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Part I; the synthesis and reactions of polyhalogenated heterocyclic compounds containing nitrogen part II: polyhaloalkylation
| Content Provider | Semantic Scholar |
|---|---|
| Author | Storey, Robert Anthony |
| Copyright Year | 1967 |
| Abstract | and cause d e c h l o r i n a t i o n , or d e h y d r o c h l o r i n a t i o n of h i g h l y c h l o r i n a t e d 39 a l i p h a t i c compounds, are a consequence of the low s o l v a t i o n of s m a l l anions i n these solvents» I n c o n t r a s t to the low s o l v a t i o n of anions in. d i p o l a r a p r o t i c s o l v e n t s , c a t i o n s are h i g h l y s o l v a t e d by these s o l v e n t s . T h i s i s due to them having a re g i o n of high e l e c t r o n d e n s i t y ; l o c a l i s e d u s u a l l y on a bare oxygen atom, which a l l o w s s t r o n g i n t e r a c t i o n w i t h the c a t i o n . The type of dipole p r e s e n t i s a l s o important. Thus, although a l k y l and a r y l n i t r o compounds have high d i e l e c t r i c c o n s t a n t s , c a t i o n s are poorly s o l v a t e d because the negative p o r t i o n of the d i p o l e i s d i s p e r s e d . I t i s t h i s c a t i o n s o l v a t i o n t h a t r e nders e l e c t r o l y t e s s o l u b l e . The r e a c t i o n of an aromatic c h l o r i d e w i t h potassium f l u o r i d e to form the aromatic f l u o r i d e , most l i k e l y proceeds w i t h the f l u o r i d e i o n as the n u c l e o p h i l e , v i a a bi m o l e c u l a r mechanism, C l F |
| File Format | PDF HTM / HTML |
| Alternate Webpage(s) | http://etheses.dur.ac.uk/9086/1/9086_6017.PDF?UkUDh:CyT= |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |
