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Chemical Structure| 97509-75-6 Chemical Structure| 97509-75-6
Chemical Structure| 97509-75-6

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CAS No.: 97509-75-6

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Product Citations

Product Citations

Zhao, Spencer ; Loh, Kang Yong ; Tyson, Jonathan ; Kadur, Chandan ; Bertozzi, Carolyn ; Deisseroth, Karl , et al.

Abstract: Catalytic reactions of a broad range of abiotic molecules and macromolecules are beyond the native capabilities of mammals. Natural enzymes from prokaryotes or plant-based eukaryotes have limited substrate scopes. Therefore, broadening the range of catalytic bond-forming reactions that function in physiological conditions would enable the syntheses of a vast array of molecules directly within biological systems. This approach may provide an alternative way to modulate cellular behaviors if such molecules can be synthesized with spatiotemporal control on specific cell types in living systems; furthermore, restricting synthesis to well-defined cells or cell-types would enable a potentially transformative approach of treating cells as separable reaction vessels within living organisms. Herein, we use genetic targeting to incorporate an organic photocatalytic dye onto specific cell types to enable in-situ light-controlled and spatially defined chemical synthesis of non-natural molecules. We demonstrate, for the first time, a photo-patterned organic coupling reaction in the extracellular matrix of living cells under dilute, aqueous, aerobic physiological conditions. A 6-fold contrast in reaction yield can be achieved between two adjacent HEK293FT cells with and without light exposure. The above photocatalysis can be initiated using mild confocal laser stimulation as low as 16 μW/mm2 at multiple wavelengths. Furthermore, the cell-type specific photocatalyzed C-H functionalization coupling reactions taking place on cell surfaces are used to demonstrate anabolic construction of non-natural products. The above findings lay an important foundation for developing future abiotic cell-type specific chemical syntheses in living organisms.

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Alternative Products

Product Details of [ 97509-75-6 ]

CAS No. :97509-75-6
Formula : C6H3FN2
M.W : 122.10
SMILES Code : N#CC1=NC=CC=C1F
MDL No. :MFCD06797501
InChI Key :VZFPSCNTFBJZHB-UHFFFAOYSA-N
Pubchem ID :7060408

Safety of [ 97509-75-6 ]

GHS Pictogram:
Signal Word:Warning
Hazard Statements:H302-H315-H319
Precautionary Statements:P261-P305+P351+P338

Calculated chemistry of [ 97509-75-6 ] Show Less

Physicochemical Properties

Num. heavy atoms 9
Num. arom. heavy atoms 6
Fraction Csp3 0.0
Num. rotatable bonds 0
Num. H-bond acceptors 3.0
Num. H-bond donors 0.0
Molar Refractivity 28.91
TPSA ?

Topological Polar Surface Area: Calculated from
Ertl P. et al. 2000 J. Med. Chem.

36.68 ?2

Lipophilicity

Log Po/w (iLOGP)?

iLOGP: in-house physics-based method implemented from
Daina A et al. 2014 J. Chem. Inf. Model.

1.32
Log Po/w (XLOGP3)?

XLOGP3: Atomistic and knowledge-based method calculated by
XLOGP program, version 3.2.2, courtesy of CCBG, Shanghai Institute of Organic Chemistry

1.0
Log Po/w (WLOGP)?

WLOGP: Atomistic method implemented from
Wildman SA and Crippen GM. 1999 J. Chem. Inf. Model.

1.51
Log Po/w (MLOGP)?

MLOGP: Topological method implemented from
Moriguchi I. et al. 1992 Chem. Pharm. Bull.
Moriguchi I. et al. 1994 Chem. Pharm. Bull.
Lipinski PA. et al. 2001 Adv. Drug. Deliv. Rev.

0.22
Log Po/w (SILICOS-IT)?

SILICOS-IT: Hybrid fragmental/topological method calculated by
FILTER-IT program, version 1.0.2, courtesy of SILICOS-IT, http://www.silicos-it.com

1.76
Consensus Log Po/w?

Consensus Log Po/w: Average of all five predictions

1.16

Water Solubility

Log S (ESOL):?

ESOL: Topological method implemented from
Delaney JS. 2004 J. Chem. Inf. Model.

-1.72
Solubility 2.32 mg/ml ; 0.019 mol/l
Class?

Solubility class: Log S scale
Insoluble < -10 < Poorly < -6 < Moderately < -4 < Soluble < -2 Very < 0 < Highly

Very soluble
Log S (Ali)?

Ali: Topological method implemented from
Ali J. et al. 2012 J. Chem. Inf. Model.

-1.36
Solubility 5.34 mg/ml ; 0.0437 mol/l
Class?

Solubility class: Log S scale
Insoluble < -10 < Poorly < -6 < Moderately < -4 < Soluble < -2 Very < 0 < Highly

Very soluble
Log S (SILICOS-IT)?

SILICOS-IT: Fragmental method calculated by
FILTER-IT program, version 1.0.2, courtesy of SILICOS-IT, http://www.silicos-it.com

-2.34
Solubility 0.554 mg/ml ; 0.00454 mol/l
Class?

Solubility class: Log S scale
Insoluble < -10 < Poorly < -6 < Moderately < -4 < Soluble < -2 Very < 0 < Highly

Soluble

Pharmacokinetics

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)
and tested on 415 molecules (test set)
10-fold CV: ACC=0.72 / AUC=0.77
External: ACC=0.88 / AUC=0.94

 No
CYP1A2 inhibitor?

Cytochrome P450 1A2 inhibitor: SVM model built on 9145 molecules (training set)
and tested on 3000 molecules (test set)
10-fold CV: ACC=0.83 / AUC=0.90
External: ACC=0.84 / AUC=0.91

 No
CYP2C19 inhibitor?

Cytochrome P450 2C19 inhibitor: SVM model built on 9272 molecules (training set)
and tested on 3000 molecules (test set)
10-fold CV: ACC=0.80 / AUC=0.86
External: ACC=0.80 / AUC=0.87

 No
CYP2C9 inhibitor?

Cytochrome P450 2C9 inhibitor: SVM model built on 5940 molecules (training set)
and tested on 2075 molecules (test set)
10-fold CV: ACC=0.78 / AUC=0.85
External: ACC=0.71 / AUC=0.81

 No
CYP2D6 inhibitor?

Cytochrome P450 2D6 inhibitor: SVM model built on 3664 molecules (training set)
and tested on 1068 molecules (test set)
10-fold CV: ACC=0.79 / AUC=0.85
External: ACC=0.81 / AUC=0.87

 No
CYP3A4 inhibitor?

Cytochrome P450 3A4 inhibitor: SVM model built on 7518 molecules (training set)
and tested on 2579 molecules (test set)
10-fold CV: ACC=0.77 / AUC=0.85
External: ACC=0.78 / AUC=0.86

 No
Log Kp (skin permeation)?

Skin permeation: QSPR model implemented from
Potts RO and Guy RH. 1992 Pharm. Res.

-6.33 cm/s

Druglikeness

Lipinski?

Lipinski (Pfizer) filter: implemented from
Lipinski CA. et al. 2001 Adv. Drug Deliv. Rev.
MW ≤ 500
MLOGP ≤ 4.15
N or O ≤ 10
NH or OH ≤ 5

 0.0
Ghose?

Ghose filter: implemented from
Ghose AK. et al. 1999 J. Comb. Chem.
160 ≤ MW ≤ 480
-0.4 ≤ WLOGP ≤ 5.6
40 ≤ MR ≤ 130
20 ≤ atoms ≤ 70

 None
Veber?

Veber (GSK) filter: implemented from
Veber DF. et al. 2002 J. Med. Chem.
Rotatable bonds ≤ 10
TPSA ≤ 140

 0.0
Egan?

Egan (Pharmacia) filter: implemented from
Egan WJ. et al. 2000 J. Med. Chem.
WLOGP ≤ 5.88
TPSA ≤ 131.6

 0.0
Muegge?

Muegge (Bayer) filter: implemented from
Muegge I. et al. 2001 J. Med. Chem.
200 ≤ MW ≤ 600
-2 ≤ XLOGP ≤ 5
TPSA ≤ 150
Num. rings ≤ 7
Num. carbon > 4
Num. heteroatoms > 1
Num. rotatable bonds ≤ 15
H-bond acc. ≤ 10
H-bond don. ≤ 5

 1.0
Bioavailability Score?

Abbott Bioavailability Score: Probability of F > 10% in rat
implemented from
Martin YC. 2005 J. Med. Chem.

0.55

Medicinal Chemistry

PAINS?

Pan Assay Interference Structures: implemented from
Baell JB. & Holloway GA. 2010 J. Med. Chem.

0.0 alert
Brenk?

Structural Alert: implemented from
Brenk R. et al. 2008 ChemMedChem

0.0 alert: heavy_metal
Leadlikeness?

Leadlikeness: implemented from
Teague SJ. 1999 Angew. Chem. Int. Ed.
250 ≤ MW ≤ 350
XLOGP ≤ 3.5
Num. rotatable bonds ≤ 7

 No; 1 violation:MW<1.0
Synthetic accessibility?

Synthetic accessibility score: from 1 (very easy) to 10 (very difficult)
based on 1024 fragmental contributions (FP2) modulated by size and complexity penaties,
trained on 12'782'590 molecules and tested on 40 external molecules (r2 = 0.94)

 1.68

Application In Synthesis of [ 97509-75-6 ]

* 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.

  • Downstream synthetic route of [ 97509-75-6 ]

[ 97509-75-6 ] Synthesis Path-Downstream   1~1

  • 1
  • [ 97509-75-6 ]
  • [ 669066-35-7 ]
YieldReaction ConditionsOperation in experiment
55.2% Pre aration 86A: 3-Fluoro-4-iodopicolinonitrile[00297] To a solution of diisopropylamine (2.80 ml, 19.66 mmol) in THF (Volume: 201 ml) cooled to -78 C was added n-butyllithium (7.86 ml, 19.66 mmol) dropwise. The dry ice/acetone bath was replaced with an ice water bath and reaction mixture was stirred at 0 C for 25 min, and then re-cooled to -78 C. In a separate flask, a solution of 3- fluoropicolinonitrile (1.5 g, 12.29 mmol) in THF (50 mL) was cooled to -78 C, and then LDA (130 mL, 1.0 equiv) was added. The solution turned dark red. After 35 min, iodine (3.43 g, 13.51 mmol) was added rapidly. The reaction mixture was stirred for 45 min, then quenched with H20. Layers were separated and the aqueous phase extracted with CH2CI2 (2X). Organics combined, dried over Na2S04, filtered, and concentrated to afford a brown residue. The crude material was dissolved in a minimal amount of CH2CI2 to be chromatographed. Purification of the crude material by silica gel chromatography using an ISCO machine (80 g column, 60 mL/min, 0-20% EtOAc in hexanes over 23 min, tr = 18 min) gave the title compound (1.7 g, 6.79 mmol, 55.2% yield) as a brown solid.
31.5% [0088] Preparation 1 : 7-iodo-lH-pyrazolo[4,3-b]pyridine [0089] Diisopropylamine (50.9 mL, 360 mmol) was added to THF (1600 mL), and the mixture was cooled to 0 C in an ice bath and then n-butyllithium (137.6 ml, 2.5 M in hexane) was added drop wise at 0 C, and stirred for another 30 minutes. The mixture was then cooled to -78 C, and a solution of 2-cyano-3-fluoropyridine (40 g, 328 mmol) in 300 mL of THF was added. After 25 minutes, a solution of I2 (83.2 g, 328 mmol) in THF (80mL) was added and the reaction was stirred for 40 minutes at -78 C. The reaction was removed from the cooling bath and quenched with 400 mL sodium thiosulfate solution (10% aq.) followed by water (400 mL). The reaction mixture was diluted with ether (400 mL), and the layers were separated. The organic layer were washed with brine, dried over sodium sulfate, filtered and concentrated to a brown solid. The solid was purified with silica column chromatography eluted with 95:5 hexanes: ethyl acetate to give 3-fluoro-4- iodopicolinonitrile (25.6 g, 31.5 % yield) as an off-white solid. 1H NMR (400 MHz, DMSO-d6) delta ppm 8.25 - 8.26 (m, 1 H) 8.35 (t, J=5.05 Hz, 1 H). MS [M+H] found 249.0.
A solution of LDA (40.9 mmol, prepared from 11.4 mL of diisopropylamine and 16.4 mL of 2.5 M n-butyl lithium in hexanes) in 200 mL THE at-78C was treated with 2-cyano-3-fluoropyridine (5.0 g, 40.9 mmol) in 50 mL of THF drop-wise. After 10 minutes a solution of iodine (10.4 g, 40.9 mmol) in 10 mL of THF was added. After 30 minutes the reaction was quenched with 40 mL of water followed by workup with aqueous sodium thiosulfate. The mixture was diluted with ether, washed with brine, dried over Na2SO4, filtered and concentrated under vacuum. The residue was subjected to silica gel chromatography eluted with 0-20% ethyl acetate in hexanes to provide 3-fluoro-4-iodopyridine-2- carbonitrile that gave proton NMR spectra consistent with theory
With n-butyllithium; diisopropylamine; In tetrahydrofuran; water; ethyl acetate; To a cold (0 C.) solution of diisopropylamine (4.84 mL, 32 mmol) in THF (82.3 mL) was added n-butyllithium (12.8 mL, 2.5 M in hexanes, 32 mmol) dropwise. The resultant solution was stirred at 0 C. for 15 minutes to give a 0.32 M stock solution of LDA. To a cold (-78 C.) solution of LDA (74 mL, 0.32 M in THF, 23.7 mmol) in THF (50 mL) was added 3-fluoro-2-pyridinecarbonitrile (2.4 g, 19.7 mmol) (Sakamoto et. al. Chem. Pharm. Bull. 1985, 33, 565) as a solution in THF (20 mL). After 15 minutes, a solution of I2 (5.49 g, 21.6 mmol) in THF (20 mL) was added rapidly and the resultant suspension was stirred for 20 minutes at -78 C. The reaction mixture was quenched by the addition of water and warmed to ambient temperature. Ethyl acetate was added and the organic layer was washed successively with sodium thiosulfate, and brine. The aqueous layer was extracted with ethyl acetate and the combined organics were dried over sodium sulphate. Filtration and concentration followed by purification by silica gel chromatography provided 3-fluoro-4-iodo-2-pyridinecarbonitrile (3.6 g, 73%) as a white solid. 1H NMR (400 MHz, CDCl3) delta 8.14 (d, J=4.8 Hz, 1H), 7.98 (t, J=4.8 Hz, 1H).

 

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