Palladium‐Catalyzed Reaction of MBH Acetates and Terminal Alkynes: Cascade Synthesis of Phenanthridine and 6‐Arylethynylphenanthridine,European Journal of Organic Chemistry

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Palladium‐Catalyzed Reaction of MBH Acetates and Terminal Alkynes: Cascade Synthesis of Phenanthridine and 6‐Arylethynylphenanthridine
European Journal of Organic Chemistry ( IF 2.5 ) Pub Date : 2018-08-08 , DOI: 10.1002/ejoc.201800725
Tanu Gupta _{1,

2} , Jay Bahadur Singh ₁ , Rashmi Singh ₁ , Radhey M. Singh ₁

Affiliation

A palladium‐catalyzed cascade reaction of Morita–Baylis–Hillman (MBH) acetates and terminal alkynes was developed. This regioselective synthetic approach is temperature controlled and favors the formation of phenanthridines when conducted at a lower temperature and 6‐arylethynylphenanthridines when performed at a higher temperature.