Structure of 60518-41-4
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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.
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CAS No. : | 60518-41-4 |
Formula : | C9H8ClN |
M.W : | 165.62 |
SMILES Code : | ClC1=CC2=C(C=C1)CCN=C2 |
MDL No. : | MFCD29035127 |
InChI Key : | QVPMZULEYMEMKH-UHFFFAOYSA-N |
Pubchem ID : | 19748121 |
GHS Pictogram: |
![]() |
Signal Word: | Warning |
Hazard Statements: | H302-H315-H320-H335 |
Precautionary Statements: | P261-P280-P301+P312-P302+P352-P305+P351+P338 |
Num. heavy atoms | 11 |
Num. arom. heavy atoms | 6 |
Fraction Csp3 | 0.22 |
Num. rotatable bonds | 0 |
Num. H-bond acceptors | 1.0 |
Num. H-bond donors | 0.0 |
Molar Refractivity | 51.09 |
TPSA ? Topological Polar Surface Area: Calculated from |
12.36 Ų |
Log Po/w (iLOGP)? iLOGP: in-house physics-based method implemented from |
2.07 |
Log Po/w (XLOGP3)? XLOGP3: Atomistic and knowledge-based method calculated by |
1.96 |
Log Po/w (WLOGP)? WLOGP: Atomistic method implemented from |
1.93 |
Log Po/w (MLOGP)? MLOGP: Topological method implemented from |
2.28 |
Log Po/w (SILICOS-IT)? SILICOS-IT: Hybrid fragmental/topological method calculated by |
3.76 |
Consensus Log Po/w? Consensus Log Po/w: Average of all five predictions |
2.4 |
Log S (ESOL):? ESOL: Topological method implemented from |
-2.51 |
Solubility | 0.517 mg/ml ; 0.00312 mol/l |
Class? Solubility class: Log S scale |
Soluble |
Log S (Ali)? Ali: Topological method implemented from |
-1.84 |
Solubility | 2.37 mg/ml ; 0.0143 mol/l |
Class? Solubility class: Log S scale |
Very soluble |
Log S (SILICOS-IT)? SILICOS-IT: Fragmental method calculated by |
-3.65 |
Solubility | 0.0372 mg/ml ; 0.000224 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 |
-5.92 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) |
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 |
---|---|---|
Similarly, replacing 3,4-dihydroisoquinoline with the following compounds of formula (III): ... 6,7-di-n-butoxy-3,4-dihydroisoquinoline; 7,8-methylenedioxy-3,4-dihydroisoquinoline; 5,6-methylenedioxy-3,4-dihydroisoquinoline; 8-chloro-3,4-dihydroisoquinoline; 7-chloro-3,4-dihydroisoquinoline; 6-chloro-3,4-dihydroisoquinoline; 5-chloro-3,4-dihydroisoquinoline; 6-bromo-3,4-dihydroisoquinoline; ... | ||
and following the procedures of Preparation 1A and 1B above, the following corresponding compounds of formula (2) are made: ... 6,7-dihydroxy-3,4-dihydroisoquinoline; 6,7-diethoxy-3,4-dihydroisoquinoline; 6,7-di-n-butoxy-3,4-dihydroisoquinoline; 5,6-methylenedioxy-3,4-dihydroisoquinoline; 7-chloro-3,4-dihydroisoquinoline; 6-chloro-3,4-dihydroisoquinoline; 7-fluoro-3,4-dihydroisoquinoline; and 6-fluoro-3,4-dihydroisoquinoline. | ||
Similarly, replacing 3,4-dihydroisoquinoline with the following compounds of formula (III): ... 5,6-methylenedioxy-3,4-dihydroisoquinoline; 8-chloro-3,4-dihydroisoquinoline; 7-chloro-3,4-dihydroisoquinoline; 6-chloro-3,4-dihydroisoquinoline; ... |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
915 mg | With manganese(IV) oxide; In dichloromethane; at 20℃; for 16h; | Example 32: 7-Chloro-3,4-dihydroisoquinoline Int-50 [00379] To a solution of 7-chloro-l ,2,3,4-tetrahydro-isoquinoline ( 1.15 g, 6.86 mmol) in DCM (70.0 mL, 1090 mmol) was added Mn02 (5.96 g, 68.6 mmol) at rt, and the mixture was stirred for 16h. The reaction was filtered through a Celite pad and the residual solid was rinsed with DCM several times. The filtrate was concentrated in vacuo and the residue was purified by ISCO silica gel column chromatography (40g, eluting with 50% EtOAc in DCM, 50mL/min flow) to give 915 mg of the title compound as colorless solid. NMR (400 MHz, DMSO-d6) delta 8.35 (t, J = 2.1 Hz, 1H), 7.52 (d, J = 2.2 Hz, 1H), 7.46 (dd, J = 8.0, 2.3 Hz, 1H), 7.28 (d, J = 8.0 Hz, 1H), 3.70 - 3.63 (m, 2H), 2.71 - 2.65 (m, 2H). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
50 g; 51.5 g | Step 1: (lS)-7-Chloro-l-[5-(l,3-dioxolan-2-yl)-2-methyl-3-thienyl]-l,2,3,4- tetrahydroisoquinoline and (lR)-7-chloro-l-[5-(l,3-dioxolan-2-yI)-2-methyl-3-thienyl]-l,2,3,4- tetrahydroisoquinoline [00992] To a solution of 2-(4-bromo-5-methyl-2-thienyl)-l ,3-dioxolane (90.3 g, 362 mmol) in THF (500 mL) was added dropwise 2.50 M of n-BuLi ( 193 mL, 483 mmol) at -78 C under an atmosphere of N2, and the mixture was allowed to stir at -78C for 20 min. Another reaction vessel was charged with <strong>[60518-41-4]7-chloro-3,4-dihydroisoquinoline</strong> (40 g, 242 mmol) and the contents were dissolved in THF ( 1.3L). To this solution was added dropwise BF3-Et20 (32.8 mL, 265.7 mmol) at -30C, and the solution was allowed to stir for 10 min. To this mixture was added dropwise the previous lithiated mixture via cannula and the resulting mixture was allowed to stir at -30C for 30 min. Then the reaction mixture was allowed to warm to 0C and stirred for 1 h. The reaction was quenched by addition of saturated aqueous NaHC03, and the mixture was extracted with EtOAc (500 mL x 3). The combined organic layers were washed with brine, dried over Na2S04, filtered, and concentrated in vacuo. The above procedure was perfomed on the same scale two additional times. The residues from all three procedures were then combined and purified by silica gel chromagraphy, eluting with a 85/15 to 0/100 pentane/EtOAc gradient to provide a yellow solid. The resulting solid was washed with pentane of to provide the racemic mixture (1 10 g, 45%) as a yellow solid. The racemic mixture was separated into the individual component enantiomers by chiral chromatography (SFC: CHIRALPAK AD 50x300mm with 35/65 0.1 % NH4OH in MeOH/C02, 200 mL/min, 10 MPa) to obtain 51.5 g (99.7% ee) of (lR)-7- chloro- l -[5-( l ,3-dioxolan-2-yl)-2-methyl-3-thienyl]- l ,2,3,4-tetrahydroisoquinoline as first elute (retention time 3.7 min, LCMS: (AA) M+ l 336.0) and 50.0g (99.7% ee) of (l S)-7-chloro- l -[5- ( l ,3-dioxolan-2-yl)-2-methyl-3-thienyl]-l ,2,3,4-tetrahydroisoquinoline as second elute (retention time 4.8 min, LCMS: (AA) M+l 336.0). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
45% | Step 1: 7-Chloro-l-[5-(l,3-dioxolan-2-yl)-2-methyl-3-thienyl]-l,2,3,4-tetrahydroisoquinoline [00714] An oven-dried 2-neck 250 mL round bottom flask under nitrogen was charged with THF (40 mL) and cooled to -74 C . Added 2.50 M ra-BuLi in hexane (6.92 mL, 17.3 mmol). Added a solution of Int-1 (4.00 g, 16.0 mmol) in THF (60 mL) slowly keeping the internal temperature less than -70 C . Stirred with cooling 5 min. A second oven-dried 250 mL round bottom flask under nitrogen was charged with THF (60 mL) and Int-50 (2.04 g, 12.4 mmol) and the resulting solution was cooled to 0 C . Added boron trifluoride diethyl ether complex ( 1.71 mL, 13.6 mmol) slowly and cooled to -30 C . The contents of the first flask were transferred via cannula to the second flask. Reaction was quenched with saturated aqueous NaHC03 and warmed to rt. Water was added, and the mixture was extracted three times with EtOAc. Combined organic portions were washed with brine, dried over anhydrous Na2S04, filtered, and concentrated in vacuo. Residue was purified via flash column chromatography eluting with a hexane / EtOAc gradient (0 to 100% EtOAc) to afford the title compound as a white solid ( 1.88g, 45%). NMR (400 MHz, Chloroform-d) delta 7.17 - 7.01 (m, 2H), 6.83 - 6.61 (m, 2H), 5.92 (s, 1H), 5.09 (s, 1H), 4.17 - 4.04 (m, 2H), 4.03 - 3.92 (m, 2H), 3.37 - 3.25 (m, 1H), 3.13 - 2.91 (m, 2H), 2.82 - 2.69 (m, 1H), 2.46 (s, 3H). LCMS: (AA) M+l 336.1 |
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