| 摘要 |
A compound of Formula 2 is disclosed wherein R1, MA and MB are as defined in the disclosure. Also disclosed is a method for preparing a compound of Formula 1 wherein R1 and X are as defined in the disclosure comprising contacting a compound of Formula 2 with a halogenating agent. Also disclosed is a method for preparing a compound of Formula 4 wherein R1, R3 and R4 are as defined in the disclosure, comprising reacting a compound of Formula 5 wherein R3 and R4 are as defined in the disclosure with a compound of Formula 1, with a compound of Formula 1, the process of preparing the compound of Formula 4 includes the step of preparing the compound of Formula 1 from the compound of Formula 2 by the method disclosed above. Also disclosed is compound that is methyl 3,5-dichlorobenzeneethanimidate methyl 3,5-dichlorobenzeneethanimidate or ethyl 3,5-dichlorobenzeneethanimidate or salts thereof. |
