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Synthetic Communications
An International Journal for Rapid Communication of Synthetic Organic Chemistry
Volume 34, 2004 - Issue 3
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Original Articles

Synthesis of 2‐Aminochromene Derivatives Catalyzed by KF/Al2O3

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Pages 509-514 | Received 09 Jun 2003, Published online: 16 Aug 2006

References

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  • X-ray crystallography for 1a: Empirical formula C22H18ClNO3, F W  = 379.82, T = 294(2) K, monoclinic, space group C2/c, a = 25.168(4) Å, b = 9.584(1) Å, c = 16.503(3) Å, α = 90°, β = 111.14(1)°, γ = 90°, V = 3712.8(10) Å3, Z = 8, Dc = 1.359 Mg/m3, λ(MoKα) = 0.71073 Å, μ = 0.228 mm−1, F(000) = 1584. 1.74° < θ < 25.01°, R = 0.0565, wR = 0.1320. S = 0.885, Largest diff. Peak and hole: 0.491 and −0.204 e · Å−3
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