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Updated: Jan 27, 2026

Determination of Thermodynamic Properties of Alkaline Earth-liquid Metal Alloys Using the Electromotive Force Technique
Published on: November 3, 2017
Chasing Multiple Bonding Interactions between Alkaline-Earth Metals and Main-Group Fragments
Benjamin M Wolf1, Reiner Anwander1
1Institut für Anorganische Chemie, Universität Tübingen, Auf der Morgenstelle 18, 72076, Tübingen, Germany.
Alkaline-earth metal chemistry is advancing with new synthesis strategies for divalent compounds. This review focuses on the synthesis and reactivity of Group 2 alkylidenes, organoimides, silylenes, and phosphandiides.
Area of Science:
- Organometallic Chemistry
- Main-Group Chemistry
- f-Element Chemistry
Background:
- Dianionic ligands like alkylidenes and organoimidos are crucial in transition metal and f-element chemistry.
- Main-group metal congeners lag behind due to challenges like pronounced ionic bonding in alkali and alkaline-earth metal derivatives.
- Recent progress in divalent alkaline-earth (Ae) chemistry has been driven by novel synthesis strategies and ligands.
Purpose of the Study:
- To review the synthesis and reactivity of well-defined Group 2 alkylidenes, organoimides, silylenes, and phosphandiides.
- To highlight advancements in divalent alkaline-earth metal chemistry.
Main Methods:
- Implementation of new synthesis strategies.
- Utilizing new alkaline-earth (Ae)II precursors.
- Employing tailor-made ligands for specific compound classes.
Main Results:
- Development of well-defined Group 2 alkylidenes.
- Synthesis of novel organoimides, silylenes, and phosphandiides.
- Demonstration of successful strategies for accessing divalent alkaline-earth metal compounds.
Conclusions:
- New synthesis approaches have overcome challenges in alkaline-earth metal chemistry.
- This review consolidates recent progress in Group 2 dianionic ligand chemistry.
- The field of main-group metal congeners is rapidly developing.
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