HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1700151Generated: October 30, 2026
Ethanol → (8Z)-8-[[4-(3-methyl-5-oxo-1H-pyrazol-2-yl)anilino]methylidene]-6H-pyrrolo[2,3-g][1,3]benzothiazol-7-one
https://huagongshe.com/reaction/1700151
Participants
| Role | Name | HCID | Charge |
|---|
| Reactant | Ethanol | HCID 702 | — |
| Reactant | 1-(4-Aminophenyl)-5-methyl-1,2-dihydro-3H-pyrazol-3-one | HCID 291844 | — |
| Reactant | 8-Dimethylamino-methylene-6,8-dihydro-1-thia-3,6diaza-as-indacen-7one | HCID 86585523 | — |
| Solvent | Diethyl Ether | HCID 3283 | — |
| Product | (8Z)-8-[[4-(3-methyl-5-oxo-1H-pyrazol-2-yl)anilino]methylidene]-6H-pyrrolo[2,3-g][1,3]benzothiazol-7-one | HCID 178429548 | — |
Reaction Steps
A mixture of 8-dimethylamino-methylene-6,8-dihydro-1-thia-3,6-diaza-as-indacen-7-one (Procedure E, 0.040 g, 0.163 mmol), 2-(4-aminophenyl)-3-methyl-pyrazoline-5-one (0.047 g, 0.248 mmol) in absolute ethanol (5 ml) was heated with stirring at 90° C. for 16 h. The reaction was diluted with ethanol and diethyl ether and the product collected by filtration to yield 0.052 (83%) of the title compound.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
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| Patent number | US06350747B1 |
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| Source dataset | uspto-grants-2002_02 |
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| ORD ID | ord-916f2fdc1bfc46669b3e03e578dade95 |
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| Source note | uspto-grants-2002_02 |
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