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[ CAS No. 87199-17-5 ] {[proInfo.proName]}

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Chemical Structure| 87199-17-5
Chemical Structure| 87199-17-5
Structure of 87199-17-5 * Storage: {[proInfo.prStorage]}

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Product Citations

Product Citations      Expand+

Nyakuchena, James ; Chiromo, Humphrey ; Radpour, Shahrzad , et al. DOI: PubMed ID:

Abstract: Emissive covalent organic frameworks (COFs) are a promising class of crystalline materials that have demonstrated applications for sensing and light-emitting diodes. However, white light emission from a single has not been achieved yet as it requires multicomponent organic chromophores that simultaneously emit blue, green, and red light. In this work, we report the successful synthesis of a single with efficient white light emission by utilizing tunable emission properties of 2,1,3- benzothiadazole after incorporating different functional groups on its core structure, which results in the formation of three ligands, i.e., 4′,4-(benzothiadiazole-4,7-diyl)-dibenzaldehyde (BTD), 4,4′-(benzoselenadiazole-4,7-diyl)-dibenzaldehyde (BSD), and 4,4′-(naphtho[2,3-c][1,2,3] selenadiazole-4,9-diyl)-dibenzaldehyde (NSD), that emit in the blue, green, and red regions of the visible light spectrum. We show that white light emission can only occur when BTD, BSD, and NSD are assembled in a single structure due to the facilitated energy transfer process from BTD to BSD/NSD. This work demonstrates a unique approach to developing new white light-emitting materials based on the structure.

Keywords: covalent ; organic ; framework ; emissive ; white ; light

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Anita Marfavi ; Liam D. Adair ; Elizabeth J. New , et al. DOI:

Abstract: Two novel chromenylium-based probes were developed by functionalisation of the 5-position of the xanthene core with either a para-N-methyldiaminoacetic acid (MIDA) boronate ester (CRpMD) or closo?1,7-carborane (CRmCB). CRpMD revealed near-infrared emission at 655 nm, demonstrating a bathochromic shift compared to the analogous phenyl derivative (CRPh). Both boron-containing probes were found to be sensitive to changes in acidic pH, with CRpMD also displaying a dual fluorescence response at alkaline pH (pKa1 = 2.40 and pKa2 = 9.16). CRmCB showed a ca. 3-fold increase in fluorescence intensity at 638 nm from pH 7.01 to 2.00, with a pKa = 2.08. Moreover, CRpMD and CRmCB were successfully taken up by A549 lung cancer cells to assess their intracellular biodistributions, thereby showcasing the future potential of these probes for time-resolved pH measurements using confocal microscopy.

Keywords: Near-infrared ; Fluorescence microscopy ; Fluorescent probes ; BoronpH sensor

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Product Details of [ 87199-17-5 ]

CAS No. :87199-17-5 MDL No. :MFCD00151823
Formula : C7H7BO3 Boiling Point : -
Linear Structure Formula :OCH(C6H4)B(OH)2 InChI Key :VXWBQOJISHAKKM-UHFFFAOYSA-N
M.W : 149.94 Pubchem ID :591073
Synonyms :

Calculated chemistry of [ 87199-17-5 ]      Expand+

Physicochemical Properties

Num. heavy atoms : 11
Num. arom. heavy atoms : 6
Fraction Csp3 : 0.0
Num. rotatable bonds : 2
Num. H-bond acceptors : 3.0
Num. H-bond donors : 2.0
Molar Refractivity : 41.66
TPSA : 57.53 ?2

Pharmacokinetics

GI absorption : High
BBB permeant : No
P-gp substrate : No
CYP1A2 inhibitor : No
CYP2C19 inhibitor : No
CYP2C9 inhibitor : No
CYP2D6 inhibitor : No
CYP3A4 inhibitor : No
Log Kp (skin permeation) : -7.01 cm/s

Lipophilicity

Log Po/w (iLOGP) : 0.0
Log Po/w (XLOGP3) : 0.29
Log Po/w (WLOGP) : -0.82
Log Po/w (MLOGP) : -0.36
Log Po/w (SILICOS-IT) : -0.6
Consensus Log Po/w : -0.3

Druglikeness

Lipinski : 0.0
Ghose : None
Veber : 0.0
Egan : 0.0
Muegge : 1.0
Bioavailability Score : 0.55

Water Solubility

Log S (ESOL) : -1.22
Solubility : 8.95 mg/ml ; 0.0597 mol/l
Class : Very soluble
Log S (Ali) : -1.06
Solubility : 13.1 mg/ml ; 0.087 mol/l
Class : Very soluble
Log S (SILICOS-IT) : -1.22
Solubility : 9.08 mg/ml ; 0.0605 mol/l
Class : Soluble

Medicinal Chemistry

PAINS : 0.0 alert
Brenk : 2.0 alert
Leadlikeness : 1.0
Synthetic accessibility : 1.35

Safety of [ 87199-17-5 ]

Signal Word:Warning Class:N/A
Precautionary Statements:P261-P272-P273-P280-P302+P352-P333+P313-P362+P364-P501 UN#:N/A
Hazard Statements:H317-H401 Packing Group:N/A
GHS Pictogram:

Application In Synthesis of [ 87199-17-5 ]

* 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.

  • Upstream synthesis route of [ 87199-17-5 ]
  • Downstream synthetic route of [ 87199-17-5 ]

[ 87199-17-5 ] Synthesis Path-Upstream   1~2

  • 1
  • [ 392-83-6 ]
  • [ 87199-17-5 ]
  • [ 198205-95-7 ]
YieldReaction ConditionsOperation in experiment
88% With sodium carbonate In 1,4-dioxane; water at 80 - 100℃; To a stirred solution of 2-trifluromethyl-bromobenzene (0.7 g, 2.75 mmol) and 4-carbaldehyde boronic acid (0.5 g, 3.3 mmol) in dioxane (20 ml_) under nitrogen at 80 5C was added Pd(PPh3)4 (0.05 g) followed by the addition of a solution of Na2CO3 (0.7 g) in H2O (5 m). The mixture was stirred at 100 5C for 6 h. The solvent was evaporated and the residue was diluted to 50 ml with EtOAc and washed with H2O. The solvent was devaporated to dryness and the residue was purified by FCC (SiO2) to give the title compound (0.61 g; 88percent), as creamy solid. 1H-NMR (CDCI3) 7.49 (d, 1 H, J = 7.41 Hz); 7.48 (d, 2H, J = 8.13 Hz); 7.61 - 7.53 (m, 2H); 7.76 (d, 1 H, J = 7.8 Hz); 7.91 (d, 2H, J = 8.34 Hz); 10.07 (s, 1 H).
Reference: [1] Patent: WO2010/42998, 2010, A1, . Location in patent: Page/Page column 95
  • 2
  • [ 87199-17-5 ]
  • [ 283173-50-2 ]
Reference: [1] Patent: WO2018/140377, 2018, A1,
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