Synthesis and Conformational Analysis of Spirocyclopropane- and Spirooxirane-annelated Dinaphthobicyclo [4.4.1] undecanes
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- Taniguchi Masahiko
- Department of Molecular Science and Technology, Graduate School of Engineering Sciences, Kyushu University
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- Thiemann Thies
- Institute of Advanced Material Study Kyushu University
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- Sawada Tsuyoshi
- Institute of Advanced Material Study Kyushu University
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- Mataka Shuntaro
- Institute of Advanced Material Study Kyushu University
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Abstract
The preparation and conformational analysis of spirocyclopropane- and spirooxirane-annelated dinaphtho[c,h]bicyclo[4.4.1]undecane derivatives 9, 10, and 11 are reported. Compounds 9, 10, and 11 exist in equilibrium of two nonequivalent chair-boat conformers, of which the predominant conformer in the solution was studied. ^1H-NMR spectroscopic analysis at -60℃ and the calculation of the dipole moment of the conformer revealed that the ratio of the conformers of 9, 10, and 11 is dependent on the polarity of the solvent.
Journal
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- 九州大学機能物質科学研究所報告
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九州大学機能物質科学研究所報告 12 (2), 131-135, 1998-12-25
Institute of Advanced Material Study Kyushu University
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Details 詳細情報について
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- CRID
- 1390853649765666816
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- NII Article ID
- 110006177550
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- NII Book ID
- AN10060378
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- ISSN
- 09143793
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- DOI
- 10.15017/7900
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- HANDLE
- 2324/7900
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- NDL BIB ID
- 1116850
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- Text Lang
- en
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- Data Source
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- JaLC
- IRDB
- NDL
- CiNii Articles
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- Abstract License Flag
- Allowed