Salicylic metal complex containing quaternary ammonium cation and preparation method thereof
A technology of quaternary ammonium cations and metal complexes, which is applied in the field of fine chemicals to achieve high biological activity, convenient deployment and use, and synergistic and efficient biological activity effects
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[0039] Example 1Zn (QAS-HSal) 3 -1 preparation
[0040]
[0041] Step 1: Preparation of QAS-Sa-1
[0042]
[0043] Weigh 13 grams of N,N-dimethylbenzylamine and 20 grams of 5-chloromethyl salicylaldehyde and dissolve them in 50 grams of ethyl acetate to prepare the acetic acid of N,N-dimethylbenzylamine. The ethyl acetate solution and the ethyl acetate solution of 5-chloromethyl salicylaldehyde, add the ethyl acetate solution of 5-chloromethyl salicylaldehyde to the ethyl acetate solution of N,N-dimethylbenzylamine at room temperature After stirring and reacting for 4 hours, the temperature is increased to 60-65°C, and the stirring and reaction are continued for 6 hours. The reaction system was allowed to stand, naturally cooled to room temperature, and filtered to obtain a beige crystalline substance. After recrystallization and drying, 29.8 g of QAS-Sa-1 was obtained with a yield of 96.8% and a melting point of 162-163°C.
[0044] Step 2: Preparation of QAS-Sal-1
[0045]
[0046]...
Example Embodiment
[0049] Example 2Cr (QAS-HSal) 3 -1 preparation
[0050]
[0051] According to the method and operation steps of Example 1, the zinc chloride in step 3 of Example 1 was changed to chromium chloride to obtain purple-brown Cr (QAS-HSal) 3 -1, confirmed by elemental analysis as a hexahydrate chromium salicylate complex containing quaternary ammonium cations.
Example Embodiment
[0052] Example 3La (QAS-HSal) 2 -1 preparation
[0053]
[0054] According to the method and operation steps of Example 1, the three types of zinc chloride in the step of Example 1 were replaced with lanthanum chloride to obtain white powdered La(QAS-HSal) 3 -1, confirmed by elemental analysis that the molecular formula is C 51 H 61 Cl 3 LaN 3 O 11 , And the La(QAS-HSal) 3 -1 The structure is consistent.
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