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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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CAS No. : | 704-38-1 |
Formula : | C9H6OS2 |
M.W : | 194.27 |
SMILES Code : | O=C(C1=CC=CS1)C2=CC=CS2 |
MDL No. : | MFCD00052096 |
InChI Key : | GUTQMBQKTSGBPQ-UHFFFAOYSA-N |
Pubchem ID : | 69713 |
GHS Pictogram: |
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Signal Word: | Warning |
Hazard Statements: | H315-H319 |
Precautionary Statements: | P305+P351+P338 |
* 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 |
---|---|---|
70% | With copper(II) ferrite; In neat (no solvent); at 80℃; for 24h; | General procedure: The FC acylation of various benzenes with acid chlorides was carried out in the presence of magnetic nano CuFe2O4 (particle size = 50 nm) by using one of the reaction condition (A-D) given below. Condition A: Anisole/arene (1 mmol), acid chloride (1.2 mmol), nano CuFe2O4 (20 mol %), 1,2-DCE (2 mL), 80 C and 24 h. Condition B: Anisole/arene (1 mmol), acid chloride (1.2 mmol), nano CuFe2O4 (20 mol %), 1,2-DCE (2 mL), rt (35-38 C) and 18 h. Condition C: Neat reaction, anisole/arene (3.3 mmol), acid chloride (1.2 mmol), nano CuFe2O4 (20 mol %), rt (35-38 C) and 18 h. Condition D: Neat reaction, arene/anisole (3.3 mmol), acid chloride (1.2 mmol), nano CuFe2O4 (20 mol %), 80 C and 18 h. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
88% | With hydrogenchloride; In ethanol; for 5h;Reflux; | A mixture of di-2-thienyl ketone (500mg, 2.57mmol), 2,4-dinitrophenyl hydrazine (550mg, 2.77mmol), ethanol (200mL) and two drops of concentrated HCl were allowed to reflux for 5h. The reaction mixture was allowed to cool to room temperature. A deep red precipitate was filtered off, washed with hexanes, diethyl ether and dried in air, yield 850mg (88%). Anal. Calc. for C15H10N4O4S2 (%): C 48.12; H 2.69; N 14.96. Found: C 48.68; H 2.76; N 14.89. IR (KBr pellet, cm-1): nu (N-H) 3270, nu(C-H) 3150-3050, nu(C=C and C=N) 1617-1550, nu(Nu=Omicron) 1540-1450, nu(C-N) 1442, N-O) 1330-1270, and nu(C-S bending) 832 and 720. UV-vis (lambda/nm, epsilon±500/M-1 cm-1) in CH2Cl2: 405 (36,700); dmf: 550 (35,600), 405 (8000); dmso: 556 (9600), 415 (17,100). 1H-NMR (at 298K, delta ppm) in d6-dmso: 11.42 (1H, s, NH), 8.86 (1H, s, H33), 8.52 (1H, d, H35), 8.12 (1H, d, H11), 8.04 (1H, d, H36), 7.82 (1H, d, H13), 7.73 (1H, d, H21), 7.46 (1H, t, H12), 7.24 (1H, d, H23), 7.16 (1H, t, H22); d7-dmf: 11.58 (1H, s, NH), 8.96 (1H, s, H33), 8.57 (1H, d, H35), 8.21 (1H,d, H11), 8.17 (1H, d, H36), 7.86 (1H, d, H13), 7.81 (1H, d, H21), 7.53 (1H, t, H12), 7.32 (1H, d, H23), 7.23 (1H, t, H22); CDCl3: 11.59 (1H, s, NH), 9.12 (1H, s, H33), 8.40 (1H, d, H35), 8.15 (1H, d, H36), 7.76 (1H, d, H11), 7.50 (1H, d, H13), 7.45 (1H, d, H21), 7.40 (1H, t, H12), 7.21 (1H, d, H23), 7.08 (1H, t, H22). |