Term
| Why does the addition to an olefin occur? |
|
Definition
| s bonds stronger than p bonds |
|
|
Term
|
Definition
during the ionic addition of an
unsymmetrical reagent to a double bond, the + portion of the adding reagent attaches itself to the
carbon atom of the double bond so as to yield the more stable carbocation |
|
|
Term
| What is a purpose of Oxymercuration |
|
Definition
| used to avoid carbocation rearrangements when adding H2O to an alkene |
|
|
Term
| Hydroboration can be best describes as |
|
Definition
| BH3 readily adds to alkenes, many synthetic uses for resulting organoborane |
|
|
Term
| How does hydroboration add to less sterically hindered olefinic carbon? |
|
Definition
| it yields anti-Markovnikov products |
|
|
Term
| When we say hydroboration is stereoselective... |
|
Definition
| BH2 adds to less sterically hindered face of double bond |
|
|
Term
| Given a choice, H2O attacks atom with... |
|
Definition
|
|
Term
| Carbenes are best summed up as |
|
Definition
| divalent carbon species; highly electrophilic due to incomplete octet |
|
|
Term
| What typically happens in the reactions of carbenes? |
|
Definition
| The carbene adds to a multiple bond. |
|
|
Term
| Alkenes can be oxidized with peroxycarboxylic acids, RCO3H, to give ... |
|
Definition
|
|
Term
| Epoxidation is stereospecific, meaning? |
|
Definition
| Stereochemistry is preserved throughout reaction |
|
|
