Application of 2,2'-(4-nitrobenzophenone) dipyrrylmethane transition metal coordination complex
A dipyrromethane and nitrophenyl technology, which is applied in the direction of organic compound/hydride/coordination complex catalyst, chemical/physical process, physical/chemical process catalyst, etc., can solve the problem of poor selectivity, low reaction conversion rate, Catalysts are difficult to recycle and reuse
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Embodiment 1
[0059] Example 1: Preparation of 2,2'-(4-nitrophenyl)dipyrromethene copper complex:
[0060] In a 50 mL single-port reactor equipped with a magnetic stirrer, capable of constant temperature heating and capable of condensing and refluxing, add 20 mL of methanol solution as the reaction medium;
[0061] Then 2.0 mmol of 2,2'-(4-nitrophenyl) dipyrromethane and 1.0 mmol of Cu(CH 3 COO) 2 · h 2 O was placed in a single-port reactor equipped with a reaction medium, stirred magnetically, condensed and refluxed, heated to 110 °C, kept at a constant temperature, and the reaction time was 6 h, filtered with suction, and the filter cake was washed with chloroform or hot deionized water until the filtrate was free of color; vacuum-dried at 40 ℃ for 1 h to obtain 2,2'-(4-nitrophenyl)dipyrromethene copper complex. The yield was 87%.
Embodiment 2
[0062] Example 2: Preparation of 2,2'-(4-nitrophenyl)dipyrromethane iron complex:
[0063] Add 40 mL of methanol solution as the reaction medium into a 100 mL single-port reactor equipped with a magnetic stirrer, capable of constant temperature heating and capable of condensing and refluxing;
[0064] Then 2.0 mmol of 2,2'-(4-nitrophenyl) dipyrromethane and 5.0 mmol of FeCl 2 · 4H 2 O was placed in a single-port reactor equipped with a reaction medium, stirred magnetically, condensed and refluxed, heated to 90 °C, kept at a constant temperature, and the reaction time was 5 h, filtered with suction, and the filter cake was washed with chloroform or hot deionized water until the filtrate was free of color; vacuum-dried at 40 °C for 1 h to obtain 2,2'-(4-nitrophenyl)dipyrromethene iron complex. The yield was 62%.
Embodiment 3
[0065] Example 3: Preparation of 2,2'-(4-nitrophenyl)dipyrromethene cobalt complex:
[0066] Add reaction medium 100 mL methanol solution in a 250 mL single-port reactor with a magnetic stirrer, capable of constant temperature heating and condensing and reflux;
[0067] Then 10.0 mmol of 2,2'-(4-nitrophenyl) dipyrromethane and 1.0 mmol of Co(CH 3 COO) 2 · 4H 2 O was placed in a single-port reactor equipped with a reaction medium, stirred magnetically, condensed and refluxed, heated to 80 °C, kept at a constant temperature, and the reaction time was 2 h, filtered with suction, and the filter cake was washed with chloroform or hot deionized water until the filtrate was free of color, and vacuum-dried at 40 ℃ for 1 h to obtain 2,2'-(4-nitrophenyl)dipyrromethene cobalt complex with a yield of 82%.
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