Structure of 739-58-2
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The BI-3802 was designed by Boehringer Ingelheim and could be obtained free of charge through the Boehringer Ingelheim open innovation portal opnMe.com, associated with its negative control.
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Gas-free initiation for free-radical frontal polymerization through charge transfer complexes
Daniel P. Gary ; Md Abdullah Al Mahmud ; Madison G. Dawson ; John A. Pojman ;
Abstract: Frontal polymerization is a process in which a localized reaction zone propagates through the coupling of thermal transport and the Arrhenius kinetics of exothermic polymerization. Most initiators that have been used produce volatile by-products, which create bubbles and voids. Tetraalkyl ammonium persulfates have been used but these require synthesis and do not have long shelf lives. A charge transfer complex (CTC) composed of an iodonium salt, and a phosphine compound has been identified as a gas-free initiator for free-radical thermal frontal polymerization. This CTC has 4-(dimethylamino)phenyldiphenly phophine (DMAPDP) as the donor and p-(octyloxyphenyl)phenyliodonium hexafluoroantimonate as the acceptor (IOC-8). The CTC was tested with several acrylates, and all were found to support bubble-free fronts. We determined the CTC mole ratio for some monomers at which the front velocity reaches a plateau.
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| CAS No. : | 739-58-2 |
| Formula : | C20H20NP |
| M.W : | 305.35 |
| SMILES Code : | CN(C)C1=CC=C(C=C1)P(C1=CC=CC=C1)C1=CC=CC=C1 |
| MDL No. : | MFCD00192068 |
| InChI Key : | GOEGBJDTWXTPHP-UHFFFAOYSA-N |
| Pubchem ID : | 3333592 |
| GHS Pictogram: |
|
| Signal Word: | Warning |
| Hazard Statements: | H315-H319-H335 |
| Precautionary Statements: | P261-P305+P351+P338 |
| Num. heavy atoms | 22 |
| Num. arom. heavy atoms | 18 |
| Fraction Csp3 | 0.1 |
| Num. rotatable bonds | 4 |
| Num. H-bond acceptors | 0.0 |
| Num. H-bond donors | 0.0 |
| Molar Refractivity | 99.35 |
| TPSA ? Topological Polar Surface Area: Calculated from |
16.83 Ų |
| Log Po/w (iLOGP)? iLOGP: in-house physics-based method implemented from |
3.65 |
| Log Po/w (XLOGP3)? XLOGP3: Atomistic and knowledge-based method calculated by |
5.81 |
| Log Po/w (WLOGP)? WLOGP: Atomistic method implemented from |
3.51 |
| Log Po/w (MLOGP)? MLOGP: Topological method implemented from |
4.82 |
| Log Po/w (SILICOS-IT)? SILICOS-IT: Hybrid fragmental/topological method calculated by |
5.11 |
| Consensus Log Po/w? Consensus Log Po/w: Average of all five predictions |
4.58 |
| Log S (ESOL):? ESOL: Topological method implemented from |
-5.73 |
| Solubility | 0.000562 mg/ml ; 0.00000184 mol/l |
| Class? Solubility class: Log S scale |
Moderately soluble |
| Log S (Ali)? Ali: Topological method implemented from |
-5.93 |
| Solubility | 0.000356 mg/ml ; 0.00000117 mol/l |
| Class? Solubility class: Log S scale |
Moderately soluble |
| Log S (SILICOS-IT)? SILICOS-IT: Fragmental method calculated by |
-7.64 |
| Solubility | 0.00000701 mg/ml ; 0.000000023 mol/l |
| Class? Solubility class: Log S scale |
Poorly soluble |
| GI absorption? Gatrointestinal absorption: according to the white of the BOILED-Egg |
High |
| BBB permeant? BBB permeation: according to the yolk of the BOILED-Egg |
Yes |
| P-gp substrate? P-glycoprotein substrate: SVM model built on 1033 molecules (training set) |
No |
| CYP1A2 inhibitor? Cytochrome P450 1A2 inhibitor: SVM model built on 9145 molecules (training set) |
Yes |
| CYP2C19 inhibitor? Cytochrome P450 2C19 inhibitor: SVM model built on 9272 molecules (training set) |
Yes |
| CYP2C9 inhibitor? Cytochrome P450 2C9 inhibitor: SVM model built on 5940 molecules (training set) |
Yes |
| CYP2D6 inhibitor? Cytochrome P450 2D6 inhibitor: SVM model built on 3664 molecules (training set) |
Yes |
| CYP3A4 inhibitor? Cytochrome P450 3A4 inhibitor: SVM model built on 7518 molecules (training set) |
No |
| Log Kp (skin permeation)? Skin permeation: QSPR model implemented from |
-4.04 cm/s |
| Lipinski? Lipinski (Pfizer) filter: implemented from |
1.0 |
| Ghose? Ghose filter: implemented from |
None |
| Veber? Veber (GSK) filter: implemented from |
0.0 |
| Egan? Egan (Pharmacia) filter: implemented from |
0.0 |
| Muegge? Muegge (Bayer) filter: implemented from |
1.0 |
| Bioavailability Score? Abbott Bioavailability Score: Probability of F > 10% in rat |
0.55 |
| PAINS? Pan Assay Interference Structures: implemented from |
0.0 alert |
| Brenk? Structural Alert: implemented from |
1.0 alert: heavy_metal |
| Leadlikeness? Leadlikeness: implemented from |
No; 1 violation:MW<1.0 |
| Synthetic accessibility? Synthetic accessibility score: from 1 (very easy) to 10 (very difficult) |
3.91 |
* 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 |
|---|---|---|
| 96% | Under nitrogen protection,1L three bottles,From 50 g of 4-bromo-N, N-dimethylaniline,7 g of magnesium turnings and 400 ml of anhydrousTHF to produce Grignard reagent,Refluxed for 10 hours, reduced to room temperature,2.9 g of tetrakis (triphenylphosphine) palladium was added,Stirred for 3 hours,61 g of diphenylphosphonium chloride was added dropwise at room temperature,The reaction was refluxed for 8 hours.And the mixture was added dropwise to the reaction solution under ice-water bath200 mL of saturated aqueous ammonium chloride was quenched,Liquid separation, the organic phase solution,Add methanol crystallization,And filtered to obtain 74 g of white 4- (N, N-dimethylamino) diphenylphosphine benzene,Yield 96percent. |

[ 739-58-2 ]
| Yield | Reaction Conditions | Operation in experiment |
|---|---|---|
| In DMF (N,N-dimethyl-formamide); for 168h; | 4- (DIMETHYLAMINO) phenyldiphenylphosphine (1.73 mmoles, 0.529 g) and 1,4-dibromobutane (1.73 mmoles, 0.207 g) were dissolved in DMF (1 ml) and shaken for 1 week. A viscous liquid was obtained. |
[ 4101-68-2 ]
[ 739-58-2 ]
| Yield | Reaction Conditions | Operation in experiment |
|---|---|---|
| In DMF (N,N-dimethyl-formamide); for 168h; | 4- (DIMETHYLAMINO) phenyldiphenylphosphine (1.73 mmoles, 0. 529 g) and 1, 10-DIBROMODECANE (1. 73 mmoles,. 1. 04 g) were dissolved in DMF (1 ml) and shaken for 1 week. |
[ 3344-70-5 ]
[ 739-58-2 ]
| Yield | Reaction Conditions | Operation in experiment |
|---|---|---|
| In DMF (N,N-dimethyl-formamide); for 168h; | 4- (DIMETHYLAMINO) phenyldiphenylphosphine (1.73 mmoles, 0.529 g) and 1,12-dibromododecane (1.73 mmoles, 0.569 g) were dissolved in DMF (1 ml) and shaken for 1 week. |
[ 4549-33-1 ]
[ 739-58-2 ]
| Yield | Reaction Conditions | Operation in experiment |
|---|---|---|
| In DMF (N,N-dimethyl-formamide); for 168h; | 4- (DIMETHYLAMINO) PHENYLDIPHENYLPHOSPHINE (1.73 mmoles, 0.529 g) and 1, 9-dibromononane (1.73 mmoles, 0.352 g) were dissolved in DMF (1 ml) and shaken for 1 week. |
| Yield | Reaction Conditions | Operation in experiment |
|---|---|---|
| [0144] Under argon atmosphere, (4-dimethylaminophenyl)diphenylphosphine (e) (122.1 mg, 0.4 mmol) and acetylacetonato iridium(1,5-cyclooctadiene) (80.0 mg, 0.2 mmol) were placed in a Schlenk flask. Four milliliters of a degassed 1,2-dimethoxyethane was added thereto with a syringe, and the flask was tightly sealed, followed by stirring the resulting mixture at 15° C. for 12 hours. Thereafter, 1,2-dimethoxyethane was removed under reduced pressure, and 2.5 mL of a degassed aqueous formic acid solution (98 vol percent) was added thereto with a syringe. The flask was tightly sealed, and the mixture was stirred at 60° C. for 1 hour. Thereafter, the aqueous formic acid solution was removed under reduced pressure, and ethanol was added thereto, followed by stirring the resulting mixture overnight and then washing. As a result, the iridium hydride complex E was obtained as white powder (115.9 mg, 0.14 mmol). Spectroscopic Data of the Iridium Hydride Complex E: [0145] 1H NMR (CD2Cl2), delta: 7.17-7.68 (m, 24H), 6.51-6.53 (m, 4H), 2.99 (s, 12H), [mer: ?10.08 (td, JH-P=16.8 Hz, JH-H=4.8 HZ, 2H), ?10.48 (tt, JH-P=18.8 Hz, JH-H=5.2 Hz, 1H)], [fac: ?10.18 (t, JH-P=18.4 Hz, 1H), ?11.64 (ddd, JH-P=103.5, 19.2 Hz, JH-H=2.4 Hz, 2H)] [0146] 31P[1H] NMR (CD2Cl2), delta: [mer: 13.9 (s)], [fac: 5.62 (s)] |
| Yield | Reaction Conditions | Operation in experiment |
|---|---|---|
| In 1,2-dimethoxyethane; at 80℃; for 12h;Inert atmosphere; Schlenk technique; Sealed tube; | [0165] Under argon atmosphere, acetylacetonato iridium (1,5-cyclooctadiene) (20 mg, 0.05 mmol) and (4-dimethylaminophenyl)diphenylphosphine (b) (30.5 mg, 0.10 mmol) were placed in a Schlenk flask. After addition of a degassed 1,2-dimethoxyethane (1 mL) thereto with a syringe, the flask was tightly sealed, and the mixture was stirred at room temperature for 12 hours. Thereafter, precipitated pale yellow solids were collected as the iridium complex B. Spectroscopic Data of the Iridium Complex B: [0166] 1H NMR (C6D6), delta: 7.94-8.03 (m, 12H), 7.00-7.20 (m, 12H), 6.37-6.39 (m, 4H), 5.40 (s, 1H), 2.43 (s, 12H), 1.38 (s, 6H) [0167] 31P[1H] NMR (C6D6), delta: 16.3 (s) |