abstract |
A compound of formula (2) is disclosed: Wherein R 1 , M A and M B are as defined herein and in the claims. Also disclosed is a process for preparing a compound of formula (1) comprising contacting a compound of formula (2) with a halogenating agent: Wherein R < 1 > and X are as defined herein and in the claims. Also, a process for preparing a compound of formula (4), comprising the step of reacting a compound of formula (5) with a compound of formula (1), comprising the step of preparing a compound of formula It is: Wherein R 1 , R 3 and R 4 are as defined in the description and claims. Also disclosed are compounds which are methyl 3,5-dichlorobenzene ethanimidate or ethyl 3,5-dichlorobenzene ethanimidate, or a salt thereof. |