stabilities can be affected by hydrogen bonding from a substituent hydroxyl group to a ring oxygen. Additional evidence is provided in the case of the tetrahydropyran diols by [M]D values. The rate of reaction of the vicinal diols of these cyclic systems with glycol splitting reagents, and their zone electrophoretic mobility in an alkaline borate buffer is influenced by the presence of a ring oxygen.
分子内
氢键的如通过羟基拉伸区域红外光谱,在某些邻二醇确定的范围内,
环己烷,
环戊烷,
四氢吡喃和
四氢呋喃和相关化合物提供了用于不同的构象的稳定性的证据。在某些化合物中,这些稳定性可能会受到取代基羟基与环
氧之间
氢键的影响。对于
四氢吡喃二醇,通过[ M ] D值提供了其他证据。这些环状体系的邻位二醇与二醇拆分剂的反应速率及其在碱性
硼酸盐
缓冲液中的区带电泳迁移率受环
氧的影响。