Using the curved-arrow notation, provide mechanisms for each of the reactions given in Fig. P22.91. (a) (b)

Using the curved-arrow notation, provide mechanisms for each of the reactions given in Fig. P22.91.

Transcribed Image Text:

(a) (b) (c) (d) (e) i H3C-C-CH₂-CO₂Et + PhCO₂Et CH,(CO,Et), + PhC- H PhO—CH=CH OH PhC-CH₂-CO₂Et + CH3CO₂Et (removed as it is formed in the first reaction) && PhO-CH=CH-C -CH3 CH₂ i -CH3 Ph—CH–CH=CH–CH NaOEt EtOH NaOEt H₂O, H₂O+ 1) H₂O, "OH 2) H₂O, H₂O+ KOH EtOH/H₂O H₂O+ NaOH H₂O H₂O, H₂O+ heat Ph O=CH-CH₂-C-CH3 + PhOH O=CH-CH₂-C-CH3 + PhOH i Ph—C–CH,CH,CH, Ph