N-bromobutanimide → 2-Bromo-4-methyl-4,5,7,8-tetrahydro-thieno[2,3-d]azepine-6-carboxylic acid ethyl ester
Reaktionsgleichung
[CH2:1]([O:3][C:4]([N:6]1[CH2:12][CH:11]([CH3:13])[C:10]2[CH:14]=[CH:15][S:16][C:9]=2[CH2:8][CH2:7]1)=[O:5])[CH3:2].[Br:17]N1C(=O)CCC1=O>C(Cl)(Cl)Cl.CC(O)=O>[CH2:1]([O:3][C:4]([N:6]1[CH2:12][CH:11]([CH3:13])[C:10]2[CH:14]=[C:15]([Br:17])[S:16][C:9]=2[CH2:8][CH2:7]1)=[O:5])[CH3:2]Komponenten
4
Edukt 2
Produkt 1
Reagenzien, Katalysatoren, Lösungsmittel 1
Versuchsvorschrift
The product of step d) (80 mg, 0.35 mmol) was dissolved in 2 mL of 1:1 CHCl3 /HOAc. N-Bromo-succinimide (62 mg, 0.35 mmol) was added and the reaction was stirred for 15 minutes. Concentration and purification by silica gel chromatography gave the subtitle compound as a yellow oil.