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CAS No. : | 22276-95-5 | MDL No. : | MFCD09702029 |
Formula : | C6H3BrClN3 | Boiling Point : | No data available |
Linear Structure Formula : | - | InChI Key : | OXLMTRZWMHIZBY-UHFFFAOYSA-N |
M.W : | 232.47 | Pubchem ID : | 5380710 |
Synonyms : |
|
Signal Word: | Danger | Class: | 6.1 |
Precautionary Statements: | P301+P310 | UN#: | 2811 |
Hazard Statements: | H301 | Packing Group: | Ⅲ |
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 |
---|---|---|
With di-isopropyl azodicarboxylate; triphenylphosphine; In tetrahydrofuran; at 0 - 20℃; for 0.5h; | To a mixture of compound 1 (144 mg, 0.34 mmol), compound 4 (102 mg, 0.44 mmol) and Ph3P (134 mg, 0.51 mmol) in THF (20 mL) was added DIAD (0.10 mL, 0.51 mmol) at 0 0C. After stirring 30 min at rt, the mixture was evaporated and purified by column chromatography on a silica gel. The appropriate fraction was collected and evaporated. The residue was treated with saturated methanolic ammonia and heated to 80 C for 16h. After cooling, the mixture was purified by column chromatography on a silica gel to give 8 (197 mg, 93 %) as a white solid, mp : 112 - 114 0C; [alpha]26D -39.47 (c 0.15, MeOH); 1H NMR (500 MHz, CDCl3) delta 8.34 (s, IH), 7.4 - 7.5 (m, 6H), 7.2 - 7.35 (m, 9H), 6.75 (s, IH), 5.99 (s, IH), 5.85 (s, IH), 5.61 (br s, 2H), 5.17 (d, J= 5.5 Hz, IH), 4.54 (d, J= 6.0 Hz, IH), 4.03 (d, J = 15.0 Hz, IH), 3.85 (d, J = 15.5 Hz, IH), 1.43 (s, 3H), 1.30 (s, 3H); 13C NMR (125 MHz, CDCl3) 156.75, 153.01, 149.57, 149.51, 143.81, 128.58, 127.98, 127.26, 122.75, 121.14, 112.56, 103.10, 87.36, 86.71, 84.99, 83.97, 64.51, 61.55, 27.55, 26.13. UV (MeOH) lambdamax <n="65"/>284.0 nm; Anal. Calcd. for (C34H31BrN4O3) C 65.49, H 5.01, N 8.99 Found C 65.54, H 4.91,N 8.72. |
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