Large preference for equatorial iodine in 2-isopropyl-5-iodo-1,3-dioxans
Abstract
The configurational equilibria of diastereoisomeric 2-isopropyl-5-iodo-1,3-dioxans heavily favour the equatorial iodides at room temperature in all solvents studied: ΔG0, –1·92 (C6H12), –1·35 (C6H6), –1·43 (CHCl3), and –0·95 kcal mol–1(MeCN).