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Plot of the initial rate versus [THF] for the dehydrobromination of 1-bromocyclooctene 26 (0.050 M) with NaDA (0.10 M) at −50 °C in (A) hexane and (B) 2,5-Me2THF. The curve depicts an unweighted least-squares fits. Curve A: y = k[THF] + k′: k = (0.74 ± 0.05) × 10–3; k′ = (1.90 ± 0.05) × 10–3. Curve B: y = k[THF]: k = (0.89 ± 0.12) × 10–3; k′ = (2.61 ± 0.0.03) × 10–5.
