Water → 3-Acetyl-5-(1,3-benzoxazol-2-yl)-1,3,4-oxadiazol-2(3H)-one
반응식
[O:1]=[C:2]1[NH:6][N:5]=[C:4]([C:7]2[O:8][C:9]3[CH:15]=[CH:14][CH:13]=[CH:12][C:10]=3[N:11]=2)[O:3]1.[C:16](OC(=O)C)(=[O:18])[CH3:17].O>C(O)(=O)C>[O:1]=[C:2]1[N:6]([C:16](=[O:18])[CH3:17])[N:5]=[C:4]([C:7]2[O:8][C:9]3[CH:15]=[CH:14][CH:13]=[CH:12][C:10]=3[N:11]=2)[O:3]1참가 물질
5
실험 절차
5.0 g of 2-(2-oxo-3H-1,3,4-oxadiazole-5-yl)benzoxazole in 50 ml of acetic acid containing 5 ml of acetic anhydride was heated for 1 hour at 100°. The mixture was poured into water and the crystalline product filtered. Recrystallization from acetonitrile gave mp. of 231°-232°.
후처리
- filtrationthe crystalline product filtered
- customRecrystallization from acetonitrile
- customgave mp. of 231°-232°
출처 및 근거
- ORD 기록
- ord-9e930962992a4f61b6499fb8d0ee0fd9
- 출처 데이터셋
- uspto-grants-1981_05
- 특허 번호
- US04269846
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