anioˈnotropyn.

Etymology: < anion n. + -o suffix + Greek -τροπία turning.

Chem.

Tautomerism characterized by the movement of an anion.

ΘΚΠ

the world > matter > chemistry > isomerism > [noun] > structural isomerism > tautomerism > types of

prototropy1923

anionotropy1928

mesomerism1928

1928 Burton & Ingold in Jrnl. Chem. Soc. i. 904 It can be seen in a general way that opposite conditions will prevail in mobile-anion tautomerism (anionotropy).

Derivatives

anionoˈtropic adj.

ΚΠ

1928 Burton & Ingold in Jrnl. Chem. Soc. i. 905 The effect of groups in promoting anionotropic change.

1941 Trans. Faraday Soc. 37 721 (heading) Mechanism and Kinetics of Anionotropic Change.

1942 Nature 31 Jan. 128/2 Anionotropic change is, in some respects, similar to prototropic change... In anionotropy we are concerned with the movement of negative groups, and there is evidence that the interconversion may proceed through the intermediate formation of a positive mesomeric ion and a complementary negative ion.

This entry has not yet been fully updated (first published 1972; most recently modified version published online March 2011).

单词	anionotropy
释义	anioˈnotropyn. Etymology: < anion n. + -o suffix + Greek -τροπία turning. Chem. Tautomerism characterized by the movement of an anion. ΘΚΠ the world > matter > chemistry > isomerism > [noun] > structural isomerism > tautomerism > types of prototropy1923 anionotropy1928 mesomerism1928 1928 Burton & Ingold in Jrnl. Chem. Soc. i. 904 It can be seen in a general way that opposite conditions will prevail in mobile-anion tautomerism (anionotropy). Derivatives anionoˈtropic adj. ΚΠ 1928 Burton & Ingold in Jrnl. Chem. Soc. i. 905 The effect of groups in promoting anionotropic change. 1941 Trans. Faraday Soc. 37 721 (heading) Mechanism and Kinetics of Anionotropic Change. 1942 Nature 31 Jan. 128/2 Anionotropic change is, in some respects, similar to prototropic change... In anionotropy we are concerned with the movement of negative groups, and there is evidence that the interconversion may proceed through the intermediate formation of a positive mesomeric ion and a complementary negative ion. This entry has not yet been fully updated (first published 1972; most recently modified version published online March 2011). < n.1928
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