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Type | HazMat fee for 500 gram (Estimated) |
Excepted Quantity | USD 0.00 |
Limited Quantity | USD 15-60 |
Inaccessible (Haz class 6.1), Domestic | USD 80+ |
Inaccessible (Haz class 6.1), International | USD 150+ |
Accessible (Haz class 3, 4, 5 or 8), Domestic | USD 100+ |
Accessible (Haz class 3, 4, 5 or 8), International | USD 200+ |
Structure of 935-28-4
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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
*For Research Use Only !
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Batch number can be found on the product's label following the word 'Batch'.
Search for reports by entering the product batch number.
Batch number can be found on the product's label following the word 'Batch'.
Search for reports by entering the product batch number.
Batch number can be found on the product's label following the word 'Batch'.
Search for reports by entering the product batch number.
Batch number can be found on the product's label following the word 'Batch'.
Search for reports by entering the product batch number.
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CAS No. : | 935-28-4 |
Formula : | C9H13N |
M.W : | 135.21 |
SMILES Code : | CCC1=CC=CC(CC)=N1 |
MDL No. : | MFCD00049215 |
InChI Key : | WHTDCOSHHMXZNE-UHFFFAOYSA-N |
Pubchem ID : | 136745 |
GHS Pictogram: |
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Signal Word: | Danger |
Hazard Statements: | H225-H302-H315-H319-H335 |
Precautionary Statements: | P261-P305+P351+P338 |
Class: | 3 |
UN#: | 1993 |
Packing Group: | Ⅲ |
Num. heavy atoms | 10 |
Num. arom. heavy atoms | 6 |
Fraction Csp3 | 0.44 |
Num. rotatable bonds | 2 |
Num. H-bond acceptors | 1.0 |
Num. H-bond donors | 0.0 |
Molar Refractivity | 43.78 |
TPSA ? Topological Polar Surface Area: Calculated from |
12.89 Ų |
Log Po/w (iLOGP)? iLOGP: in-house physics-based method implemented from |
2.31 |
Log Po/w (XLOGP3)? XLOGP3: Atomistic and knowledge-based method calculated by |
2.52 |
Log Po/w (WLOGP)? WLOGP: Atomistic method implemented from |
2.21 |
Log Po/w (MLOGP)? MLOGP: Topological method implemented from |
1.8 |
Log Po/w (SILICOS-IT)? SILICOS-IT: Hybrid fragmental/topological method calculated by |
2.92 |
Consensus Log Po/w? Consensus Log Po/w: Average of all five predictions |
2.35 |
Log S (ESOL):? ESOL: Topological method implemented from |
-2.58 |
Solubility | 0.357 mg/ml ; 0.00264 mol/l |
Class? Solubility class: Log S scale |
Soluble |
Log S (Ali)? Ali: Topological method implemented from |
-2.44 |
Solubility | 0.494 mg/ml ; 0.00366 mol/l |
Class? Solubility class: Log S scale |
Soluble |
Log S (SILICOS-IT)? SILICOS-IT: Fragmental method calculated by |
-3.58 |
Solubility | 0.0359 mg/ml ; 0.000265 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 |
-5.34 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 |
0.0 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) |
1.4 |
* 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 |
---|---|---|
93% | Stage #1: With hydrazine In diethylene glycol at 170℃; for 0.5 h; Stage #2: With potassium hydroxide In diethylene glycol at 20 - 200℃; for 2 h; |
2, 6-Diacetylpyridine (2g) was dissolved in diethyleneglycol(50mut) with hydrazine monohydrate (3.6ml). The reaction mixture was heated at170 C for 30 min. The reaction mixture was then cooled to room temperature for the addition of potassium hydroxide (3.1g), then heated at200 C for 2h when the reaction mixtue lost all colour. The reaction mixture was then cooled to room temperature and poured onto water. The mixture was extracted with ether, organics combined, washed with brine, dried(MgS04) and concentrated to give desired product (1.5g, 93percent), AH(CDCI3) 1.29 (6H, t, J7. 6Hz), 2.76- 2.82 (4H, q, J 7.6Hz), 6.96 (2H, d, J 7.6Hz), 7.50 (1 H, t, J 7.6Hz). |
58% | With sodium hydroxide; hydrazine In diethylene glycol at 120℃; for 16 h; | A mixture of NaOH (14.7 g, 0.37 mol), hydrazine monohydrate (15 ml) and 2,6-diacetylpyridine (6g, 36.8 mmol) suspended in diethylene glycol (27 ml_) was cautiously heated to 120 °C for 16 hours. The mixture was cooled to room temperature and partitioned between H2O and ether. The ether extracts were washed with 1 N NaOH, dried over MgSO4 and concentrated to a clear oil. Flash column chromatography (0percent to 15percent EtOAc in hexanes) gave the product as a clear oil (2.9 g, 58percent). 1H NMR (400 MHz, CDCI3): 5 1.29 (t, J=7.8 Hz, 3 H), 2.80 (d, J=7.8 Hz, 2 H), 6.97 (d, J=2.0 Hz, 2 H), 7.51 (t, J=7.6 Hz, 1 H). 2,6-Diethyl-pyridine has also been prepared as follows:A solution of ethylmagnesium bromide in ethyl ether [prepared from Mg (16.5 g, 0.68 mol) and ethyl bromide (50 mL, 0.68 mol) in 500 ml_ of ether] was added dropwise to a mixture of 2,6-dichloropyridine (50 g, 0.34 mol) and NiCI2(dppp) (1.0 g, 2 mol) in anhydrous ethyl ether(500 mL).at 0 °C unde(r N3 atmosphere. After addition, the resulting mixture was stirred,. , ' >.,"?, '['A V ' "' > 'ambient temperature oveifngh'tj was then heated to reflux for about 3 hours. The suspensiatonwas poured into cushed ice (200 g) and the mixture was saturated with NH4CI. The organic layer was separated and the aqueous phase was extracted with ether (200 mL x 3). The combined organic layers were washed with water, brine, dried over Na2SO4 and concentrated to give the product (41 .1 g, 89percent). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
89% | at 0 - 20℃; Heating / reflux | A mixture of NaOH (14.7 g, 0.37 mol), hydrazine monohydrate (15 ml) and 2,6-diacetylpyridine (6g, 36.8 mmol) suspended in diethylene glycol (27 ml_) was cautiously heated to 120 °C for 16 hours. The mixture was cooled to room temperature and partitioned between H2O and ether. The ether extracts were washed with 1 N NaOH, dried over MgSO4 and concentrated to a clear oil. Flash column chromatography (0percent to 15percent EtOAc in hexanes) gave the product as a clear oil (2.9 g, 58percent). 1H NMR (400 MHz, CDCI3): 5 1.29 (t, J=7.8 Hz, 3 H), 2.80 (d, J=7.8 Hz, 2 H), 6.97 (d, J=2.0 Hz, 2 H), 7.51 (t, J=7.6 Hz, 1 H). 2,6-Diethyl-pyridine has also been prepared as follows:A solution of ethylmagnesium bromide in ethyl ether [prepared from Mg (16.5 g, 0.68 mol) and ethyl bromide (50 mL, 0.68 mol) in 500 ml_ of ether] was added dropwise to a mixture of 2,6-dichloropyridine (50 g, 0.34 mol) and NiCI2(dppp) (1.0 g, 2 mol) in anhydrous ethyl ether(500 mL).at 0 °C unde(r N3 atmosphere. After addition, the resulting mixture was stirred,. , ' >.,"?, '['A V ' "' > 'ambient temperature oveifngh'tj was then heated to reflux for about 3 hours. The suspensiatonwas poured into cushed ice (200 g) and the mixture was saturated with NH4CI. The organic layer was separated and the aqueous phase was extracted with ether (200 mL x 3). The combined organic layers were washed with water, brine, dried over Na2SO4 and concentrated to give the product (41 .1 g, 89percent). |
A105364 [38222-83-2]
2,6-Di-Tert-butyl-4-methylpyridine
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