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CAS No. : | 111198-08-4 | MDL No. : | MFCD00082568 |
Formula : | C8H6N4 | Boiling Point : | - |
Linear Structure Formula : | - | InChI Key : | - |
M.W : | 158.16 | Pubchem ID : | - |
Synonyms : |
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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 |
---|---|---|
93% | With dihydrogen peroxide; potassium carbonate In dimethyl sulfoxide |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
1: 73% 2: 21% | With triethylamine In N,N-dimethyl-formamide at 110℃; for 12h; | |
1: 71.9% 2: 20% | With triethylamine In N,N-dimethyl-formamide at 110℃; for 12h; | |
1: 12% 2: 55% | With sodium methylate 1.) MeOH, DMF, 2.) DMF, heating; |
With triethylamine In N,N-dimethyl-formamide at 110℃; | ||
With triethylamine In N,N-dimethyl-formamide at 110℃; | ||
In ethyl acetate Microwave irradiation; Reflux; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
80% | With sodium ethanolate; benzaldehyde In ethanol for 4h; Heating; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
In ethanol Heating; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
In ethanol Heating; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
In ethanol Heating; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
1: 13.8% 2: 13.8% 3: 18% 4: 38.6% | With triethylamine In toluene for 24h; Heating; Further byproducts given; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
76% | With lithium aluminium tetrahydride In tetrahydrofuran Reflux; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
1: 75% 2: 25% | With potassium carbonate In tetrahydrofuran at 50℃; for 2h; Sonication; | 4.1.1. Procedure for the synthesis of benzotriazolyl acetonitriles 3 and 4 Benzotriazole 1 (1 equiv), K2CO3 (2.2 equiv) and dry THF (30 mL)were combined in a 250 mL flask. Then, bromoacetonitrile 2 (1.2 equiv)was added dropwise and the reaction was left under an ultrasound bathfor 2 h. Reaction course was monitored by TLC analysis. After completion of the reaction, the solvent was removed, and the reaction mixture was washed with water and extracted with ethyl acetate (3 × 30 mL). The organic layer was dried over anhydrous Na2SO4 and concentrated under reduced pressure. Isolation of both isomer products was accomplished by column chromatography using a hexane/EtOAc (2:1) system. 4.1.1.1. 2-(1H-benzo[d][1,2,3]triazol-1-yl)acetonitrile 3. (75%) Beige solid, mp 86-87 C; 1H NMR (400 MHz, CD3OD): δ 5.96 (s, 2H, CH2CN),7.44-7.48 (m, 1H, Harom), 7.59-7.63 (m, 1H, Harom), 7.82 (d, J = 8.4 Hz,1H, Harom), 8.01 (d, J = 8.4 Hz, 1H, Harom); 13C NMR (100 MHz, CD3OD): 36.4, 110.7, 114.9, 120.5, 126.1, 129.8, 133.9, 146.8. HRMS (ESI+)calcd for C8H7N4 [M+H]+ 159.06707, found 159.06712. Lit [63]. 4.1.1.2. 2-(2H-benzo[d][1,2,3]triazol-2-yl)acetonitrile 4. (25%) Beige solid, mp 78-80 °C; 1H NMR (500 MHz, CDCl3): δ 5.68 (s, 2H, CH2),7.44-7.46 (m, 2H, Harom), 7.87-7.89 (m, 2H, Harom); 13C NMR (125MHz, CDCl3): 43.6, 112.3, 118.2, 127.7, 145.1. HRMS (ESI+) calcd forC8H7N4 [M+H]+ 159.06707, found 159.06716. Lit [19,21]. |