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CAS No. : | 174180-57-5 | MDL No. : | MFCD22412488 |
Formula : | C9H9BrN2 | Boiling Point : | - |
Linear Structure Formula : | - | InChI Key : | RCHJAMWXOFEHBQ-UHFFFAOYSA-N |
M.W : | 225.09 | Pubchem ID : | 10775548 |
Synonyms : |
|
Signal Word: | Danger | Class: | 8 |
Precautionary Statements: | P501-P260-P270-P264-P280-P303+P361+P353-P301+P330+P331-P363-P301+P312+P330-P304+P340+P310-P305+P351+P338+P310-P405 | UN#: | 1759 |
Hazard Statements: | H302-H314 | Packing Group: | Ⅱ |
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 |
---|---|---|
In hexane; water; ethyl acetate; N,N-dimethyl-formamide; toluene; acetonitrile; | Example 44 N-Isopropyl-N-(4-methoxy-phenyl)-2-[3-(1-methyl-1H-indazol-3-ylmethyl)-2,4-dioxo-5-phenyl-2,3,4,5-tetrahydro-benzo[b][1,4]diazepin-1-yl]acetamide To a stirring solution of 330 mg (0.73 mmol) of 2-(2,4-dioxo-5-phenyl-2,3,4,5-tetrahydro-benzo[b][1,4]diazepin-1-yl)-N-isopropyl-N-(4-methoxy-phenyl) acetamide, prepared as in Intermediate 4, in 10 mL DMF at 0 C. is added dropwise over 5 min 1.75 mL (0.87 mmol, 1.1 equiv) of a 0.5M solution of KN(TMS)2 in toluene. The resulting solution is stirred 10 min, then a solution of 180 mg (1.18 mmol, 1.1 equiv) of <strong>[174180-57-5]1-methyl-3-bromomethyl-1H-indazole</strong> in 3 mL DMF is added. The resulting solution is stirred 3 h at RT and then quenched with 5 mL of H2 O. The reaction mixture is poured into 50 mL of EtOAc and extracted with H2 O (2*50 mL). The organic layer is separated, dried (MgSO4), and the solvents removed in vacuo. Purification by silica gel flash column chromatography using hexane/EtOAc 2/1 as eluent followed by further purification via silica gel MPLC using a Si60 column and hexane/EtOAc 1/1 as eluent followed by lyophilization in acetonitrile/H2 O afforded 100 mg of the title compound as a white amorphous solid: 1 H NMR (CDCl3, 300 MHz) delta7.74 (d, 1H, J=8.3), 7.25-6.76 (m, 16H), 4.85 (m, 1H), 4.11 (s, br, 2H), 3.97 (dd, 1H, J=5.6, 7.8), 3.77 (s, 3H), 3.70 (s, 3H), 3.63 (dd, 1H, J=7.8, 15.9), 3.48 (dd, 1H, J=5.6, 15.9), 0.92 (d, 6H, J=6.8); low resolution MS (FAB)m/e 602 (MH+), 437. Anal. (C36 H35 N5 O4) Calcd. C, 71.86; H, 5.86; N, 11.64; Found C, 71.69; H, 5.91; N, 11.56. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With bromine; triphenylphosphine; In hexane; ethyl acetate; acetonitrile; | 1-Methyl-3-bromomethyl-1H-indazole To a stirring solution of 692 mg (2.64 mmol, 1.3 equiv) of triphenylphosphine in 10 mL of acetonitrile at 0 C. is added 125 muL (2.44 mmol, 1.2 equiv) of Br2. The resulting orange-yellow suspension is stirred 10 min at 0 C., then a solution of 330 mg (2.03 mmol) of (1-Methyl-1H-indazol-3-yl) methanol, prepared as in Intermediate 24, in 5 mL of acetonitrile is added over 2 min. The resulting solution is stirred 1.5 h at RT, and the solvent is removed in vacuo. Purification of the residue by silica gel flash column chromatography using hexane/EtOAc 5/1 as eluent afforded 185 mg of the title compound as a yellow solid: 1 H NMR (CDCl3, 300 MHz) delta7.82 (d, 1H), 7.40 (m, 2H), 7.22 (m, 1H), 4.82 (s, 2H), 4.03 (s, 3H); Rf =0.87 in hexane/EtOAc 1/1. |
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