5-dioxide

Guidance literature:: Multi-step reaction with 6 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)

5.1: sodium hydroxide / methanol; water / 2 h / 75 °C

5.2: pH Ca_. 3 / Cooling with ice

6.1: 3-chloro-benzenecarboperoxoic acid / dichloromethane; acetone / 24 h / 20 °C

6.2: Saturated solution

With water; 3-chloro-benzenecarboperoxoic acid; sodium hydroxide; trichlorophosphate; In methanol; dichloromethane; water; ethylene glycol; acetone;
DOI:10.1016/j.bmc.2011.11.061

Reference yield:

: 1355361-93-1
ethyl 8-methoxy-1-oxo-2-phenyl-1H-pyrido[2,1-b][1,3]benzothiazole-4-carboxylate

: 1355361-79-3
8-methoxy-1-oxo-2-phenyl-1H-pyrido[2,1-b][1,3]benzothiazole-4-carboxylic acid 5,5-dioxide

Guidance literature:: Multi-step reaction with 2 steps

1.1: sodium hydroxide / methanol; water / 2 h / 75 °C

1.2: pH Ca_. 3 / Cooling with ice

2.1: 3-chloro-benzenecarboperoxoic acid / dichloromethane; acetone / 24 h / 20 °C

2.2: Saturated solution

With 3-chloro-benzenecarboperoxoic acid; sodium hydroxide; In methanol; dichloromethane; water; acetone;
DOI:10.1016/j.bmc.2011.11.061