Ethyl xanthate → 2-Sulfanylidene-2,3-dihydro-1,3-benzothiazole-6-carbonitrile
Reaktionsgleichung
[NH2:1][C:2]1[CH:9]=[CH:8][C:5]([C:6]#[N:7])=[CH:4][C:3]=1Cl.C(O[C:14]([SH:16])=[S:15])C.[K]>CN(C=O)C>[SH:16][C:14]1[S:15][C:3]2[CH:4]=[C:5]([C:6]#[N:7])[CH:8]=[CH:9][C:2]=2[N:1]=1Komponenten
5
Edukt 3
Produkt 1
Reagenzien, Katalysatoren, Lösungsmittel 1
Versuchsvorschrift
The title compound was prepared using the method of example 239, starting with 4-amino-3-chloro-benzonitrile (Lancaster, 5.0 g, 32.7 mmol), O-ethylxanthic acid, potassium salt (Lancaster, 11.8 g, 73.7 mmol) in DMF (40 mL). The mercaptobenzothiazole (241) (6.1 g, 97%) was obtained as a pale brown solid.
Aufarbeitung
- customThe title compound was prepared
Quellen und Nachweise
- ORD-Eintrag
- ord-2c4a9fa9055448e8b256d3e42cf797b5
- Quelldatensatz
- uspto-grants-2004_08
- Patentnummer
- US06770648B2
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