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CAS No. : | 58687-83-5 | MDL No. : | MFCD05666729 |
Formula : | C9H14N2O2S | Boiling Point : | - |
Linear Structure Formula : | - | InChI Key : | PEDHCXVSNZZLSR-UHFFFAOYSA-N |
M.W : | 214.29 | Pubchem ID : | 2065546 |
Synonyms : |
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Signal Word: | Danger | Class: | 8 |
Precautionary Statements: | P261-P280-P305+P351+P338-P310 | UN#: | 1759 |
Hazard Statements: | H302-H314 | Packing Group: | Ⅲ |
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 |
---|---|---|
With hydrogenchloride | ||
With sodium hydroxide; water for 1h; Reflux; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With pyridine |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Multi-step reaction with 2 steps 1: potassium carbonate; water 2: aqueous hydrochloric acid |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
95% | In butan-1-ol for 3h; Reflux; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
80% | In N,N-dimethyl-formamide at 20℃; for 0.25h; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
88% | In benzene for 5h; Reflux; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
90% | In butan-1-ol for 3h; Reflux; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
42% | With potassium carbonate at 20℃; for 120h; | Formation of compound 11: 4-amino-N-(propyl)benzenesulfonamide To a solution of 172 mg of sulfanilamide (1 mmol) and 304 mg of K2CO3 (2.2 mmol) in 2.5 mL of DMF was added dropwise 91 μL of 1-bromopropane (1 mmol). The mixture was stirred at room temperature for 5 days. Then, DMF was evaporated and the crude was dissolved with water and the solution was extracted with ethylacetate ( 3). The combined organic phases were dried (MgSO4) and concentrated in vacuo. The crude mixture was purified by combi-flash with the eluent petroleum ether/ethylacetate: 70/30, thereby obtaining compound 11 (90 mg, 42%) as a white solid (mp: 80-82 °C). 1H NMR (CDCl3, 400 MHz, ppm) δ: 0.83 (t, CH3, J = 7.4 Hz, H3'), 1.45 (qt, CH2, J = 7.3 Hz, J = 7.2 Hz, H2’), 2.78 (dd, CH2, J = 7.1 Hz, J = 6.3 Hz, H1'), 5.39 (broad s, 2H, SO2NH2), 6.02 (t, 1H, J = 6.1 Hz, NH), 6.74 (d, 2CH, J = 8.8 Hz, H3 and H5), 7.53 (d, 2CH, J = 8.7 Hz, H2, H6). 13C NMR (CDCl3, 100 MHz, ppm) δ: 11.5 (CH3, C3'), 23.4 (CH2, C20), 45.5 (CH2, C1'), 113.9 (2CH, C3 and C5), 127.9 (C1), 129.5 (2CH, C2 and C6), 153.0 (C4). MS (IES+, ACN): m/z 215 [M+H]+, 137 [M+Na]+. HRMS (ESI, CH3OH): m/z 237.0672 (m/z theoretical: 237.06737) [M+Na]+. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With magnesium(II) perchlorate In acetonitrile at 20℃; for 16h; Inert atmosphere; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
0.09 g | In acetone Reflux; | 50 4.6.3. General procedure C (step 3) General procedure: 4-Phenylbenzoyl chloride (15, 1.2 mmol, 1-1.2 eq) in acetone (10 mL) was added slowly to a mixture of potassium thiocyanate (1-1.2 eq) in acetone (10 mL). The reaction mixture was refluxed 1.5-3 h and the reaction was monitored by TLC. The reaction mixture was cooled down to rt and an appropriate benzenesulfonamide or benzamide analog (14a-q, 1 eq) in acetone (10 mL) was slowly added. The reaction mixture was refluxed for 2-4 h orovernight. When starting material was disappeared (detected by TLC plate), the mixture was poured on ice cold water which pH was adjusted to 5 with HCl. If the product crystallized, it was filtered and washed with small amount of cold water. Otherwise the mixture was extracted with EA. The product was purified by column chromatography, recrystallization or washing with hexane. 4.6.4.50 N-((4-(N-Propylsulfamoyl)phenyl)carbamothioyl)-[1,1'-biphenyl]-4-carboxamide (17o) From 14o (0.11 g, 0.5 mmol) with general procedure C. Light yellow solid (0.09 g, 38%). 1H NMR (DMSO-d6): δ 0.81 (3H, t, J = 7.3 Hz), 1.39 (2H, m), 2.73 (2H, m), 7.45 (1H, t, J = 7.3 Hz), 7.53 (2H, t, J = 7.5 Hz), 7.60 (1H, t, J = 5.8 Hz), 7.78 (2H, d, J = 7.4 Hz), 7.82 (2H, d, J = 8.5 Hz), 7.86 (2H, d, J = 8.5 Hz), 7.98 (2H, d, J = 8.4 Hz), 8.10 (2H, d, J = 8.4 Hz), 11.73 (1H, s), 12.78 (1H, s); 13C NMR (DMSO-d6): δ 11.1, 22.4, 44.4, 124.3, 126.6, 127.0, 127.1, 128.5, 129.1, 129.5, 130.8, 137.7, 138.7, 141.3, 144.6, 167.8, 179.3; ESI-MS 452.00 [M-H]-; Anal. Calcd for C23H23N3O3S2: C 60.90, N 9.26, H 5.11, S 14.14; found: C 60.83, N 9.29, H 5.27, S 13.33. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Multi-step reaction with 2 steps 1: pyridine / dichloromethane / 20 °C 2: hydrogenchloride; tin / ethanol; water / Reflux | ||
Multi-step reaction with 2 steps 1: triethylamine / dichloromethane / 3 h / 0 - 20 °C 2: palladium 10% on activated carbon; hydrogen / ethyl acetate / 18 h |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
100% | With hydrogenchloride; tin In ethanol; water Reflux; | 32 4.6.2. General procedure B (step 2) General procedure: Concentrated HCl (10-15 ml) was added slowly to a mixture of 4-nitrobenzenesulfonamide or 4-nitrobenzamide analog (13a-q,1.4 mmol, 1 eq) and Sn granules (2-2.5 eq) in ethanol (10 mL). The reaction mixture was refluxed for 3.5-6 h. When the TLC plates howed that there is no more starting material left, the reaction mixture was cooled down to rt. NaOH (30% or 5M, aq) was added to the mixture until it became basic. The mixture was extracted with EA or DCM and the organic layer was dried with Na2SO4. The solvent was evaporated. The product was purified with column chromatography when required. 4.6.4.32 4-Amino-N-propylbenzenesulfonamide (14o) From 13o (0.75 g, 3.1 mmol) with general procedure B. Solid (0.84 g, 100%) that was used without further purification. 1H NMR (DMSO-d6): δ 0.78 (3H, t, J = 7.4 Hz), 1.34 (2H, m), 2.60 (2H, t, J = 7.0 Hz), 5.87 (2H, s), 6.60 (2H, d, J = 8.7 Hz), 7.03 (1H, s), 7.40 (2H, d, J = 8.7 Hz). |
95% | With palladium 10% on activated carbon; hydrogen In ethyl acetate for 18h; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
95% | With copper(II) sulfate In methanol for 3h; Reflux; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
24% | With pyridine at 120℃; for 1h; Microwave irradiation; | 175 Example 175 2-(piperidin-l-yl)-N-(4-(N-propylsulfamoyl)phenyl)benzenesulfonamide General procedure: A solution of 4-amino-N-propylbenzenesulfonamide (0.107 g, .5 mmol) in Pyridine (E000 ml) was treated with 2-(piperidin-l-yl)benzenesulfonyl chloride (0.130 g, 0.500 mmol). The solution was stirred at 120° C for 1 hour. The crude product was purified by reversed-phase chromatography (4-100% CEECN over 15 min) to give desired product (0.107g, 24% yield). (LCMS, ESI pos.) Calculated for C20H27N3O4S2: 438.6 (M + H), Measured: 438.1. |