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Type | HazMat fee for 500 gram (Estimated) |
Excepted Quantity | USD 0.00 |
Limited Quantity | USD 15-60 |
Inaccessible (Haz class 6.1), Domestic | USD 80+ |
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Structure of 181075-66-1
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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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Search for reports by entering the product batch number.
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Search for reports by entering the product batch number.
Batch number can be found on the product's label following the word 'Batch'.
Search for reports by entering the product batch number.
Batch number can be found on the product's label following the word 'Batch'.
Search for reports by entering the product batch number.
Batch number can be found on the product's label following the word 'Batch'.
CAS No. : | 181075-66-1 |
Formula : | C8H17NO2 |
M.W : | 159.23 |
SMILES Code : | CC(C)C[C@H](N)CC(OC)=O |
MDL No. : | MFCD20921740 |
InChI Key : | LLLSCIXQSDYKEB-ZETCQYMHSA-N |
Pubchem ID : | 12989106 |
GHS Pictogram: |
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Signal Word: | Danger |
Hazard Statements: | H314 |
Precautionary Statements: | P280-P305+P351+P338-P310 |
Class: | 8 |
UN#: | 3259 |
Packing Group: | Ⅲ |
* 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 |
---|---|---|
58% | To a well-stirred solution of carboxylic acid 8 (500 mg, 1.5 mmol) in dry DMF (10 mL) at 0 C under nitrogen, HOBt(310 mg, 2.3 mmol), EDC (450 mg, 2.89 mmol), and DIEA (0.60 mL, 452 mg, 3.9 mmol) were added consecutively. After 15 min stirring at 0 C, a solution of methyl (S)-3-amino-5-methylhexanoate (850 mg, 5.3 mmol) and DIEA (0.6 mL, 452mg, 3.9 mmol) in dry DMF (2 mL) was added. The reaction mixture was stirred at ambient temperature for 3 days and poured into water (125 mL). The solution was acidified to pH 3 by the addition of 2.0 M aqueous HCl and extracted with ethyl acetate (2 x 250 mL). The combined organic phase was washed with saturated sodium bicarbonate (2 x 200 mL) and brine (200 mL), dried over sodium sulfate, filtered, and evaporated. Purification of the residue by FC on Florisil (20% ethyl acetate in hexane) yielded 420 mg (58%) of the title product 9 as a pale brown oil, Rf = 0.36 (ethyl acetate/toluene, 1:1); [α]D25 = 23.7 (c = 0.002, CHCl3). 1H NMR (400 MHz, C6D6): = 8.58 (s, 1 H, 4-HBZM), 8.16 (d, J = 8.4 Hz, 1 H, 6-HBZM), 7.17-7.13 (m, 2 H, NH + 7-HBZM), 6.78 (d, J = 5.2 Hz, 1 H, 5-HTh), 6.70 (d, J = 2.0 Hz, 1 H, 3-HTh), 6.66-6.64 (m, 1H, 4-HTh), 4.87-4.81 (m, 1 H, CONHCH), 4.24 (s, 2 H,CBZMCH2CTh), 3.76-3.70 (m, 1 H, NBZMCH), 3.32 (s, 3 H,CH3O), 2.54-2.45 (m, 2 H, CH3O2CCH2), 1.74-1.66 (m, 1 H,CH(CH3)2), 1.63-1.54 [m, 3 H, CHaHbCH(CH3)2 + CH2CH3],1.41-1.31 (m, 2 H, CH2CH3), 1.28-1.21 [m, 1 H,CHaHbCH(CH3)2], 0.95 [d, J = 6.4 Hz, 3 H, CH(CH3)CH3],0.84 [d, J = 6.4 Hz, 3 H, CH(CH3)CH3], 0.34 (t, J = 7.2 Hz, 6H, 2 CH2CH3) ppm. 13C NMR (100 MHz, C6D6): = 172.4(CO2CH3), 167.0 (CONH), 154.7 (2-CBZM), 143.7 (9-CBZM),139.3 (2-CTh), 136.0 (8-CBZM), 129.7 (5-CBZM), 127.1 (4-HCTh), 126.5 (3-HCTh), 124.9 (5-HCTh), 122.8 (6-HCBZM),119.1 (4-HCBZM), 111.9 (7-HCBZM), 60.7 (NBZMCH), 51.2(CH3O), 45.2 (CONHCH), 43.9 [CH2CH(CH3)2], 39.8(CH3O2CCH2), 29.6 (CThCH2), 26.7 (2 CH2CH3), 25.5[CH(CH3)2], 23.3 [CH(CH3)CH3], 22.3 [CH(CH3)CH3], 10.8(2 CH2CH3) ppm. HRMS (ESI): calcd. for C26H36N3O3S+[M +H+]: 470.2472; found: 470.2479. |