[CH2:1]([N:4]=[C:5]=[O:6])[CH:2]=[CH2:3].[N:7](=[C:9]1[CH:13]([CH3:14])[O:12][CH2:11][S:10]1)[OH:8]>CCOCC.C(N(CC)CC)C>[CH2:1]([NH:4][C:5]([O:8][N:7]=[C:9]1[CH:13]([CH3:14])[O:12][CH2:11][S:10]1)=[O:6])[CH:2]=[CH2:3]A quantity of 3 ml of allyl isocyanate was caused to react with 3 grams of 4-oximino-5-methyl-1,3-oxathiolane dissolved in 50 ml of ether containing 2 drops of triethylamine over a period of 20 hours at room temperature. Conventional workup and recrystallization from isopropyl ether afforded 3 grams of product, mp 66.0°-67.5°, structure confirmed by spectral analysis.
Wird geladen…