Show how each of the following compounds could be prepared from 3-pentanone. In most cases more than

Question:

Show how each of the following compounds could be prepared from 3-pentanone. In most cases more than one synthetic transformation will be necessary.
(a) 2-Bromo-3-pentanone
(b) 1-Penten-3-one
(c) 1-Penten-3-ol
(d) 3-Hexanone
(e) 2-Methyl-1-phenyl-1-penten-3-one