Table 1 Electrochemical data for compounds 1a–1ea.

From: Elaborately Tuning Intramolecular Electron Transfer Through Varying Oligoacene Linkers in the Bis(diarylamino) Systems

Compound

E1/2 (1) (V)

E1/2 (2) (V)

E1/2 (3) (V)

ΔE1/2 (mV)

K c b

1a

−0.200

0.285

—

485

1.6 × 108

1b

0.094

0.469

—

375

2.2 × 106

1c

0.138

0.433

—

295

9.7 × 104

1d

0.290

0.412

—

122

1.2 × 102

1e

0.061

0.339

0.534

—

—

2e

0.490

—

—

—

—

  1. aThe anodic potentials are referenced against the standard ferrocene/ferrocenium (Fc/Fc+) redox couple; E1/2 (Fc/Fc+) = +0.43 V vs Ag/AgCl. b The comproportionation constants, Kc, were estimated using the expression Kc = exp(ΔE/25.69 mV) at 298 K.
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