E/Z isomerism without a double bond - An unusual type of stereoisomerism, and an unprecedented isomerisation in a bicyclobutane
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Authors
An unusual kind of stereoisomerism termed E/Z isomerism without a double bond or generalised E/Z isomerism is discussed for the first time. Examples are given of pairs of synthesized and separated compounds related by this kind of isomerism (4a/5a and 12a/15a), which were obtained by an unusual rearrangement of substituents on a bicyclobutane ring system. Conditions for the occurrence of generalised E/Z isomerism are defined.
| Translated title of the contribution | E/Z Isomerie ohne Doppelbindung: - ein ungewöhnlicher Typ von Stereoisomerie, und eine beispiellose Isomerisierung in einem Bicyclobutan. |
|---|---|
| Original language | English |
| Journal | Croatica Chemica Acta |
| Volume | 77 |
| Issue number | 1-2 |
| Pages (from-to) | 237-241 |
| Number of pages | 5 |
| ISSN | 0011-1643 |
| Publication status | Published - 05.2004 |
| Externally published | Yes |
- Chemistry
- E/Z isomerism, Isomerisation, Rearrangement, Stereoisomerism, Substituted bicyclo[1.1.0]but-1(3)-ene, Substituted bicyclobutanes, Thia[1.1.1]propellane