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A New Approach to the Theoretical Estimation of Inductive Constants by A. R. Cherkasov; V. I. Galkin; R. A. Cherkasov is a Chemistry article available to read on EtoBox.

What is A New Approach to the Theoretical Estimation of Inductive Constants about?

A new model of the inductive effect is proposed, allowing highly accurate theoretical calculations of inductive constants for a diversity of substituents, using a simple and readily available system of mathematics. According to this approach, the inductive effect of a substituent is considered in terms of the additive influence of its constituent atoms. A constant inherent capacity for inductive interaction with a reactive center (with a four-coordinate carbon atom chosen for such a center), represented by an atomic constant ' A , is ascribed to each atom. Values of ' A for a wide variety of atoms are determined, and their physical meaning is revealed to elucidate to a certain extent the physical nature of the inductive effect. In addition, the proposed model permits the convenient use in calculations of group constants ' G characterizing the inductive power of groups. Values of ' G are determined for molecular fragments that are most widely dealt with in organic chemistry, and the use of ' A or ' G constants and of their superposition is shown to have, in most cases, little or no effect on the accuracy and reproducibility of the results obtained. It is also shown that, in terms of

Who reads A New Approach to the Theoretical Estimation of Inductive Constants?

Author

A. R. Cherkasov; V. I. Galkin; R. A. Cherkasov

Publisher

John Wiley and Sons; Wiley (John Wiley & Sons); John Wiley & Sons Inc.; Wiley (ISSN 0894-3230)

Published

1998

Language

EN

Field

Chemistry (Physical Sciences)