Synthesis of Norbornane-Bridged Diporphyrins via Palladium-Catalyzed [3+2] Annulation Strategy

Abstract

The reaction of meso-bromoporphyrins with norbornene-fused porphyrins afforded novel norbornane-bridged diporphyrins in excellent yields via palladium-catalyzed [3+2] annulation reaction.

alkenes - annulation - catalysis - palladium - porphyrins

References

1

Present address: Department of Applied Chemistry, Graduate School of Engineering, Nagoya University, Nagoya 464-8603, Japan.

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6

Crystal data of 3CuCu _meso : C₁₃₁H₁₄₅N₈Cu₂, M _w  = 1958.63, triclinic, space group P 1 (No. 2), a = 17.253 (5) Å, b = 19.793 (5) Å, c = 24.020 (7) Å, α = 113.578 (8)˚, β = 90.923 (12)˚, γ = 95.734 (12)˚, V = 6919 (3) Å^³, Z = 2, D _calc = 0.940 g/cm^³, T = 123 (2) K, 49358 measured reflections, 22773 unique reflections, R = 0.0958 [I > 2.0σ(I)], wR = 0.3010 (all data), GOF = 0.943 [I > 2.0σ(I)].