Question

9.27 All the fol All the following reactions have been described in the chemical literature and proceed in good yield. In some cases the reactants are more complicated than those we have so far encountered. Nevertheless, on the basis of what you have already learned, you should be able to predict the principal product in each case. (a) NaC=CH + 01 Br Br. 1. excess NaNH, NH3 (b) Br Y 2. H2O Br ci on fa KOC(CH3)3, DMSO heat von c=cka + cachof- C=CNa + CH3CH OS CH, - >

Answer 1

Saln Na CECH + 'Iistetter leavindwup then NaI BY (i NaNHa (NH H2O BY He BY Na NH BY NGNHE Product Buya KOCCHDMSO us sulstikuted alkinu an a Majoy Preluct CH2H Praduct iv) CECNA + -CEc-C Produch 3rod leaving No