Question

Rapid, dau coronița​

Answer 1

radicalii alchil in mare parte sunt S(I) orienteaza intrarea unui nou subst. in o- si p-

in acest caz putem avea:

1-R-2-X-4-Y

1-R-2-Y-4-X

1-X-2-R-4-Y

1-X-2-Y-4-R

1-Y-2-R-4-X

1-Y-2-X-4-R

=> 6 izomeri