Structure of 58573-93-6
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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. : | 58573-93-6 |
Formula : | C19H23Br |
M.W : | 331.29 |
SMILES Code : | CCCCCCCC1=CC=C(C2=CC=C(Br)C=C2)C=C1 |
MDL No. : | MFCD00060107 |
InChI Key : | RJQRJLCQHIMUQO-UHFFFAOYSA-N |
Pubchem ID : | 618710 |
GHS Pictogram: |
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Signal Word: | Warning |
Hazard Statements: | H302-H315-H319-H335 |
Precautionary Statements: | P261-P280-P301+P312-P302+P352-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 |
---|---|---|
28.4% | With sodium t-butanolate;tris-(dibenzylideneacetone)dipalladium(0); 2,2'-bis-(diphenylphosphino)-1,1'-binaphthyl; In toluene; at 80℃; for 48h; | Example 1.18; Preparation of (4-Bromo-2-methyl-2H-pyrazol-3-yl)-(4'-heptyl-biphenyl-4-yl)-amine (Compound 12).A 20-mL scintillation vial was charged with 4'-bromo-4-heptyl-biphenyl (331.2 mg, 1 mmol), 3-amino-4-bromo-2-methyl pyrazole (176.0 mg, 1 mmol), sodium fert-butoxide (134.5 mg, 1.4 mmol), tris(dibenzylideneacetone)dipalladium(0) (45.8 mg, 0.05 mmol), BESfAP (62.3 mg, 0.1 mmol) and toluene (2 mL) under nitrogen atmosphere. The reaction mixture was heated at 8O0C for 48 hours. It was then allowed to cool to room temperature, taken up in ether/ethyl acetate, filtered and concentrated. The crude material was subjected to column chromatography on silica gel (Biotage, eluent hexanes/ethyl acetate 70/30) to afford Compound 12 as a yellow solid. Yield: 121.3 mg (28.4 %). LCMS m/z (%) = 384 (M+H 79Br, 100), 386 (M+H 81Br, 97). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
1.7 g (62.1%) | Except that 3.9 g of 4-heptyl-4'-bromobiphenyl was used in place of 4.3 g of 4-octyloxy-4'-bromobiphenyl used in Example 12 (d), the operation was performed in the same manner as in Example 12 to obtain 1.7 g (62.1%) of (R)-4-(1-methylhexyl)oxy-3-fluoro-4"-heptyl-p-terphenyl. The purity of this product was at least 99% by HPLC. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
83.55% | With tetrakis(triphenylphosphine) palladium(0); sodium carbonate; In 1,2-dimethoxyethane; at 120℃; for 2h;Inert atmosphere; Reflux; | General procedure: 1,2-dimethoxyethene (150 ml) and sodium carbonate (2 M, 150 ml) were added to diflouroboronic acid (4.79 g, 30.33 mmol, 158 g/mol) and 4-bromo-4′′pentylbiphenyl (7.07 g, 23.33 mmol, 303 g/mol) under dry nitrogen with continuous stirring. Tetrakis (triphenylphosphine) palladium (0) (0.1348 g, 0.11 mmol, 1156 g/mol) was added. The stirred mixture was heated under reflux (ca. 120 C) for 2 h (i.e., until g. L .c/ t. l. c. analysis revealed a complete reaction). Reaction mixture was cooled to room temperature and 100 ml water was added. The product was extracted into 200 ml ether (twice) and the combined ethereal extracts were washed with brine and dried (MgSO4), the most of it filtered off by pressure. The solvent was removed in vacuo. The dry product was purified by addition to a packed chromatography column of silica gel [silica gel, Hexane] to yield white product. Product was re-crystallised through ethanol. It was put in the desiccators overnight. Yield (6.47 g, 82.53%).M.P. 97.5 C (from EtOH). Elemental analysis: (Found: C, 82.40; H, 6.74 . Calc. for C23H22F2: C, 82.11; H, 6.59%);m/z 336 (M+), 292, 279 (100%),165, 151; transitions / C K 95.8 (25.79 J/g) SmA 108.8 (18.98 J/g) I;IR (KBr) υmax/c- 1 2927 (CH), 1473, 1398, 1264, 1216, 1100, 897, 817, 785, 721; δH(400 MHz;CDCl3) 0.80 (3H,t,J 7,CH3CH2), 1.19-.27 (8H, m), 1.57 (2H, quint, J7.7, ArCH2CH2), 2.57 (2H, t, J7.9, ArCH2), 7.02 (1H, ddd, J 6.8, 6.6, 1.5, 20H), 7.16 (1H, ddd, J 6.8, 6.4, 1.6, 19H),7.47 (2H,d,J 8.1), 7.52 (2H, dd, J 8.2, 1.5), 7.59 (2H, d, J8.2),;(δF(376; CDCl3)) - 143.30 (1F, dd, JF,F20.81, JF,H6.9), - 143.88 (1F, dd, JF,F18.5, JF,H6.9);δC(100.5;CDCl3) 14.10, 22.68, 29.20, 29.34, 31.50, 31.82, 35.64, 116.0 (d, J 16.9), 124.08 (dd, JC,F 5.4, 4.6), 125.20 (dd, JC,F 3.8, 1.5), 126.93, 127.11, 128.92, 129.27 (d JC,F 3.1), 130.83, 131.00, 133.26 (d, JC,F 4.6), 137.75, 141.00, 142.51 |