Sterically crowded cyclohexanes - 81). Synthesis, crystal structure, conformation and dynamics of pentaspiro[2.0.2.0.2.0.2.0.2.1]hexadecane, pentaspiro[3.0.2.0.3.0.2.0.3.1]- nonadecane and pentaspiro[3.0.3.0.3.0.3.0.3.1] heneicosane
β Scribed by Lutz Fitjer; Ulrich Klages; Detlef Wehle; Manfred Giersig; Norbert Schormann; William Clegg; David S. Stephenson; Gerhard Binsch
- Publisher
- Elsevier Science
- Year
- 1988
- Tongue
- French
- Weight
- 766 KB
- Volume
- 44
- Category
- Article
- ISSN
- 0040-4020
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The synthesis, conformation and dynamics of 8,8,13,13-tetramethyltetxaspiro[2.0.3.1.3. l.-3.0]heptadecane (11) are described. 11 adopts a chair conformation in solution. Its barrier of inversion proved inaccessible by DNMR but could be determined from equilibration studies with stereoselectively lab
In the framework of a series of studies carried out by our research team, the excess molar enthalpies H E m and excess molar volumes V E m for 21 binary mixtures composed of one of three butyl esters (ethanoate, propanoate, and butanoate) and one of seven odd n-alkanes (pentane to heptadecane) were