Photoisomerization of Azobenzocrown Ethers. Effect of Complexation of Alkaline Earth Metal Ions
β Scribed by Tahara, Ruriko; Morozumi, Tatsuya; Nakamura, Hiroshi; Shimomura, Masatsugu
- Book ID
- 126130660
- Publisher
- American Chemical Society
- Year
- 1997
- Tongue
- English
- Weight
- 234 KB
- Volume
- 101
- Category
- Article
- ISSN
- 0022-3654
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New crown ether dyes carrying two pendent anionic side-arms were synthesized for the extraction-spectrophotometry of alkaline earth metal ions. In the extraction of alkaline earth metal ions by these dianionic reagents, size recognition by the crown ether ring was more remarkable than m the case of
The reaction of lithium[bis(dimethylphosphanyl)(trimethyl-(SiMe 3 )] 3 } -(8) was obtained. This compound is not only the first reported hexacoordinated magnesate, but also the first silyl)methanide] Li[(PMe 2 ) 2 C(SiMe 3 )] with BeCl 2 gave the homoleptic compound Be[(PMe 2 ) 2 C(SiMe 3 )] 2 (5) w