Synthetic method of [1,1'- bis-(diphenyl phosphine) ferrocene] palladium dichloride methylene dichloride complex
A technology of dichloromethane and diphenylphosphine, applied in the field of [1], can solve the problems of cumbersome preparation process and high production cost, and achieve the effect of simple reaction process, low production cost and mild reaction conditions
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Embodiment 1
[0017] Step 1. Dissolve 2.00 grams of sodium chloropalladite in 30 mL of absolute ethanol to obtain an ethanol solution of sodium chloropalladite;
[0018] Step 2. Dissolve 4.15 g of 1,1'-bis(diphenylphosphine)ferrocene in 41mL of dichloromethane to obtain a dichloromethane solution of 1,1'-bis(diphenylphosphine)ferrocene ;
[0019] Step 3. Add the ethanol solution of sodium chloropalladite described in step one dropwise to the dichloromethane solution of 1,1'-bis(diphenylphosphine)ferrocene described in step two under stirring conditions , The reaction was stirred for 1 hour at a temperature of 25°C, and the reaction solution was filtered after the reaction to obtain 5.01 g of orange-red [1,1′-bis(diphenylphosphine)ferrocene]dichloropalladium dichloromethane complex The compound crystallized with a yield of 90.46%.
[0020] In this example, dichloromethane was directly used as the solvent to synthesize the target product of the solvent complex [1,1'-bis(diphenylphosphine)ferrocene...
Embodiment 2
[0023] Step 1. Dissolve 2.00 grams of sodium chloropalladite in 40 mL of absolute ethanol to obtain an ethanol solution of sodium chloropalladite;
[0024] Step 2. Dissolve 4.52 g of 1,1'-bis(diphenylphosphine)ferrocene in 45mL of dichloromethane to obtain a dichloromethane solution of 1,1'-bis(diphenylphosphine)ferrocene ;
[0025] Step 3. Add the ethanol solution of sodium chloropalladite described in step 1 dropwise to the dichloromethane solution of 1,1'-bis(diphenylphosphine)ferrocene described in step 2, under stirring conditions , The reaction was stirred for 1 hour at a temperature of 25°C, and the reaction solution was filtered after the reaction to obtain 5.02 g of orange-red [1,1′-bis(diphenylphosphine)ferrocene]dichloropalladium dichloromethane complex The compound crystallized with a yield of 90.64%.
[0026] In this example, dichloromethane was directly used as the solvent to synthesize the target product of the solvent complex [1,1'-bis(diphenylphosphine)ferrocene] d...
Embodiment 3
[0028] Step 1. Dissolve 2.00 grams of sodium chloropalladite in 20 mL of absolute ethanol to obtain an ethanol solution of sodium chloropalladite;
[0029] Step 2. Dissolve 4.15 g of 1,1'-bis(diphenylphosphine)ferrocene in 21mL of dichloromethane to obtain a dichloromethane solution of 1,1'-bis(diphenylphosphine)ferrocene ;
[0030] Step 3. Add the ethanol solution of sodium chloropalladite described in step 1 dropwise to the dichloromethane solution of 1,1'-bis(diphenylphosphine)ferrocene described in step 2, under stirring conditions , The reaction was stirred for 2h at a temperature of 25℃. After the reaction, the reaction solution was filtered to obtain 5.20 g of orange-red [1,1′-bis(diphenylphosphine)ferrocene]dichloropalladium dichloromethane complex The compound crystallized with a yield of 93.89%.
[0031] In this example, dichloromethane was directly used as the solvent to synthesize the target product of the solvent complex [1,1'-bis(diphenylphosphine)ferrocene] dichlorop...
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