Conformational studies of dicyclohexylthallium chloride, bis (4??methylcyclohexyl) thallium chloride and bis (4??tert??butylcyclohexyl) thallium chloride by 1H NMR

BV Cheesman, RFM White

Index: Cheesman, Bruce Victor; White, Raymond Frederick Martin Organic Magnetic Resonance, 1984 , vol. 22, # 12 p. 764 - 770

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Abstract

Abstract Vicinal thallium–hydrogen coupling constants are used to discuss conformations in dicyclohexylthallium chloride, bis (4-methylcyclohexyl) thallium chloride and bis (4-tert- butylcyclohexyl) thallium chloride. Thallium does not have a very strong preference for equatorial positions in dicyclohexylthallium chloride, whereas bis (4-alkylcyclohexyl) thallium chlorides exist largely in one conformation. Bis (4-methylcyclohexyl) thallium ...