New Advances in Chemical Research, May 2021. The dynamic chemical diversity of the numerous elements, ions and molecules that constitute the basis of life provides wide challenges and opportunities for research. Reference of 2213-63-0, We’ll be discussing some of the latest developments in chemical about CAS: 2213-63-0, name is 2,3-Dichloroquinoxaline. In an article，Which mentioned a new discovery about 2213-63-0
A novel series of 7-benzylidene-3,3a,4,5,6, 7-hexahydro-3-phenyl-2H-indazole substituted at the 2-position were synthesized. The reaction of 2,6-bis-benzylidenecyclohexanone (1) with thiosemicarbazide in the presence of NaOH afforded a mixture of the 3-H, 3a-H trans 2 and cis 2a diastereoisomers which have been separated by fractional recrystallization. Interaction of the first intermediate 2 with substituted phenacyl bromides, aromatic aldehydes and chloroacetic acid in presence of a mixture of acetic acid and acetic anhydride, and 2,3-dichloroquinoxaline yielded the corresponding 7-benzylidene-3,3a,4,5,6,7-hexahydro-3-phenyl-2H-indazole derivatives substituted at the 2-position with 4-aryl-2-thiazolyl 3 a, b, 5-arylidene-4,5-dihydro-4-oxo-2-thiazolyl 4a, b and thiazolo[4,5-b]quinoxalin-2-yl 5, respectively. Moreover, the other intermediates 3,5-diaryl-1-thiocarbamoyl-2-pyrazolines 7 a-d were reacted with the previously-mentioned reagents and gave the corresponding 3,5-diaryl-1-(4-aryl-2-thiazolyl)-2-pyrazolines 8 a-h, 3,5-diaryl-1-(5-arylidene-4,5-dihydro-4-oxo-2-thiazolyl)-2-pyrazolines 9 a-d and 3,5-diaryl-1-(thiazolo[4,5-b]quinoxalin-2-yl)-2-pyrazoline derivatives 10 a, b, respectively. Some of the newly prepared compounds were subjected to evaluation for their anti-inflammatory activity. The structures of the new compounds were confirmed by elemental analyses as well as 1H-NMR, IR, and MS data.
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Reference：
Quinoxaline – Wikipedia,
Quinoxaline | C8H6N1481 | ChemSpider