Solid??State Structure and Tautomerism of 2??Aminotroponimines Studied by X??ray Crystallography and Multinuclear NMR Spectroscopy

…, M Pérez??Torralba, E Pinilla, MR Torres…

Index: Claramunt, Rosa M.; Sanz, Dionisia; Perez-Torralba, Marta; Pinilla, Elena; Torres, M. Rosario; Elguero, Jose European Journal of Organic Chemistry, 2004 , # 21 p. 4452 - 4466

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Citation Number: 9

Abstract

Abstract Structural studies in the solid state by X-ray crystallography and by 13 C and 15 N CPMAS NMR spectroscopy carried out on a series of 2-aminotroponimine derivatives 2− 5 has allowed to establish the existence of hydrogen bonding and to determine the most stable tautomer. Almost all the structures reflect the classical double-well potential function for the N− H··· N hydrogen bonds. Only in the case of the compound N-(pyrrol-1-yl)-2-( ...