Exam Flashcards
1
Q
What are the features of a singlet carbene?
A
Both electrons in the sp2 orbital.
Connected to halogens.
React in concerted manner.
Electrophilic so attack electron-rich alkenes.
2
Q
What are the features of triplet carbenes?
A
One electron in the sp2 orbital and one in the p orbital.
Connected to alkyl groups.
React in a stepwise manner (alkene geometry not necessarily retained).
