Complete the reactions given in Fig. P15.80 on, giving the structures of all reasonable products and the reasoning used to obtain them.

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e (b) "a-d- 0.6 + O -C=C- (d) heat + H₂ +CH₂OL_C=C-LOCH, Ph-CH=CH-CH=CH-Ph + CH₂OC-C=C-COCH3 (both double bonds are trans) H₂C=C=CH-CH=CH₂ (2 equivalents) Lindlar catalyst + benzoquinone heat