[Cl:1][C:2]1[CH:15]=[CH:14][CH:13]=[C:12]([CH3:16])[C:3]=1[O:4][CH:5]1[CH2:8][N:7]([C:9](Cl)=[O:10])[CH2:6]1.[OH-].[NH4+:18]>O1CCCC1.O>[Cl:1][C:2]1[CH:15]=[CH:14][CH:13]=[C:12]([CH3:16])[C:3]=1[O:4][CH:5]1[CH2:8][N:7]([C:9]([NH2:18])=[O:10])[CH2:6]1A stirred solution of 3.9 g (0.015 mole) of 3-(2-chloro-6-methylphenoxy)-1-azetidinecarbonyl chloride in 20 mL of tetrahydrofuran was treated all at once with 2.8 mL (0.045 mole) of 57% ammonium hydroxide. After stirring for 72 h the reaction mixture was diluted with 200 mL of water and the precipitated product collected by filtration (3.6 g of pale yellow product). Recrystallization from benzene yielded 2.8 g (69.2%) of fine white crystals, mp 256°-157° C.
Wird geladen…
