Method for synthesizing an organic zinc compound
A synthesis method and compound technology, applied in the direction of zinc organic compounds, etc., to achieve the effect of simple and easy activation method
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Embodiment 1 2
[0020] The synthesis of embodiment 1 dibutylzinc
[0021] Take a 500ml three-necked bottle, add 6.8g zinc powder, vacuumize and fill with nitrogen. To this was added 8 ml of tetrahydrofuran and a catalytic amount of BrCH 2 CH 2 Br catalyst and catalytic amount of SiMe 3 Cl catalyst to obtain a tetrahydrofuran solution containing activated zinc powder. Add 11.4ml n-butyl iodide and 40ml tetrahydrofuran solvent to it again and stir, obtain containing after the reaction n BuZnI (n-butylzinc iodide) solution in tetrahydrofuran.
[0022] Take another 250ml three-necked flask, add 2.64g of magnesium powder and a catalytic amount of iodine simple substance catalyst, vacuumize it, fill it with nitrogen, and add 20ml of tetrahydrofuran solvent therein. Add 11.9ml n-butyl bromide and 25ml tetrahydrofuran solvent to it again and stir, after reaction, obtain containing n BuMgBr (n-butylmagnesium bromide) solution in tetrahydrofuran.
[0023] To the above obtained containing n BuMg...
Embodiment 2 2
[0024] The synthesis of embodiment 2 diisobutyl zinc
[0025] Take a 500ml three-necked bottle, add 6.8g zinc powder, vacuumize and fill with nitrogen. To this was added 8 ml of tetrahydrofuran and a catalytic amount of BrCH 2 CH 2 Br catalyst and catalytic amount of SiMe 3 Cl catalyst to obtain a tetrahydrofuran solution containing activated zinc powder. Add 11.5ml isobutyl iodide and 40ml tetrahydrofuran solvent to it again and stir, obtain containing after the reaction i BuZnI (isobutylzinc iodide) solution in tetrahydrofuran.
[0026] Take another 250ml there-necked flask, add 2.64g of magnesium powder and a catalytic amount of iodine simple substance catalyst, vacuumize it, fill it with nitrogen, and then add 20ml of ether solvent therein. Add 10.9ml isobutyl bromide and 25ml ether solvent to it again and stir, after the reaction, obtain i BuMgBr (isobutylmagnesium bromide) in THF.
[0027] To the above obtained containing i BuMgBr solution in tetrahydrofuran was ...
Embodiment 3 2
[0028] The synthesis of embodiment 3 diisopropylzinc
[0029] Take a 500ml three-necked bottle, add 6.8g zinc powder, vacuumize and fill with nitrogen. To this was added 8 ml of tetrahydrofuran and a catalytic amount of BrCH 2 CH 2 Br catalyst and catalytic amount of SiMe 3 Cl catalyst to obtain a tetrahydrofuran solution containing activated zinc powder. Add 10ml isopropyl iodide and 40ml tetrahydrofuran solvent to it again and stir, obtain containing after the reaction i PrZnI (isopropylzinc iodide) in tetrahydrofuran.
[0030] Take another 250ml there-necked flask, add 2.64g of magnesium powder and a catalytic amount of iodine simple substance catalyst, vacuumize it, fill it with nitrogen, and then add 20ml of ether solvent therein. Add 9.4ml isopropyl bromide and 25ml ether solvent to it again and stir, after the reaction, obtain containing i PrMgBr (isopropylmagnesium bromide) in tetrahydrofuran.
[0031] To the above obtained containing i The tetrahydrofuran solu...
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