In general, if the atoms that make up the ring contain heteroatoms, such rings become heterocycles, and organic compounds containing heterocycles are called heterocyclic compounds. An article called Palladium-catalyzed direct reductive cross-coupling of aryltrimethylammonium salts with aryl bromides, published in 2021, which mentions a compound: 52287-51-1, Name is 6-Bromo-2,3-dihydrobenzo[b][1,4]dioxine, Molecular C8H7BrO2, Related Products of 52287-51-1.
An efficient palladium-catalyzed direct reductive cross-coupling of aryltrimethylammonium salts with aryl bromides was developed. The reactions proceeded smoothly in the presence of a palladium catalyst, magnesium turnings, LiCl, and TMEDA in THF at room temperature, leading to the corresponding biaryl compounds in moderate to good yields with reasonable functional group tolerance. The one-pot reaction using cheap and readily available aryl bromide as a coupling partner were simple to handle, thereby avoiding the use of pre-prepared organometallic reagents.
The article 《Palladium-catalyzed direct reductive cross-coupling of aryltrimethylammonium salts with aryl bromides》 also mentions many details about this compound(52287-51-1)Related Products of 52287-51-1, you can pay attention to it, because details determine success or failure
Reference:
Pyrazole – Wikipedia,
Pyrazoles – an overview | ScienceDirect Topics