Formula: CCuNS, You could be based in a university, combining chemical research with teaching; or in a public-sector research center, helping to ensure national healthcare provision keeps pace with new discoveries. In an article, authors is Tang, Bo-Xiao, once mentioned the application of Formula: CCuNS, Name is Cuprous thiocyanate,molecular formula is CCuNS, is a conventional compound.
(Chemical Equation Presented) A novel electrophilic ipso-cyclization involving an electrophile-exchange process has been developed. In the presence of CuX (X = I, Br, SCN) and electrophilic fluoride reagents, a variety of N-(p-methoxyaryl)propiolamides and 4-methoxyphenyl 3-phenylpropiolate were cyclized to selectively afford the corresponding spiro[4.5]decenones in moderate to good yields. It is noteworthy that two azaquaternary tricyclic products were synthesized through a two-step pathway involving an electrophilic ipso-cyclization and then an intramolecular Heck reaction.
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Reference：
Copper catalysis in organic synthesis – NCBI,
Special Issue “Fundamentals and Applications of Copper-Based Catalysts”