3 years ago

Synthesis of Quinolizinium-Type Heteroaromatics via a Carbene Intermediate

Synthesis of Quinolizinium-Type Heteroaromatics via
a Carbene Intermediate
Feng Li, Shenpeng Tan, Jihee Cho, Sanghee Kim
An efficient synthesis of quinolizinium-type heteroaromatics by Pt(II)-catalyzed cyclization of 2-arylpyridine propargyl alcohol has been developed. The presence of a protic acid is crucial for the success of the reaction. Mechanistic studies disclosed that the reaction proceeds via a platinum–carbene intermediate. Additionally, the fluorescence properties of the synthesized heteroaromatics were investigated to provide perspectives for potential applications.

Publisher URL: http://dx.doi.org/10.1021/acs.orglett.7b03964

DOI: 10.1021/acs.orglett.7b03964

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