4-CHLORO-ALPHA-[METHYL(TRIFLUOROACETYL)AMINO]-BENZENEACETIC ACID
4-CHLORO-ALPHA-[METHYL(TRIFLUOROACETYL)AMINO]-BENZENEACETIC ACID
CAS: 143209-98-7
Molecular Formula: C11H9ClF3NO3
4-CHLORO-ALPHA-[METHYL(TRIFLUOROACETYL)AMINO]-BENZENEACETIC ACID - Names and Identifiers
4-CHLORO-ALPHA-[METHYL(TRIFLUOROACETYL)AMINO]-BENZENEACETIC ACID - Physico-chemical Properties
| Molecular Formula | C11H9ClF3NO3 |
| Molar Mass | 295.6422696 |
| Physical and Chemical Properties | This product is a solid, m.p.117 ~ 118 ℃, insoluble in water. |
4-CHLORO-ALPHA-[METHYL(TRIFLUOROACETYL)AMINO]-BENZENEACETIC ACID - Reference Information
| use | this product is an intermediate of insecticide chlorfenapyril. |
| Production method | The preparation method is obtained by the reaction of 2-p-chlorophenylsarcosine and trifluoroacetic anhydride. 28.4g(0.135mol)2-p-chlorophenylsarcosine was dissolved in dry toluene, 20mL trifluoroacetic anhydride was quickly added, and the reaction was stirred at room temperature for 1.0h. Vacuum concentration, residual stripping with toluene for 3 times, removal of unreacted trifluoroacetic anhydride, 40.3g 2-p-chlorophenyl-N-trifluoroacetylsarcosine, the yield is 97%. |
Last Update：2024-04-09 21:11:58
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