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Structure of 16004-15-2
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Highly compressible glass-like supramolecular polymer networks
Zehuan Huang ; Xiaoyi Chen ; Stephen J. K. O’Neill ; Guanglu Wu ; Daniel J. Whitaker ; Jiaxuan Li , et al.
Abstract: Supramolecular polymer networks are non-covalently crosslinked soft materials that exhibit unique mechanical features such as self-healing, high toughness and stretchability. Previous studies have focused on optimizing such properties using fast-dissociative crosslinks (that is, for an aqueous system, dissociation rate constant kd?>?10?s?1). Herein, we describe non-covalent crosslinkers with slow, tuneable dissociation kinetics (kd?1?s?1) that enable high compressibility to supramolecular polymer networks. The resultant glass-like supramolecular networks have compressive strengths up to 100?MPa with no fracture, even when compressed at 93% strain over 12 cycles of compression and relaxation. Notably, these networks show a fast, room-temperature self-recovery (< 120?s), which may be useful for the design of high-performance soft materials. Retarding the dissociation kinetics of non-covalent crosslinks through structural control enables access of such glass-like supramolecular materials, holding substantial promise in applications including soft robotics, tissue engineering and wearable bioelectronics.
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Purchased from AmBeed: 2243-54-1 ; 17201-43-3 ; 589-15-1 ; 106797-53-9 ; 622-95-7 ; 16004-15-2 ; 7646-67-5
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CAS No. : | 16004-15-2 |
Formula : | C7H6BrI |
M.W : | 296.93 |
SMILES Code : | IC1=CC=C(CBr)C=C1 |
MDL No. : | MFCD00209656 |
InChI Key : | BQTRMYJYYNQQGK-UHFFFAOYSA-N |
Pubchem ID : | 954258 |
GHS Pictogram: |
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Signal Word: | Danger |
Hazard Statements: | H314 |
Precautionary Statements: | P280-P305+P351+P338-P310 |
Class: | 8 |
UN#: | 3261 |
Packing Group: | Ⅱ |
Num. heavy atoms | 9 |
Num. arom. heavy atoms | 6 |
Fraction Csp3 | 0.14 |
Num. rotatable bonds | 1 |
Num. H-bond acceptors | 0.0 |
Num. H-bond donors | 0.0 |
Molar Refractivity | 52.0 |
TPSA ? Topological Polar Surface Area: Calculated from |
0.0 ?2 |
Log Po/w (iLOGP)? iLOGP: in-house physics-based method implemented from |
2.4 |
Log Po/w (XLOGP3)? XLOGP3: Atomistic and knowledge-based method calculated by |
4.02 |
Log Po/w (WLOGP)? WLOGP: Atomistic method implemented from |
3.03 |
Log Po/w (MLOGP)? MLOGP: Topological method implemented from |
3.98 |
Log Po/w (SILICOS-IT)? SILICOS-IT: Hybrid fragmental/topological method calculated by |
3.82 |
Consensus Log Po/w? Consensus Log Po/w: Average of all five predictions |
3.45 |
Log S (ESOL):? ESOL: Topological method implemented from |
-4.64 |
Solubility | 0.00679 mg/ml ; 0.0000229 mol/l |
Class? Solubility class: Log S scale |
Moderately soluble |
Log S (Ali)? Ali: Topological method implemented from |
-3.72 |
Solubility | 0.0562 mg/ml ; 0.000189 mol/l |
Class? Solubility class: Log S scale |
Soluble |
Log S (SILICOS-IT)? SILICOS-IT: Fragmental method calculated by |
-4.59 |
Solubility | 0.00756 mg/ml ; 0.0000255 mol/l |
Class? Solubility class: Log S scale |
Moderately soluble |
GI absorption? Gatrointestinal absorption: according to the white of the BOILED-Egg |
Low |
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) |
No |
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) |
No |
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 |
-5.26 cm/s |
Lipinski? Lipinski (Pfizer) filter: implemented from |
0.0 |
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 |
2.0 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) |
2.22 |
* 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 |
---|---|---|
61% | With potassium carbonate; potassium iodide; In acetonitrile; at 80℃; for 1h; | Preparation G: tert-butyl (3-(4-iodobenzyl)-3-azabicyclo[3.1.0]hexan- 6-yl)carbamate: To a stirred solution of <strong>[198211-38-0]6-(Boc-amino)-3-azabicyclo[3.1.0]hexane</strong> (0.250 g, 1.26 mmol) in MeCN (10 mL) were added K2C03 (0.52 g, 3.78 mmol), 4-iodobenzyl bromide (0.449 g, 1.51 mmol) and KI (0.006 g, 0.0378 mmol). The resulting reaction mixture was heated at 80 C for 1 h. The solvent was removed under reduced pressure and the residue was partitioned between DCM (100 mL) and water (25 mL). The org. layer was separated and the aq. layer was extracted with DCM (2 x 25 mL). The combined org. layers were washed with water (2 x 25 mL). The evaporation residue was purified by CC (DCM-MeOH) to afford the title compound as a beige solid (0.32 g, 61% yield). XH NMR (i/6-DMSO) delta: 7.66 (d, J = 8.3 Hz, 2H); 7.06 (d, J = 8.3 Hz, 2H); 6.90 (m, 1H); 3.48 (s, 2H); 2.88 (d, J = 8.8 Hz, 2H); 2.68 (d, J = 0.3 Hz, 1H); 2.30 (d, J = 8.4 Hz, 2H); 1.37 (s, 9H). MS (ESI, m/z): 414.96 [M+H+] for CnHnNzOzI; tR = 0.68 min. |
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