Useful in the synthesis of low-valent barium compounds, the ligand HL is prepared by the Claisen condensation of MeO2C(CH2)OMe with pinacolone. [BaL2], a base-free barium(II) complex, is formed in the reaction of HL with barium metal. This compound is monomeric in solution and a liquid at room temperature. Such compounds are potential sources of barium for the vapor deposition of thin films for electronic materials.
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Rees et al. (1992) studied this question.
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