tautomeric equilibrium

1~ h NMR studies of solvent effect on keto-enol tautomeric equilibrium of β-dicarbonyl compounds

~H NMR法研究β-二羰基化合物的酮&烯醇互变异构体系的溶剂效应

The tautomeric energies of DHP ( HMP)-ethanol clusters is close to that of the isolated solute molecule. It indicates that the solvent molecule have not changed the tautomeric equilibrium.

HMP（DHP）乙醇分子复合物的互变异构能和孤立溶质分子的互变异构能结果很接近，表明溶剂分子参与反应并没有改变互变异构平衡。

Stereochemistry of tautomerism ⅰ. studies on tautomeric equilibrium of alkyl malonic esters

互变异构的立体化学Ⅰ.烃基丙二酸酯的互变异构平衡的研究

The results of the studies indicate that the tautomeric equilibrium between the enol imine and keto enamine exists in the compounds.

结果表明，合成的化合物具有醇亚胺和酮胺互变异构体结构，锡原子是五配位的，存在着分子间酚羟基（酮羰基）氧原子同锡原子的配键。

It is concluded that a keto-enol tautomeric equilibrium of the amine radical anion existed in the solution, which is believed to be the first example of keto-enol tauto-merism concerning a stable free radical.

结果表明该自由基负离子在溶液中以酮-烯醇互变异构体存在，这可能是在稳定自由基中发现存在酮-烯醇互变异构平衡的首例。

The calculations demonstrate that the oxazolidinones are the predominant species in both the gas phase and solvents; there exist tautomeric equilibrium among these species and the equilibriums are controlled by the employed solvents in the reaction.

计算结果表明无论在气相还是溶液中恶唑烷酮都是优势的物种，而且这些物种间的异构平衡受控于所用的溶液。

The tautomeric equilibrium between the azo type and the hydrazone type of these compounds in different solvents and different acidity has also been studied.

对它们在不同溶剂。不同酸碱度溶液中的偶氮式及腙式间互变异构平衡进行了研究。

The results demonstrate that the platinum adducts influence moderately on tautomeric equilibrium, but do not change the relative stability of tautomers whether in gas phase or in aqueous solution.

结果表明：顺铂的键连引起了互变平衡的变化，但是各互变异构体之间的相对稳定性顺序并没有改变。

Theoretical Calculations of the Tautomeric Equilibrium in 3 X 2 ( 1H) Pyridones

3-X-2（1H）-吡啶酮互变异构体系的理论计算