An Investigation into the Stephens–Castro Synthesis of Dehydrotriaryl[12]annulenes: Factors Influencing the Cyclotrimerization

Detailed investigation into the CuX/base/phosphine modified Stephens–Castro syntheses of dehydrotriaryl[12]annulenes 1–3 have shown that cyclization is suppressed by excess CuX, strong donor ligands, high dilution conditions, and thermally unstable ethynylcuprate monomers. Surprisingly, intermediate...

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Veröffentlicht in:	European journal of organic chemistry 2019-10, Vol.2019 (40), p.6783-6795
Hauptverfasser:	Baxter, Paul N. W., Al Ouahabi, Abdelaziz, Karmazin, Lydia, Varnek, Alexandre, Strub, Jean‐Marc, Cianferani, Sarah
Format:	Artikel
Sprache:	eng
Schlagworte:	Alkynes Annulenes Chemical Sciences Cross‐coupling Cuprates Macrocycles
Online-Zugang:	Volltext
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