| Gauche effect |  |
При изучении конформационной изомерии эффект гош представляет собой нетипичную ситуацию, когда конформация гош более стабильна, чем антиконформация.
Существуют как стерические, так и электронные эффекты, влияющие на относительную стабильность... Википедия (Английский язык)
8 февр. 2021 г. · The gauche effect refers to the phenomenon that the gauche conformer is energetically favored for X = F while, in all other cases (X = Cl, Br, I) ... |
30 янв. 2018 г. · We propose that the cause of gauche stability is 1,3 C···F electrostatic polarization interactions. In other words, if a number of fluorine atoms are aligned, ... |
Consequently, the gauche effect in heterocyclic compounds is not as stabilizing as in their acyclic counterparts. Only the electrostatic gauche effect takes ... |
20 сент. 2016 г. · The fluorine gauche effect is attributable to stabilising interactions comprised of two components: stereoelectronic and electrostatic. |
The Gauche effect characterizes any gauche rotamer which is actually more stable than the anti rotamer. This effect is present in 1,2-difluoroethane (H2FCCFH2) ... |
The gauche effect that is induced upon reversible formation of an iminium ion (see structure: green F, blue N) provides a powerful method for the ... |
gauche effect ; gauche. ( ; synclinal. ) ; conformation. in a two carbon unit bonded vicinally to large, soft and polarizable elements such as sulfur and bromine. |
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