380447-48-3

Upstream product

• 253134-81-5 2,3-dibromo-5,10,15,20-tetraphenylporphyrinatonickel(II) 
• 1112-00-1 trimethylstannylacetylene 
• 16035-50-0 trimethyl(trimethylstannanylethynyl)silane 
• 380447-47-2 nickel(II) 2,3-bis(trimethylsilylethynyl)-5,10,15,20-tetraphenylporphyrin 

Downstream Products

• 380447-58-5 nickel(II)10,15-diphenyl-piceno[20,1,2,3,4,5-fghij]porphyrin 
• 607391-90-2 nickel(II) 2,3-bis(iodoethynyl)-5,10,15,20-tetraphenylporphyrin 
• 607391-87-7 nickel(II) 2,3-bis(bromoethynyl)-5,10,15,20-tetraphenylporphyrin 
• 1351565-35-9 Ni(C₂₀H₆N₄(C₆H₅)4(C₄H₃Cl)) 
• 1351565-33-7 Ni(C₂₀H₆N₄(C₆H₅)3(C₆H₄C₄H₃)) 

Relevant academic research and scientific papers

PtCl2-catalyzed benzannulation of nickel(II) 2,3-dialkynylporphyrins to form unusual phenanthroporphyrins

Reaction of Ni(II) 2,3-dibromo-5,10,15,20-tetraphenylporphyrin with substituted stannyl alkynes generates substituted 2,3-dialkynylporphyrins in good yields. Thermolysis of these motifs with stoichiometric or even catalytic equivalents of PtCl2

Accelerated Bergman cyclization of porphyrinic-enediynes

The Bergman cyclization of simple diethynylporphyrinic-enediynes exhibits a double activation barrier to the formation of Bergman cyclized product. Addition of H-atom acceptor accelerates the formation of the picenoporphyrin, indicating that the second barrier is rate limiting.

Multicarbocycle formation mediated by arenoporphyrin 1,4-diradicals: Synthesis of picenoporphyrins

Bergman cyclization of 2,3-dialkynyl-meso-tetraphenylporphyrins and carbon-carbon bond formation (mediated by 1,4-diradicals) with the adjacent meso-phenyl rings lead to formation of an unprecedented multicarbocycle fused onto the porphyrin periphery. The