Reference of 89089-18-9, Chemistry is the experimental science by definition. We want to make observations to prove hypothesis. For this purpose, we perform experiments in the lab. 89089-18-9, Name is 3-Bromo-6-chloropyridazine,introducing its new discovery.
The invention discloses a cyclopropyl methyl ester solvent-free synthesis method. The synthetic method of this invention, in order to 4 the halo butyrate […] as raw materials, in ion liquid under the action of and inorganic strong alkali, to obtain the target product cyclopropyl methyl ester. The synthetic method of this invention, does not require the use of solvent, ionic liquids and only need to add inorganic alkali, obtained by stirring the after-reaction. Without the use of a solvent the whole reaction process, avoiding the use of the solvent the risk of pollution to the environment, it is a kind of green environment-friendly new production process. Products and ionic liquid through the filter and the reaction to produce the inorganic salt and un-reacted alkali separation, obtained product by rectification. The presence of a liquid after rectification, can be repeatedly applied to the next batch of reaction, reduce three wastes, discharge at the same time, the cost can be saved, the purpose of manufacturing is reached. (by machine translation)
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Reference:
Pyridazine – Wikipedia,
Pyridazine | C4H4N2857 – PubChem