Triethylamine → Methanesulfonic acid 2-(5-bromo-benzothiazol-2-yl)-ethyl ester
Reaktionsgleichung
[Br:1][C:2]1[CH:3]=[CH:4][C:5]2[S:9][C:8]([CH2:10][CH2:11][OH:12])=[N:7][C:6]=2[CH:13]=1.CCN(CC)CC.[CH3:21][S:22](Cl)(=[O:24])=[O:23]>C(Cl)Cl>[Br:1][C:2]1[CH:3]=[CH:4][C:5]2[S:9][C:8]([CH2:10][CH2:11][O:12][S:22]([CH3:21])(=[O:24])=[O:23])=[N:7][C:6]=2[CH:13]=1Komponenten
5
Edukt 3
Produkt 1
Reagenzien, Katalysatoren, Lösungsmittel 1
Versuchsvorschrift
To a mixture of 2-(5-bromo-benzothiazol-2-yl)-ethanol (0.94 g, 3.6 mmol) in 10 mL CH2Cl2, Et3N (0.99 g, 9.8 mmol), was added methanesulfonyl chloride (0.46 g, 4.0 mmol) dropwise at room temperature. The reaction was worked up by concentrating under vacuum and then used in the next step, Example 1C.
Aufarbeitung
- concentrationby concentrating under vacuum
Quellen und Nachweise
- ORD-Eintrag
- ord-ab2cc805775c4093bee9592abaf35306
- Quelldatensatz
- uspto-grants-2006_08
- Patentnummer
- US07094790B2
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