Copper-Catalyzed Allenylation-Isomerization Sequence of Penta-1,4-diyn-3-yl Acetates with P(O)H Compounds: Facile Synthesis of 1-Phosphonyl 2,4-Diynes

Chemistry

• Alkyne 50%
• Allene 50%
• Catalysis 50%
• Isomerization 100%
• Nucleophile 50%
• Phosphorus 50%