Conformational Behavior and Coordination Chemistry of 2,11-Dithia[3.3] o rtho cyclophane with Platinum Group Metals
β Scribed by Tiburcio, Jorge; Jones, William D.; Loeb, Stephen J.; Torrens, Hugo
- Book ID
- 126022981
- Publisher
- American Chemical Society
- Year
- 2002
- Tongue
- English
- Weight
- 117 KB
- Volume
- 41
- Category
- Article
- ISSN
- 0020-1669
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The preparation, 1 Hmr spectra and stereochemistry of 1E ,3E,2F, 3F and 2G are described. The stereochemistry of 3E is supported by an X-ray structure determination. The synthesis and stereochemical aspects of cyclophanes have been of particular interest over the last two decades. 2,3 However, recen
The synthesis of 20,28-dimethyl-24,33-dithia-1,4,7,10,13,16-hexaoxa[16.3.3](1,2,6)cyclophane 3 was achieved by cesium carbonate-assisted high dilution cyclization. Cyclophane 3 exhibited strong complexation towards all alkali metal ions. The change in chemical shift for the bridge methylene protons