Electronic Communication in Heterometallated Porphyrin Oligomers by Jonathan Cremers

Author:Jonathan Cremers
Language: eng
Format: epub
ISBN: 9783030391010
Publisher: Springer International Publishing

1H NMR (400 MHz, CDCl3, 298 K): δH (ppm) broad, 1.80–0.61 (234H, m, H1 and H2).

MALDI-TOF: m/z = 2267 (C144H248CuN4Si6, M+ requires 2266).

(CHCl3)/nm log(ε): 434 (5.58), 567 (4.20), 610 (4.53).

Copper 5,15-bis(3,5-bis(trihexylsilyl)phenyl)-10,20-bis-ethynylporphyrin (3.10)

Porphyrin 3.9 (110 mg, 0.049 mmol) was dissolved in CH2Cl2 (15 mL). Tetra-n-butylammonium fluoride (0.97 mL, 1.0 M solution in THF, 0.97 mmol) was added dropwise and the reaction mixture was stirred at room temperature for 15 min. The reaction mixture was immediately passed through a short plug of silica gel (CHCl3) to give the title compound as a purple oil (80 mg, 97%).

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