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Part I. Photoelectron Spectroscopic Studies of Amines, Alkenes, and Substituted Benzenes. Part II. Theoretical Studies of Quinones.
| Content Provider | Semantic Scholar |
|---|---|
| Author | Rozeboom, Melvin D. |
| Copyright Year | 1981 |
| Abstract | M e t h y l s u b s t i t u t e d p i p e r i d i n e s , o x a n e s , 1 , 3 d io x a n e s , and c y c lo h e x a n o n e s w ere s tu d i e d by p h o to e le c t r o n s p e c t r o s c o p y ( p e s ) to d e te rm in e th e m echanism by w h ich a lk y l g ro u p s s t a b i l i z e r a d i c a l c a t i o n s . H y p e rc o n ju g a tio n was found to be th e do m in an t m echanism , w h i le i n d u c t iv e e f f e c t s and c h a rg e in d u c e d p o l a r i z a t i o n w ere i n d i c a t e d to be l e s s e f f e c t i v e . N -A ry la z a c y c lo a lk a n e s w ere s tu d i e d by p es to c o r r e l a t e s o l u t i o n b a s i c i t i e s w i th I o n i z a t i o n p o t e n t i a l s ( I P s ) . C o n fo rm a tio n a l a n a l y s i s o f th e s e compounds I n d ic a te d t h a t a r y l s u b s t i t u t e d a z l r l d i n e s a r e c o p la n a r ( c o n ju g a t in g ) i n a l l c a s e s s t u d i e d , w h ile o r th o s u b s t i t u e n t ( s ) may c a u se r o t a t i o n and l o s s o f c o n ju g a t io n be tw een th e lo n e p a i r and th e p h e n y l r i n g a s th e am ine r i n g s i z e i s I n c r e a s e d . N -P h e n y lp ip e r id in e was I n d ic a te d to be n o n c o p la n a r , d e s p i t e th e l a c k o f o r th o s u b s t i t u e n t s . P e s s t u d i e s o f p h e n c y c l id in e and a num ber o f i t s a n a lo g s d e m o n s tra te t h a t th e am ine lo n e p a i r IP c h a n g e s p r e d i c t a b l y , d e p e n d in g on th e n a tu r e and l o c a t i o n o f th e s u b s t i t u e n t . The p h e n c y c l id in e a n a lo g s w h ic h hav e th e lo w e s t IP s a r e th e m ost r e a c t i v e i n r a t b e h a v io r a l s t u d i e s and b in d in g s t u d i e s . Some e x o c y c l lc a lk e n e s w ere s tu d ie d by pes to t r y to c o r r e l a t e th e IP w i th th e o b se rv e d r e a c t i v i t y and r e g l o s e l e c t i v i t y i n 1 ,3 d l p o l a r c y c lo a d d l t i o n s . Cumenes and c y c lo p ro p y lb e n z e n e s w ere s tu d i e d in an a t te m p t to c o r r e l a t e IP s w ith p h o to c h e m ic a l |
| File Format | PDF HTM / HTML |
| Alternate Webpage(s) | https://digitalcommons.lsu.edu/cgi/viewcontent.cgi?article=4697&context=gradschool_disstheses |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |
