✦ LIBER ✦

STERICALLY CROWDED CYCLOHEXANES-9. SYNTHESIS, CONFORMATION AND DYNAMICS OF HEXASPIRO[2.0.4.0.2.0.4.0.2.0.4.0]TETRACOSANE

✍ Scribed by Karin Wulf; Ulrich Klages; Beate Rissom; Lutz Fitjer*

Publisher: Elsevier Science
Year: 1997
Tongue: French
Weight: 822 KB
Volume: 53
Category: Article
ISSN: 0040-4020
DOI: 10.1016/s0040-4020(97)00289-5

No coin nor oath required. For personal study only.

📜 SIMILAR VOLUMES

Sterically crowded cyclohexanes - 81). S

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

✍ Lutz Fitjer; Ulrich Klages; Detlef Wehle; Manfred Giersig; Norbert Schormann; Wi 📂 Article 📅 1988 🏛 Elsevier Science 🌐 French ⚖ 766 KB

Sterically crowded cyclohexanes—10 Synth

Sterically crowded cyclohexanes—10 Synthesis, conformation and dynamics of 8,8,13,13-tetramethyltetraspiro[2.0.3.1.3.1.3.0]heptadecane

✍ Beate Rissom; Lutz Fitjer 📂 Article 📅 1997 🏛 Elsevier Science 🌐 French ⚖ 522 KB

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

Synthesis and Structure of K2xBa2-xSb4O9

Synthesis and Structure of K2xBa2-xSb4O9(PO4)2 (0 < x < 0.4)

✍ C. Pagnoux; A. Mar; A. Verbaere; Y. Piffard 📂 Article 📅 1995 🏛 Elsevier Science 🌐 English ⚖ 318 KB

Synthesis of [2.0.2.0]metacyclophanedien

Synthesis of [2.0.2.0]metacyclophanediene and bi-4,5-phenanthrylene

✍ Bengt Thulin; Olof Wennerström 📂 Article 📅 1977 🏛 Elsevier Science 🌐 French ⚖ 125 KB

Non-planar aromatic molecules are now well-known. Many examples can be found among the cyclophanes 1 and helicenes, 2 and the circulenes 3 are especially interesting. [n]Circulenes with na 7 have too long a periphery and too short an inner ring and should be saddle-shaped. So far 0~7 hetero 171 an

ChemInform Abstract: Sterically Crowded

ChemInform Abstract: Sterically Crowded Cyclohexanes. Part 10. Synthesis, Conformation and Dynamics of 8,8,13,13-Tetramethyltetraspiro(2.0.3.1.3.1.3.0) heptadecane.

✍ B. RISSOM; L. FITJER 📂 Article 📅 2010 🏛 John Wiley and Sons ⚖ 33 KB

Sterically Crowded Cyclohexanes. Part 10. Synthesis, Conformation and Dynamics of 8,8,13,13-Tetramethyltetraspiro(2.0.3.1.3.1.3.0) heptadecane. -The title compound (XII) adopts a chair conformation in solution. Its barrier of inversion is determined from equilibration experiments with stereoselectiv

Excess enthalpies of (2,2,4-trimethylpen

Excess enthalpies of (2,2,4-trimethylpentane  +  cyclohexane  +  dodecane) at the temperature 298.15 K

✍ Zhaohui Wang; Ding-Yu Peng; George C. Benson; Benjamin C.-Y. Lu 📂 Article 📅 2000 🏛 Elsevier Science 🌐 English ⚖ 204 KB

Measurements of excess molar enthalpies at the temperature 298.15 K in a flow microcalorimeter are reported for the ternary mixture {x A smooth representation of the results is described and used to construct constant-enthalpy contours on a Roozeboom diagram. It is shown that useful estimates of th