HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 555818Generated: October 31, 2026
O-Phenylenediamine → HCID 46208939, compound
https://huagongshe.com/reaction/555818
Participants
| Role | Name | HCID | Charge |
|---|
| Reactant | O-Phenylenediamine | HCID 7243 | — |
| Reactant | Tetrahydrofuran | HCID 8028 | — |
| Reactant | Dicyclohexylcarbodiimide | HCID 10868 | — |
| Reactant | HCID 59351155 | HCID 59351155 | — |
| Solvent | Dichloromethane | HCID 6344 | — |
| Product | HCID 46208939 | HCID 46208939 | — |
Reaction Steps
The mixture of 2-chloro-3-(4-isothiocyanatophenoxy)pyrazine (190 mg, 721 mmol), benzene-1,2-diamine (93.5 mg, 865 μmol) and N,N′-dicyclohexylcarbodiimide (223 mg, 1081 μmol) in THF (1.5 ml) was heated at 75° C. for 1.5 hrs. The mixture was cooled to room temperature, diluted with DCM and absorbed onto silica for purification using a 20-100% EtOAc/hexanes gradient to give the desired product.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
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| Patent number | US08053438B2 |
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| Source dataset | uspto-grants-2011_11 |
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| ORD ID | ord-8bbd101189f044efbf5c344e5df0b1cc |
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| Source note | uspto-grants-2011_11 |
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