4,5-dihydro-4-methyl-5-oxo-3-phenyl[1,2]dithiolo[4,3-b]pyrrole-6-carboxylic acid

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Chemical Name:4,5-dihydro-4-methyl-5-oxo-3-phenyl[1,2]dithiolo[4,3-b]pyrrole-6-carboxylic acid
CAS No.:528881-07-4
Molecular Formula:C₁₃H₉NO₃S₂
Molecular Weight:291.351
Hs Code.:

Synonyms:4,5-dihydro-4-methyl-5-oxo-3-phenyl[1,2]dithiolo[4,3-b]pyrrole-6-carboxylic acid

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Chemical Property of 4,5-dihydro-4-methyl-5-oxo-3-phenyl[1,2]dithiolo[4,3-b]pyrrole-6-carboxylic acid

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Technology Process of 4,5-dihydro-4-methyl-5-oxo-3-phenyl[1,2]dithiolo[4,3-b]pyrrole-6-carboxylic acid

There total 3 articles about 4,5-dihydro-4-methyl-5-oxo-3-phenyl[1,2]dithiolo[4,3-b]pyrrole-6-carboxylic 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: 60.0%

: 528881-01-8
4,5-dihydro-5-oxo-3-phenyl[1,2]dithiolo[4,3-b]pyrrole-6-carboxylic acid

: 74-88-4
methyl iodide

: 528881-07-4
4,5-dihydro-4-methyl-5-oxo-3-phenyl[1,2]dithiolo[4,3-b]pyrrole-6-carboxylic acid

Guidance literature:: 4,5-dihydro-5-oxo-3-phenyl[1,2]dithiolo[4,3-b]pyrrole-6-carboxylic acid; With potassium hydroxide; In N,N-dimethyl-formamide; at 20 ℃; for 1h;

methyl iodide; In N,N-dimethyl-formamide; at 20 ℃; for 2h;
DOI:10.1002/hlca.200290022

Reference yield:

: 97066-53-0
methyl 5-[bromo(phenyl)methylidene]-2,5-dihydro-4-methoxy-2-oxo-1H-1H-pyrrole-3-carboxylate

: 528881-07-4
4,5-dihydro-4-methyl-5-oxo-3-phenyl[1,2]dithiolo[4,3-b]pyrrole-6-carboxylic acid

Guidance literature:: Multi-step reaction with 3 steps

1.1: 38 percent / Na₂S*9H₂O / methanol / 1 h / Heating

2.1: 64 percent / KOH / methanol / 3 h / Heating

3.1: KOH / dimethylformamide / 1 h / 20 °C

3.2: 60 percent / dimethylformamide / 2 h / 20 °C

With sodium sulfide; potassium hydroxide; In methanol; N,N-dimethyl-formamide;
DOI:10.1002/hlca.200290022

Reference yield:

: 528881-00-7
methyl 4,5,-dihydro-5-oxo-3-phenyl[1.2]dithiolo[4,3-b]pyrrole-6-carboxylate

: 528881-07-4
4,5-dihydro-4-methyl-5-oxo-3-phenyl[1,2]dithiolo[4,3-b]pyrrole-6-carboxylic acid

Guidance literature:: Multi-step reaction with 2 steps

1.1: 64 percent / KOH / methanol / 3 h / Heating

2.1: KOH / dimethylformamide / 1 h / 20 °C

2.2: 60 percent / dimethylformamide / 2 h / 20 °C

With potassium hydroxide; In methanol; N,N-dimethyl-formamide;
DOI:10.1002/hlca.200290022