Yes @Viraj sort of
Got 2nd one @Viraam_Rao
Is soln for 1st given at back of book?
Edit: got 2nd one too. It's just simple 'Michael Addition'. I knew had seen this type of rkn somewhere, it was just not clicking.
You know michael addition, Viraam? It must be given in the book. If not, let me know, i will send notes