Group-theoretical framework for characterizing the ring flipping of spiro [5.5] undecane derivatives. Pseudo-point groups and subsymmetry-itemized enumeration

Journal of the Chemical Society - Faraday Transactions

Volumn 94, Issue 21, 1998, Pages 3197-3205

  Fujita, Shinsaku ^a  

^a KYOTO INSTITUTE OF TECHNOLOGY   (Japan)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 33748726766     PISSN: 09565000     EISSN: None     Source Type: Journal    
DOI: 10.1039/a804599b     Document Type: Article

References (28)

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23. The quadruplet depicted in Fig. 2 comes from substitution on ring A. The counterpart quadruplet can be derived from substitution on ring B. Each conformer of the latter quadruplet is considered to coincide with either conformer of the former quadruplet.
24. The term "enantiomeric" is used to designte the relationship between two isomers with opposite chiralities (e.g. R vs. S). The term "ergo-enantiomeric" is coined here by analogy with the chirality phenomena, since it aims at designating the relationship between two isomers (quadruplets) with opposite energeticities (e.g. axial vs. equatorial). The prefix "ergo" comes from the Greek word "ergon" (work).
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28. The word "signal" is mainly used to refer to an NMR signal. For example, a fluorine atom substituted for each X exhibits an NMR signal, which is regarded as a single signal without taking accout of its multiplicity. Thus, the multiplicity of a single signal is disregarded throughout this paper.