Participants
| Role | Name | HCID | Charge |
|---|
| Reactant | Ethanol | HCID 702 | — |
| Reactant | Potassium Carbonate | HCID 11430 | — |
| Reactant | Sodium Dithionite | HCID 24489 | — |
| Reactant | HCID 20389818 | HCID 20389818 | — |
| Solvent | Water | HCID 962 | — |
| Product | HCID 608034 | HCID 608034 | — |
Reaction Steps
A reaction mixture was prepared containing 68.7 g. of 3-methylthio-4-nitroveratrole, 261 g. sodium dithionite (Na2S2O4), 1500 ml. of ethanol and 2250 ml. of water. The reaction mixture was heated at reflux temperature for about 1 hour and then cooled. The reaction mixture was then made basic with potassium carbonate and the resulting alkaline solution concentrated in vacuo to one-half its original volume. The aqueous solution was extracted twice with 2 l. portions of ether. The ether extracts were combined, dried, and the ether removed therefrom by evaporation in vacuo. The solid residue, comprising 2-methylthio-4,5-dimethoxy aniline formed in the above reaction, was recrystallized from a benzene-hexane solvent mixture to yield 33.6 g. of crystalline material melting at 69°-72° C.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
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| Patent number | US04171361 |
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| Source dataset | uspto-grants-1979_10 |
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| ORD ID | ord-7e1b81fbac03489eaba50e6bed984de6 |
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| Source note | uspto-grants-1979_10 |
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