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CAS No. : | 774608-89-8 | MDL No. : | MFCD11040185 |
Formula : | C5H6BrN3O2 | Boiling Point : | - |
Linear Structure Formula : | - | InChI Key : | IKUFDPUSUXPOAC-UHFFFAOYSA-N |
M.W : | 220.02 | Pubchem ID : | 52987615 |
Synonyms : |
|
Num. heavy atoms : | 11 |
Num. arom. heavy atoms : | 5 |
Fraction Csp3 : | 0.4 |
Num. rotatable bonds : | 3 |
Num. H-bond acceptors : | 4.0 |
Num. H-bond donors : | 1.0 |
Molar Refractivity : | 40.17 |
TPSA : | 67.87 Ų |
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) : | -6.53 cm/s |
Log Po/w (iLOGP) : | 1.1 |
Log Po/w (XLOGP3) : | 1.56 |
Log Po/w (WLOGP) : | 0.74 |
Log Po/w (MLOGP) : | 0.0 |
Log Po/w (SILICOS-IT) : | 1.38 |
Consensus Log Po/w : | 0.96 |
Lipinski : | 0.0 |
Ghose : | None |
Veber : | 0.0 |
Egan : | 0.0 |
Muegge : | 0.0 |
Bioavailability Score : | 0.55 |
Log S (ESOL) : | -2.33 |
Solubility : | 1.04 mg/ml ; 0.00473 mol/l |
Class : | Soluble |
Log S (Ali) : | -2.6 |
Solubility : | 0.559 mg/ml ; 0.00254 mol/l |
Class : | Soluble |
Log S (SILICOS-IT) : | -2.2 |
Solubility : | 1.38 mg/ml ; 0.00625 mol/l |
Class : | Soluble |
PAINS : | 0.0 alert |
Brenk : | 0.0 alert |
Leadlikeness : | 1.0 |
Synthetic accessibility : | 2.33 |
Signal Word: | Warning | Class: | N/A |
Precautionary Statements: | P261-P280-P305+P351+P338 | UN#: | N/A |
Hazard Statements: | H302-H315-H319-H332-H335 | Packing Group: | N/A |
GHS Pictogram: |
* 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 methanol; diethyl ether; at 0 - 20℃; | Ethyl 5-bromo-2H-1 ,2,4-triazole-3-carboxylate (Hechung Huaxue, 2004, 12(2), 191-193, Chem. Abs. 141 :350095) (3.11 g, 14 mmol) was dissolved in methanol (50 ml) and cooled to 0 0C. Trimethylsilyl diazomethane (-14 ml of a 2 M solution in ether) was added until a pale yellow colour persisted and the reaction was warmed to room temperature and quenched by the addition of excess acetic acid. It was then evaporated and the residue was partitioned between ethyl acetate and saturated sodium bicarbonate. The organic extract was dried, filtered and evaporated to yield a residue which was purified and separated into its three isomers by silica chromatography using ethyl acetate / petrol. Isomer A (least polar) (1.2 g, 5.1 mmol). 1H NMR (DMSO) delta 4.36 (2 H, q, J = 7 Hz), 4.10 (3 H, s), 1.32 (3 H, t, J=V Hz)Isomer B (medium polarity) (0.47 g, 2.0 mmol). 1H NMR (DMSO) 64.31 (2 H, q, J = 7 Hz), 3.92 (3 H, s), 1.29 (3 H, t, J = 7 Hz) Isomer C (most polar) (0.37 g, 1.6 mmol). 1H NMR (DMSO) 54.38 (2 H, q, J = 7 Hz), 3.82 (3 H, s), 1.33 (3 H, t, J = 7 Hz) Combined yield 62 %. |
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