3-(4-BROMO-PHENYL)-5-METHYL-4-PHENYL-ISOXAZOLE synthesis
- Product Name:3-(4-BROMO-PHENYL)-5-METHYL-4-PHENYL-ISOXAZOLE
- CAS Number:181697-19-8
- Molecular formula:C16H12BrNO
- Molecular Weight:314.18
Yield:181697-19-8 60%
Reaction Conditions:
Stage #1: 1-(4-bromophenyl)-2-phenyl-ethan-1-one oximewith lithium diisopropyl amide in tetrahydrofuran;n-heptane;ethylbenzene at -78 - -50;
Stage #2: N-Acetylimidazole in tetrahydrofuran;n-heptane;ethylbenzene at -30 - 0;
Stage #3: with toluene-4-sulfonic acid in methanol; for 16 h;Heating / reflux;
References:
EP1223167,2002,A2 Location in patent:Page 54
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