Structure of 84459-33-6
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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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William E. Meador ; Eric Y. Lin ; Irene Lim ; Hannah C. Friedman ; David Ndaleh ; Abdul K. Shaik , et al.
Abstract: In vivo fluorescence imaging in the shortwave infrared (SWIR, 1,000-1,700 nm) and extended SWIR (ESWIR, 1,700-2,700 nm) regions has tremendous potential for diagnostic imaging. Although image contrast has been shown to improve as longer wavelengths are accessed, the design and synthesis of organic fluorophores that emit in these regions is challenging. Here we synthesize a series of silicon-RosIndolizine (SiRos) fluorophores that exhibit peak emission wavelengths from 1,300-1,700 nm and emission onsets of 1,800-2,200 nm. We characterize the fluorophores photophysically (both steady-state and time-resolved), electrochemically and computationally using time-dependent density functional theory. Using two of the fluorophores (SiRos1300 and SiRos1550), we formulate nanoemulsions and use them for general systemic circulatory SWIR fluorescence imaging of the cardiovascular system in mice. These studies resulted in high-resolution SWIR images with well-defined vasculature visible throughout the entire circulatory system. This SiRos scaffold establishes design principles for generating long-wavelength emitting SWIR and ESWIR fluorophores.
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CAS No. : | 84459-33-6 |
Formula : | C7H4BrClO |
M.W : | 219.46 |
SMILES Code : | BrC1=C(C=O)C=CC(=C1)Cl |
MDL No. : | MFCD09056792 |
Boiling Point : | No data available |
InChI Key : | AJOAHIKYBSZIEV-UHFFFAOYSA-N |
Pubchem ID : | 13154710 |
GHS Pictogram: |
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Signal Word: | Warning |
Hazard Statements: | H302-H315-H319-H335 |
Precautionary Statements: | P261-P305+P351+P338 |
Num. heavy atoms | 10 |
Num. arom. heavy atoms | 6 |
Fraction Csp3 | 0.0 |
Num. rotatable bonds | 1 |
Num. H-bond acceptors | 1.0 |
Num. H-bond donors | 0.0 |
Molar Refractivity | 44.54 |
TPSA ? Topological Polar Surface Area: Calculated from |
17.07 Ų |
Log Po/w (iLOGP)? iLOGP: in-house physics-based method implemented from |
1.93 |
Log Po/w (XLOGP3)? XLOGP3: Atomistic and knowledge-based method calculated by |
3.29 |
Log Po/w (WLOGP)? WLOGP: Atomistic method implemented from |
2.92 |
Log Po/w (MLOGP)? MLOGP: Topological method implemented from |
2.79 |
Log Po/w (SILICOS-IT)? SILICOS-IT: Hybrid fragmental/topological method calculated by |
3.3 |
Consensus Log Po/w? Consensus Log Po/w: Average of all five predictions |
2.85 |
Log S (ESOL):? ESOL: Topological method implemented from |
-3.65 |
Solubility | 0.049 mg/ml ; 0.000223 mol/l |
Class? Solubility class: Log S scale |
Soluble |
Log S (Ali)? Ali: Topological method implemented from |
-3.32 |
Solubility | 0.104 mg/ml ; 0.000475 mol/l |
Class? Solubility class: Log S scale |
Soluble |
Log S (SILICOS-IT)? SILICOS-IT: Fragmental method calculated by |
-3.82 |
Solubility | 0.0331 mg/ml ; 0.000151 mol/l |
Class? Solubility class: Log S scale |
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) |
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 |
-5.3 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 |
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) |
1.33 |
* 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 |
---|---|---|
In dimethyl sulfoxide; at 70℃; for 10h;Inert atmosphere; Schlenk technique; | General procedure: To a schlenk tube (15 mL) containing a solution of <strong>[32566-01-1]2-(1H-indol-2-yl)aniline</strong> 3a (0.4 mmol) in DMSO (2 mL) was added 2-bromobenzaldehyde 4 (0.44 mmol) under nitrogen atmosphere.Then, the reaction mixture was stirred at 70C for 10 h until <strong>[32566-01-1]2-(1H-indol-2-yl)aniline</strong> 3a was consumed completely. Next, Pd(PPh3)2Cl2(0.02 mmol), [(t-Bu)3PH]BF4 (0.06 mmol) and Et3N (1.2 mmol) wereadded into the above reaction system under CO (1 atm) atmo-sphere. After being stirred at 120C for 5 h, the resulting mixturewas quenched with NH4Cl and extracted with ethyl acetate. Thecombined organic layer was washed with H2O and brine, and thendried over anhydrous Na2SO4. The solvent was removed underreduced pressure and the residue was puried by column chro-matography on silica gel (petroleum ether/ethyl acetate 5:1) toafford the corresponding indolo[1,2-c]isoindolo[2,1-a]quinazolin-5(16aH)-one 2. |