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Boivin, Leo ; Schlachter, Adrien ; Fortin, Daniel ; Lescop, Christophe ; Harvey, Pierre D. ;
Abstract: The prediction of the metal cluster within a coordination polymer or complex, as well as the dimensionality of the resulting polymer or complex (i.e., 0D, 1D, 2D, or 3D), is often challenging. This is the case for Ph2P(CH2)mPPh2 ligands (1 ≤ m ≤ 8) and CuX salts, particularly for X = I. This work endeavors a systematic statistical anal. combining studies in the literature and new data, mapping the nature of the resulting CuI aggregates with eight different diphoshphines in 2:1, 3:2, 1:1, 2:3, and 1:2 CuI:Ph2P(CH2)mPPh2 molar ratios as a function of m, which lead to either pure products or mixtures Several trends are made relating stoichiometry and chain length to the CuI cluster formed (i.e., globular vs. quasi-planar). Four new X-ray structures were determined: [Cu3I2(L1)3]I, Cu3I3(L2)2, Cu2I2(L6)2, and Cu4I4(L8)2, where m is, resp., 1, 2, 6, and 8, in which the CuxIy central aggregates adopt triangular bipyramid, diamond, rhomboid, and cubane shaped motifs, resp. Photophys. measurements assisted the establishment of trends considering the paucity of the crystallog. structures. During this study, it was also found that the 0D-complex Cu2I2(Ph2P(CH2)5PPh2)2 exhibits thermally activated delayed fluorescence.
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Keywords: copper(I) iodide coordination polymers ; photophysics ; TADF
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Purchased from AmBeed: 1663-45-2 ; 7688-25-7 ; 2071-20-7 ; 27721-02-4 ; 19845-69-3 ; 6737-42-4 ; 4549-31-9 ; 7681-65-4 ; 41625-30-3
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CAS No. : | 2071-20-7 |
Formula : | C25H22P2 |
M.W : | 384.39 |
SMILES Code : | P(CP(C1=CC=CC=C1)C2=CC=CC=C2)(C3=CC=CC=C3)C4=CC=CC=C4 |
Synonyms : |
Bis(diphenylphosphino)methane; Methylenebis[diphenylphosphine]
|
MDL No. : | MFCD00003537 |
InChI Key : | XGCDBGRZEKYHNV-UHFFFAOYSA-N |
Pubchem ID : | 74952 |
GHS Pictogram: | ![]() |
Signal Word: | Warning |
Hazard Statements: | H315-H319-H335 |
Precautionary Statements: | P261-P305+P351+P338 |
* All experimental methods are cited from the reference, please refer to the original source for details. We do not guarantee the accuracy of the content in the reference.
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
99% | In toluene; at 80℃; for 48h;Inert atmosphere; | Dppm (3.59 g, 9.34 mmol) was dissolved in toluene (40 ml) and <strong>[4761-00-6]2-(bromomethyl)-1,3,5-trimethylbenzene</strong> (1.99 g, 9.34 mmol) was added. The reaction mixturewas heated to 80 C for two days. The resulting white precipitate of 1d was collected byfiltration, washed with toluene (2 × 20 ml) and dried in vacuum .1d. White solid, yield 99%, 5.53 g, mp 240-241 C; 1H NMR (600MHz, CDCl3): deltaH 1.68 (6H, s,o-CH3 Mes), 2.10 (3H, d, 7JHP = 2.7 Hz, p-CH3 Mes), 4.45 (2H, d, 2JHP = 13.8 Hz, P-CH2-P),4.79 (2H, d, 2JHP = 14.5 Hz, P-CH2), 6.56(2H, s, m-CH Mes), 7.18-7.23 (6H, m, CH Ph), 7.26-7.32 (4H, m, CH Ph), 7.50-7.58 (10H, m, CH Ph). 13C{H} NMR (100.6 MHz, CDCl3): deltaC 20.7(1C, d, 6JCP = 1.4 Hz, p-CH3 Mes), 21.0 (2C, d, 4JCP = 1.0 Hz, o-CH3 Mes), 22.0 (1C, dd, 1JCP =47.7 Hz, 1JCP = 32.9 Hz, P-CH2-P), 30.3 (1C, d, 1JCP = 45.4 Hz, P-CH2), 116.9 (2C, d, 1JCP = 82.6Hz, i-C Ph), 123.1 (1C, d, JCP = 9.5 Hz, C Mes), 128.9 (4C, d, JCP = 8.6 Hz, CH Ph), 129.2 (4C,d, JCP = 12.1 Hz, CH Ph), 129.5 (2C, d, 4JCP = 3.6 Hz, m-CH Mes), 129.7 (2C, s, p-CH Ph),133.4 (4C, d, JCP = 22.6 Hz, CH Ph), 134.0 (4C, dd, 2JCP = 8.9 Hz, 4JCP = 2.7 Hz, o-CH Ph),134.4 (2C, d, 4JCP= 2.9 Hz, p-CH Ph), 135.0 (2C, dd, 1JCP = 11.2 Hz, 3JCP = 8.0 Hz, i-C Ph),137.7 (1C, d, JCP = 4.4 Hz, C Mes), 137.8 (2C, d, 3JCP = 5.4 Hz, o-C Mes). 31P{H} NMR(161.9MHz, CDCl3) deltaP -23.8 (1P, d, 2JPP = 61.3 Hz), 25.8 (1P, d, 2JPP = 61.3 Hz). Anal. Calcd forC35H35P2Br (597.52): C, 70.36 H, 5.90; Br, 13.37%. Found: C, 70.20; H, 5.96; Br, 13.51%.Suitable crystals of 1d for X-ray diffraction experiments were obtained by slow diffusion of Et2Ointo a saturated solution of 1d in CHCl3. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
87% | With sodium hydroxide; In dichloromethane; at 20℃; for 4h;Inert atmosphere; | In an argon atmosphere,[Cu[MeCN]4][ClO4] (19.6 mg, 0.060 mmol),Bis[diphenylphosphine]methane (23.1 mg, 0.060 mmol) and5-[2-pyridyl]tetrazole (4.4 mg, 0.030 mmol)The reaction was stirred at room temperature for 3 hours in 10 mL of dichloromethane.Sodium hydroxide (1.2 mg, 0.030 mmol) was added to the reaction solution.Stir the reaction for 1 hour at room temperature.After the solvent is evaporated off with a rotary evaporator,Recrystallization was performed with a mixed solvent of dichloromethane (1 mL)-n-hexane (10 mL) [volume ratio 1:10].The colorless crystalline product obtained by recrystallization is filtered,Wash 3-4 times with 10 mL of ether,After drying in vacuo, a colorless solid product (29.7 mg, 0.013 mmol) was obtained with a yield of 87%. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
81% | With copper; sodium hydroxide; In dichloromethane; acetonitrile; at 20℃; for 3h;Inert atmosphere; | In an argon atmosphere,Copper perchlorate hexahydrate [Cu[ClO4]2·6H2O] (11.9 mg, 0.032 mmol) andExcess copper powder (12.2 mg, 0.192 mmol)Stir the reaction at room temperature in 5 mL acetonitrile for 30 minutes.After the addition of bis[diphenylphosphine]methane (24.6 mg, 0.064 mmol)Of 10 mL of dichloromethane,After stirring the reaction for one hour, 5-[2-pyridyl]tetrazolium ligand (4.7 mg, 0.032 mmol) was added.Stir the reaction for 2 hours at room temperature.Sodium hydroxide (1.28 mg, 0.032 mmol) was added to the reaction solution.And continue stirring at room temperature for 1 hour,After filtration, the solvent is evaporated off with a rotary evaporator.Recrystallization was performed with a mixed solvent of dichloromethane (1 mL)-n-hexane (10 mL) [volume ratio 1:10].The colorless crystalline product obtained by recrystallization was filtered and washed three times with 10 mL of diethyl ether.After drying in vacuo, a colorless solid product (29.7 mg, 0.013 mmol) was obtained with a yield of 81%. The analytical characterization experiment data are the same as in Example 1. |
Tags: DPPM | Bis(diphenylphosphino)methane | Aryls | Phosphoruses | Benzene Compounds | Bis-phosphine Ligands | Organic Building Blocks | Achiral Phosphine Ligands | 2071-20-7
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