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Structure of Zinc trifluoromethanesulfonate
CAS No.: 54010-75-2
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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.
4.5
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Betts, Katherine ; Jiang, Yuhan ; Frailey, Michael ; Yohannes, Kidus ; Feng, Zhange ;
Abstract: With the heightening interest in bivalent battery technology, there arises a necessity for a thorough investigation into zinc-ion battery (ZIB) electrolytes, accommodating their chemical attributes and potential-dependent structural dynamics. While the phenomenon of in situ solid electrolyte interphase formation is extensively documented in lithium-ion batteries, its analogous occurrences in ZIBs remain limited. Herein is a comparative study of three zinc electrolytes of interest: ZnSO4, ZnOTF, and Zn(TFSI)2/LiTFSI hybrid water-in-salt electrolyte. Additionally, the impact of an acetonitrile additive is scrutinized, with a comparative assessment of the interfacial behavior in aqueous solutions. Utilizing ATR-SEIRAS, potential-dependent alterations in the composition of the electrolyte/electrode interface were monitored, while EQCM-D facilitated a comprehensive understanding of variations in the mass and structural properties of the adsorbed layer. Aqueous ZnSO4 demonstrated the accumulation of porous Zn4SO4(OH)6·xH2O at negative potentials, leading to a mass of 1.47 μg cm−2 after five cycles. Bisulfate formation was observed at positive potentials. SEIRAS measurements for ZnOTF demonstrated reorientation and surface adsorption of CF3SO3− to favor CF3 at the surface for positive potentials, and acetonitrile showed increased stability for the electrode at negative potentials. The additive was also reported to lead to the accumulation of a substantial passivation layer with viscoelastic properties. The zinc water-in-salt showed exceptional surface stability at negative potentials and a widened potential window. A thin rigid zinc SEI layer is reported with a mass of 0.7 μg cm−2 . The compositional intricacies of these surface structures are discussed in relation to their solvent conditions. This investigation not only sheds light on the initial charge/discharge cycles in ZIBs but also underscores their pivotal role in instigating enduring transformations that can significantly influence their long-term cycling performance.
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Catalytic Thioglycoside Activation with Diazo-Derived Copper Carbenes
Singh, Surya Pratap ; Chaudhary, Umesh ; Sharma, Indrajeet ;
Abstract: Traditional glycosylation methods using thioglycosides often require harsh conditions or expensive metal catalysts. This study presents a more sustainable alternative by employing copper, an earth-abundant catalyst. We developed diazo-based thioglycoside donors that, through copper catalysis, undergo intramolecular activation to form glycosyl sulfonium ions, leading to the generation of oxocarbenium ions. This versatile approach efficiently accommodates a variety of O-nucleophiles, including primary, secondary, and tertiary, as well as complex bioactive molecules. It is compatible with various glycosyl donors and protecting groups, including superarmed, armed, and disarmed systems. Notably, the methodology operates orthogonally to traditional thioglycoside and alkyne donors and has been successfully applied to the orthogonal iterative synthesis of trisaccharides. Mechanistic insights were gained by studying the electronic effects of electron-donating (OMe) and electron-withdrawing (NO2) groups on the donors, offering a valuable understanding of the intramolecular reaction pathway.
Show More >
Keywords: earth-abundant metals ; copper catalysis ; thioglycoside donor ; orthogonal reactivity ; iterative synthesis ; intramolecular activation
Show More >
CAS No. : | 54010-75-2 |
Formula : | C2F6O6S2Zn |
M.W : | 363.55 |
SMILES Code : | O=S(C(F)(F)F)([O-])=O.O=S(C(F)(F)F)([O-])=O.[Zn+2] |
MDL No. : | MFCD00013229 |
InChI Key : | CITILBVTAYEWKR-UHFFFAOYSA-L |
Pubchem ID : | 104671 |
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 | 17 |
Num. arom. heavy atoms | 0 |
Fraction Csp3 | 1.0 |
Num. rotatable bonds | 2 |
Num. H-bond acceptors | 12.0 |
Num. H-bond donors | 0.0 |
Molar Refractivity | 31.59 |
TPSA ? Topological Polar Surface Area: Calculated from |
131.16 Ų |
Log Po/w (iLOGP)? iLOGP: in-house physics-based method implemented from |
-46.97 |
Log Po/w (XLOGP3)? XLOGP3: Atomistic and knowledge-based method calculated by |
0.64 |
Log Po/w (WLOGP)? WLOGP: Atomistic method implemented from |
4.78 |
Log Po/w (MLOGP)? MLOGP: Topological method implemented from |
-0.34 |
Log Po/w (SILICOS-IT)? SILICOS-IT: Hybrid fragmental/topological method calculated by |
2.23 |
Consensus Log Po/w? Consensus Log Po/w: Average of all five predictions |
-7.93 |
Log S (ESOL):? ESOL: Topological method implemented from |
-2.37 |
Solubility | 1.57 mg/ml ; 0.00432 mol/l |
Class? Solubility class: Log S scale |
Soluble |
Log S (Ali)? Ali: Topological method implemented from |
-2.97 |
Solubility | 0.39 mg/ml ; 0.00107 mol/l |
Class? Solubility class: Log S scale |
Soluble |
Log S (SILICOS-IT)? SILICOS-IT: Fragmental method calculated by |
-0.1 |
Solubility | 290.0 mg/ml ; 0.798 mol/l |
Class? Solubility class: Log S scale |
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 |
No |
P-gp substrate? P-glycoprotein substrate: SVM model built on 1033 molecules (training set) |
Yes |
CYP1A2 inhibitor? Cytochrome P450 1A2 inhibitor: SVM model built on 9145 molecules (training set) |
No |
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) |
No |
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 |
-8.06 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 |
2.0 |
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 |
3.0 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) |
2.34 |
* 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 |
---|---|---|
With 4-(2-chloroethyl)morpholine hydrochride; In acetonitrile; at 20℃; for 16h;Sonication; Molecular sieve; Darkness; | General procedure: An aldehyde (30 mmol), Zn(OTf)2 (13 mg, 35 mmol), and (N-Chloroethyl)morpholine HCl 6.5 mg, 35 mmol) were added to a 1dram vial. The dry solvent, acetonitrile (1mL), was added to the vial. Afterwards dipicolylamine (7 muL 35 mmol) was added to the vial and the vial was sonicated. Once the solution was transparent molecular sieves were added to the solution along with the respective alcohol (175 mmol). The assemblies were incubated for 16 h at room temperature in the dark. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With 4-(2-chloroethyl)morpholine hydrochride; In acetonitrile; at 20℃; for 16h;Sonication; Molecular sieve; Darkness; | General procedure: An aldehyde (30 mmol), Zn(OTf)2 (13 mg, 35 mmol), and (N-Chloroethyl)morpholine HCl 6.5 mg, 35 mmol) were added to a 1dram vial. The dry solvent, acetonitrile (1mL), was added to the vial. Afterwards dipicolylamine (7 muL 35 mmol) was added to the vial and the vial was sonicated. Once the solution was transparent molecular sieves were added to the solution along with the respective alcohol (175 mmol). The assemblies were incubated for 16 h at room temperature in the dark. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With 4-(2-chloroethyl)morpholine hydrochride; In acetonitrile; at 20℃; for 16h;Sonication; Molecular sieve; Darkness; | General procedure: An aldehyde (30 mmol), Zn(OTf)2 (13 mg, 35 mmol), and (N-Chloroethyl)morpholine HCl 6.5 mg, 35 mmol) were added to a 1dram vial. The dry solvent, acetonitrile (1mL), was added to the vial. Afterwards dipicolylamine (7 muL 35 mmol) was added to the vial and the vial was sonicated. Once the solution was transparent molecular sieves were added to the solution along with the respective alcohol (175 mmol). The assemblies were incubated for 16 h at room temperature in the dark. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With 4-(2-chloroethyl)morpholine hydrochride; In acetonitrile; at 20℃; for 16h;Sonication; Molecular sieve; Darkness; | General procedure: An aldehyde (30 mmol), Zn(OTf)2 (13 mg, 35 mmol), and (N-Chloroethyl)morpholine HCl 6.5 mg, 35 mmol) were added to a 1dram vial. The dry solvent, acetonitrile (1mL), was added to the vial. Afterwards dipicolylamine (7 muL 35 mmol) was added to the vial and the vial was sonicated. Once the solution was transparent molecular sieves were added to the solution along with the respective alcohol (175 mmol). The assemblies were incubated for 16 h at room temperature in the dark. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With 4-(2-chloroethyl)morpholine hydrochride; In acetonitrile; at 20℃; for 16h;Sonication; Molecular sieve; Darkness; | General procedure: An aldehyde (30 mmol), Zn(OTf)2 (13 mg, 35 mmol), and (N-Chloroethyl)morpholine HCl 6.5 mg, 35 mmol) were added to a 1dram vial. The dry solvent, acetonitrile (1mL), was added to the vial. Afterwards dipicolylamine (7 muL 35 mmol) was added to the vial and the vial was sonicated. Once the solution was transparent molecular sieves were added to the solution along with the respective alcohol (175 mmol). The assemblies were incubated for 16 h at room temperature in the dark. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With 4-(2-chloroethyl)morpholine hydrochride; In acetonitrile; at 20℃; for 16h;Sonication; Molecular sieve; Darkness; | General procedure: An aldehyde (30 mmol), Zn(OTf)2 (13 mg, 35 mmol), and (N-Chloroethyl)morpholine HCl 6.5 mg, 35 mmol) were added to a 1dram vial. The dry solvent, acetonitrile (1mL), was added to the vial. Afterwards dipicolylamine (7 muL 35 mmol) was added to the vial and the vial was sonicated. Once the solution was transparent molecular sieves were added to the solution along with the respective alcohol (175 mmol). The assemblies were incubated for 16 h at room temperature in the dark. |