A student, Cringe Labrack, has suggested each of the faulty synthetic procedures shown in Fig. P22.73. Explain why each one cannot be expected to work.

Transcribed Image Text:

NadEt CHAI NaOEt PhBt a) CH,CH CO,Et (c OH CH CHCO,EtH OH CH PBr (cat.) CH3CH.CO.H → H3C-CH-CH-CO,H ether 2) H,O OH CH,CH C CH HC-CH H,C-CH-CH-C-CH,CH, ーCH -CH, Figure P22.73