用途
用于医药中间体,具体为氯苯唑青霉素钠的中间体。
生产方法
通过在碱性条件下使邻氯苯甲醛与盐酸羟胺肟化生成邻氯苯甲肟,再用氯气进行氯化得到邻氯苯甲肟氯。随后,与乙酰乙酸乙酯发生环合并水解酯基,最终通过五氯化磷氯化制备得到目标产物。
中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
5-甲基-3-(2-氯苯基)-4-异恶唑甲酸 | 3-(2-chlorophenyl)-5-methyl-4-isoxazolecarboxylic acid | 23598-72-3 | C11H8ClNO3 | 237.642 |
3-(2-氯苯基)-5-甲基-4-异噁唑羧酸甲酯 | methyl 3-(2'-chlorophenyl)-5-methylisoxazole-4-carboxylate | 4357-94-2 | C12H10ClNO3 | 251.669 |
3-(2-氯苯基)-5-甲基异恶唑-4-羧酸乙酯 | ethyl 3-(2-chlorophenyl)-5-methylisoxazole-4-carboxylate | 83817-50-9 | C13H12ClNO3 | 265.696 |
中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
—— | 3-(2-chlorophenyl)-5-methylisoxazole-4-carboxamide | 53013-51-7 | C11H9ClN2O2 | 236.658 |
3-(2-氯苯基)-5-甲基-4-异噁唑羧酸甲酯 | methyl 3-(2'-chlorophenyl)-5-methylisoxazole-4-carboxylate | 4357-94-2 | C12H10ClNO3 | 251.669 |
—— | 3-(2-Chlorophenyl)-N,N,5-trimethylisoxazole-4-carboxamide | 349130-97-8 | C13H13ClN2O2 | 264.711 |
—— | (3-(2-chlorophenyl)-5-methylisoxazole-4-carbonyl)glycine | 303009-97-4 | C13H11ClN2O4 | 294.694 |
—— | [[3-(2-Chlorophenyl)-5-methyl-1,2-oxazole-4-carbonyl]amino]thiourea | —— | C12H11ClN4O2S | 310.764 |
—— | 3-(2-chlorophenyl)-5-methyl-N-phenethylisoxazole-4-carboxamide | —— | C19H17ClN2O2 | 340.809 |
—— | N-benzyl-3-(2-chlorophenyl)-5-methylisoxazole-4-carboxamide | —— | C18H15ClN2O2 | 326.782 |
—— | Methyl 2-({[3-(2-chlorophenyl)-5-methyl-4-isoxazolyl]carbonyl}amino)acetate | —— | C14H13ClN2O4 | 308.721 |
—— | 3-(2-chlorophenyl)-N-[(4-fluorophenyl)methyl]-5-methyl-1,2-oxazole-4-carboxamide | 401595-61-7 | C18H14ClFN2O2 | 344.773 |
—— | (3-(2-chlorophenyl)-5-methylisoxazol-4-yl)(piperazin-1-yl)methanone | 1137443-33-4 | C15H16ClN3O2 | 305.764 |