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CAS No. : | 17630-75-0 | MDL No. : | MFCD00191927 |
Formula : | C8H6ClNO | Boiling Point : | - |
Linear Structure Formula : | - | InChI Key : | WWJLCYHYLZZXBE-UHFFFAOYSA-N |
M.W : | 167.59 | Pubchem ID : | 152801 |
Synonyms : |
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Signal Word: | Warning | Class: | N/A |
Precautionary Statements: | P261-P305+P351+P338 | UN#: | N/A |
Hazard Statements: | H302-H315-H319-H335 | Packing Group: | N/A |
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 |
---|---|---|
40% | With piperidine; In ethanol; for 8.0h;Heating / reflux; | A mixture of 5-chlorooxindole (6.98 g, 41.6 mmol), 3,5-dimethyl-1H-pyrrole-2-carboxaldehyde (5.12 g, 41.6 mmol) and piperidine (410 muL, 4.16 mmol) in 200 mL of EtOH was heated at reflux for 8 h. The reaction mixture was cooled to room temperature and filtered to give the title compound (4.50 g, 40%) as a red/orange solid. |
40% | With piperidine; In ethanol; for 8.0h;Heating / reflux; | A mixture of 5-chlorooxindole (6.98 g, 41.6 mmol), 3,5-dimethyl-1H-pyrrole-2-carboxaldehyde (5.12 g, 41.6 mmol) and piperidine (410 muL, 4.16 mmol) in 200 mL of EtOH was heated at reflux for 8 h. The reaction mixture was cooled to room temperature and filtered to give the title compound (4.50 g, 40%) as a red/orange solid. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Scheme III [0139] The process of Scheme III is a multi-step synthetic sequence that commences with the reductive animation of an aniline such as structure 10 with a benzaldehyde and conversion into the chloroacetanilide of structure 11 with chloroacetyl chloride. Palladium catalyzed ring closure gives the N-benzyl oxindole such as structure 12, which is then coupled to the diazonium salt of the biphenyl amino acid of structure 4 to give the final product of structure 9. ; Example 11: 3 '-[N'-( 1 -Benzyl-5 -chloro-2-oxo - 1 ,2-dihvdro-indol-3 -ylidene)-hvdrazino] -T- hydroxy-biphenyl-3-carboxylic acid (Compound 111) [0195] This compound was prepared as described in Scheme III. 1H NMR (500 MHz, DMSCW5) delta 13.10 (s, IH), 13.03 (s, IH), 9.36 (s, IH), 8.13 (t, j =1.7 Hz, IH), 7.95 (ddd, J =7.7, 1.7, 1.3 Hz, IH), 7.80 (ddd, J=7.7, 1.7, 1.3 Hz, IH), 7.76 (dd, J=7.7, 1.6 Hz, IH), 7.68 (d, /=2.1 Hz, EPO <DP n="66"/>IH), 7.60 (t, J=I .1 Hz, IH), 7.37-7.32 (m, 4H), 7.30 (dd, 7=8.5, 2.1 Hz, IH), 7.27 (m, IH), 7.11 (t, J=7.7 Hz, IH), 7.09 (d, J=8.5 Hz, IH), 7.03 (dd, 7=7.7, 1.6 Hz, IH), 5.05 (s, 2H). |