The synthesis and solution conformation of dodecaphenylporphyrin

DOI: 10.1016/S0040-4039(00)97902-4

Source and publish data:

Tetrahedron Letters p. 5583 - 5586 (1990)

Update date:2022-08-12

Topics:

Authors:

Medforth, Craig J.

Smith, Jevin J.

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Article abstract of DOI:10.1016/S0040-4039(00)97902-4

The synthesis of 2,3 ,5 ,7 ,8 ,10 ,12 ,13 ,15 ,17, 18,20-dodecaphenylporphyrin (DPP ; 3) is reported; compared with similar porphyrins it shows a red. shifted electronic absorption spectrum, indicating a non-planar conformation in solution. Variable temperature 500 MHz NMR experiments give a ΔG* of 10.9 kcal mol^-1 at 253 K for inversion of the macrocycle.

Full text of DOI:10.1016/S0040-4039(00)97902-4

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