Synthetic method of nemadectin (by machine translation)
In the process of preparing the intermediate 1, the yield of the intermediate 2 is greatly improved, and when the intermediate 2 and paraformaldehyde are reacted to prepare the nicotinoyl chloride hydrochloride, the hydrochloride is reacted with the intermediate 2 to form the intermediate 2. (by machine translation)
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(2020/09/21)
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