Participants
| Role | Name | HCID | Charge |
|---|
| Reactant | Isoamyl Nitrite | HCID 8053 | — |
| Reactant | Dimethyl Disulfide | HCID 12232 | — |
| Reactant | 4-Bromo-2-nitroaniline | HCID 70132 | — |
| Product | HCID 18434372 | HCID 18434372 | 97.1% |
Reaction Steps
A solution of isoamyl nitrite (10.05 mL, 75 mmol) in dimethyl disulfide (49.5 mL, 550 mmol) at 25° C. was slowly treated with 4-bromo-2-nitroaniline (10.85 g, 50 mmol). The reaction was exothermic with gas evolution. The resulting brown reaction mixture was heated to 80-90° C. for 2 h, at which time, thin layer chromatography analysis of the reaction mixture indicated the absence of starting material. The reaction mixture was cooled to 25° C. and then concentrated in vacuo. The resulting residue was dissolved in ethyl acetate (300 mL). The organic layer was washed successively with a 1N aqueous hydrochloric acid solution (1×300 mL) and a saturated aqueous sodium chloride solution (1×300 mL), dried over anhydrous magnesium sulfate, filtered, and concentrated in vacuo Biotage chromatography (FLASH 40M, Silica, 6/1 to 5/1 hexanes/ethyl acetate) afforded 4-bromo-1-methylsulfanyl-2-nitro-benzene (12.05 g, 97%) as a brown solid: EI-HRMS m/e calcd for C7H6BrNO2S (M+) 246.9372, found 246.9368.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
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| Patent number | US06388088B1 |
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| Source dataset | uspto-grants-2002_05 |
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| ORD ID | ord-34b34ecee84d4373bd4981dec94ca385 |
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| Source note | uspto-grants-2002_05 |
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