例句與造句

1. Typically, electron deficient olefins are oxidized more slowly than electron rich ones.
2. The 5-position is less electron deficient and substitutents there are quite stable.
3. Following this transfer event, the electron deficient anion undergoes internal rearrangement and fragments.
4. One method for palladium-catalyzed cross-coupling reactions of electron deficient arene.
5. The classical Ullmann reaction is limited to electron deficient aryl halides and requires harsh reaction conditions.
6. It's difficult to find electron deficient in a sentence. 用electron deficient造句挺難的
7. In organic solution the electron deficient self-assemble by formation of a charge transfer complex.
8. C 60 behaves very much like an electron deficient alkene and readily reacts with electron rich species.
9. Then, followed by intramolecular nucleophilic substitution, the second hydroxyl group attacks the electron deficient carbon.
10. Metal atoms contain few electrons in their electron deficient elements and the communal sharing does not change that.
11. The metal complex must be electron deficient in nature, allowing it to accept electrons from the superoxide.
12. Most squaraines are encumbered by nucleophilic attack of the central four membered ring, which is highly electron deficient.
13. In this reaction the leaving group is an electron deficient acyl group ( owing to the presence of three fluorine groups ).
14. But I don't see how RCOOH is any more electron deficient compared to R ( C = O ) H.
15. However, an electron deficient metal is more favorable for the transmetalation and reductive elimination steps, making electron withdrawing ligands the best here.
16. BF 3 is commonly referred to as " electron deficient, " a description that is reinforced by its exothermic reactivity toward Lewis bases.
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