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CAS No. : | 15894-70-9 | MDL No. : | MFCD00128128 |
Formula : | C10H18N8 | Boiling Point : | - |
Linear Structure Formula : | - | InChI Key : | YXZZOMVBHPCKMM-UHFFFAOYSA-N |
M.W : | 250.30 | Pubchem ID : | 85172 |
Synonyms : |
|
Num. heavy atoms : | 18 |
Num. arom. heavy atoms : | 0 |
Fraction Csp3 : | 0.6 |
Num. rotatable bonds : | 11 |
Num. H-bond acceptors : | 4.0 |
Num. H-bond donors : | 6.0 |
Molar Refractivity : | 68.07 |
TPSA : | 143.4 Ų |
GI absorption : | Low |
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) : | -7.67 cm/s |
Log Po/w (iLOGP) : | 2.01 |
Log Po/w (XLOGP3) : | 0.22 |
Log Po/w (WLOGP) : | -0.26 |
Log Po/w (MLOGP) : | -1.05 |
Log Po/w (SILICOS-IT) : | -0.61 |
Consensus Log Po/w : | 0.06 |
Lipinski : | 1.0 |
Ghose : | None |
Veber : | 2.0 |
Egan : | 1.0 |
Muegge : | 1.0 |
Bioavailability Score : | 0.55 |
Log S (ESOL) : | -0.8 |
Solubility : | 39.3 mg/ml ; 0.157 mol/l |
Class : | Very soluble |
Log S (Ali) : | -2.79 |
Solubility : | 0.405 mg/ml ; 0.00162 mol/l |
Class : | Soluble |
Log S (SILICOS-IT) : | -2.88 |
Solubility : | 0.33 mg/ml ; 0.00132 mol/l |
Class : | Soluble |
PAINS : | 0.0 alert |
Brenk : | 4.0 alert |
Leadlikeness : | 1.0 |
Synthetic accessibility : | 2.63 |
Signal Word: | Warning | Class: | N/A |
Precautionary Statements: | P261-P280-P305+P351+P338 | UN#: | N/A |
Hazard Statements: | H302+H312+H332-H315-H319-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 |
---|---|---|
80% | In butan-1-ol; for 8.0h;Reflux; | A solution of 3.78 g (20.0 mmol, 1 equiv) 1,6-hexamethylenediamine dihydrochloride and 3.56 g (40.0 mmol, 2 equiv) sodium dicyanamide in 28 mL n-butanol was heated to reflux for 8 h. After cooling to room temperature, the solid was filtered off and washed with butanol and cold water. Recrystallization from water afforded pure compound 3. Yield: 80%. Melting point: 195 C (Ref.: 202-203 C). 1 1H NMR (300 MHz, [D6]DMSO): delta = 1.23 (m, 4H), 1.39 (m, 4H), 3.02 (m, 4H), 6.63-6.83 (m, 6H) ppm; 13C NMR (100 MHz, [D6]DMSO): delta = 25.9, 28.9, 40.8, 118.4, 161.2 ppm; IR (KBr): = 3372 (s), 3159 (s), 2940 (s), 2940 (m), 2857 (m), 2172 (s), 1650 (s), 1625 (s), 1475 (m), 1439 (s), 1383 (m), 1322 (m), 1128 (m), 928 (w), 733 (w), 689 (w), 561 (m), 541 cm-1 (m); ESI-MS C10H18N8 calcd: 249.2 [M-H+], found: 249.3. |
80% | In butan-1-ol; for 15.0h;Reflux; | A solution of 1,6-hexamethylenediamine dihydrochloride (3.78 g, 20.0 mmol) and sodium dicyanamide (3.56 g, 40.0 mmol) in n- butanol (28 mL) was heated to reflux for 15 h. After cooling to room temperature, the solid was filtered off and washed with butanol and cold water. Recrystallization from water afforded pure l,6-bis(N3-cyano-N1-guamdino)hexane (4 g, 80%). 1H NMR (DMSO-d6): delta 8.06 (brs, 2H, -NH), 6.91 (brs, 4H, -NH), 3.00 (t, 4H, JAB = 7.5 Hz, -CH2), 1.69-1.65 (m, 4H, -CH2), 1.42-1.41 (m, 4H, -CH2). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
59.6% | The compound identified in the foregoing table as ?Compound Number 1?, the structure of which is shown above, was synthesized as follows: A mixture of 0.25 g (0.001 mol) of 1,6-dicyanoguanidinylhexane, 0.33 g (0.002 mol), of N,N-dimethylamino-N-propylamine 2 HCl. and 4 drops of N-methylpyrolidinone was reacted in a sealed vial at 158 C. for 5 hours. After cooling, the reaction mixture was dissolved in methanol and precipitated out with acetone. The residue was then deprotonated with diisopropylethylamine in ethanol and precipitated out with acetone to afford 0.300 g (56.9%) of an intermediate compound (referred to herein as ?Intermediate 1?). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With ammonium chloride; In water; at 160℃; for 2.0h; | Hexamethylenediamine dihydrochloride (1.48g; 8x10-3mol), 2% aqueous ammonium chloride solution (0.5ml), HMBDA (2g; 8x10-3mol) and Marker 1 (3.48x10-3g) were added to a boiling tube. The mixture was then heated.at 160C for 2 hours. The resulting product was then dissolved in water (4ml) to stop the co-polymerisation, and the temperature reduced to 70C. More water (4ml) and Celite filter aid (0.3g) were added. The mixture was filtered and the volume made up to 15mL to give the title product as a 20% aqueous solution. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With hydrogenchloride; In water; at 135℃; | HEXAMETHYLENEBISCYANOGUANIDINE (3.99 mmoles, 1.00 g) and 1,9- diaminononane (3.99 mmoles, 0.623 g) were added to a 40 ml vial with a septa-cap followed by 2 equivalents of concentrated HCI. The mixture was heated to 135-145 C in a shaker overnight. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With hydrogenchloride; In water; at 165℃; for 3.0h; | Hexamethylene biscyano guanidine (4.00 mmoles, 1. 00 g) and 1,3- aminoguanidine (4.00 mmoles, 0.502 g) were added to a 40 ML vial with a septa-cap followed by 2 equivalents of concentrated HC1. The mixture was heated to 165 C in an oil-bath for 3 hours. An orange solid was obtained. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With hydrogenchloride; In water; at 135 - 145℃; | Hexamethylenebiscyanoguanidine (3.99 mmoles, 1.00 g) and 4, 9-dioxa- 1, 12-DODECANEDIAMINE (3.99 mmoles, 0.848 ml) were added to a 40 ml vial with a septa-cap followed by 2 equivalents of concentrated HCL. The mixture was heated to 135-145 C in a shaker overnight. A clear yellow, brittle solid was obtained. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With hydrogenchloride; hydrazine; In water; at 165℃; for 3.0h; | Hexamethylene BISCYANO guanidine (4.00 mmoles, 1. 00 g) and hydrazine (4. 00 mmoles, 0.274 g) were added to a 40 mL vial with a septa-cap followed by 2 equivalents of concentrated HCI. The mixture was heated to 165 C in an oil-bath for 3 hours. A pink foam was obtained. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
48% | at 155℃; for 2.0h; | General procedure: 63.0 mg (0.25mmol, 1equiv) 1,6-di-(N3-cyano-N1-guanidino)hexane 3 and 82.9mg (0.5mmol, 2equiv) (S)-2-ethylhexylamine hydrochloride 2 (for synthesis of (S,S)-1) or (R)-2-ethylhexylamine hydrochloride (R)-2 (for synthesis of (R,R)-1) were thoroughly mixed and heated to 155C for 2h. After completion of the reaction, the crude product was recrystallized from ethanol-ether. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
60% | at 155℃; for 2.0h; | General procedure: 63.0 mg (0.25mmol, 1equiv) 1,6-di-(N3-cyano-N1-guanidino)hexane 3 and 82.9mg (0.5mmol, 2equiv) (S)-2-ethylhexylamine hydrochloride 2 (for synthesis of (S,S)-1) or (R)-2-ethylhexylamine hydrochloride (R)-2 (for synthesis of (R,R)-1) were thoroughly mixed and heated to 155C for 2h. After completion of the reaction, the crude product was recrystallized from ethanol-ether. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
at 95℃; for 6h; | Example 3 Add 11.6g (0.1mol) of hexamethylenediamine and 150.8g of n-butanol to the reaction vessel, and add 20.9g of 36% hydrochloric acid dropwise with stirring;Add 23.2g (0.261mol) of sodium dicyandiamide, 4.5g of triethylamine, and keep the reflux reaction at 115C for 4h; after the reaction is over, add 28g ofChloroaniline, 22.5g 36% hydrochloric acid was added dropwise stirring, 95C oil bath insulation for 6h; after the reaction is over, add 30g 30% liquid caustic soda for alkalization, coolAfter cooling, crystallization and filtration, the crude chlorhexidine base was obtained. The crude product obtained was washed with methanol, suction filtered, and dried to obtain 34 g of chlorhexidine base, with a yield68%, 99.7% content. |
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