... Pd(Ph 3 P) 4 , reflux, 68%; (d) DDQ, MeCN-H 2 O (9:1), rt, 90%; (e) i. Ph 3 PCH 2 I, BuLi, anhyd THF, 0 °C, ii. 27, rt, 63%. A similar strategy was applied for the synthesis of 1-but-3-enyl-3,5- diiodobenzene (32) (Scheme [7] ). The bromoarene 6 was converted into acetal 29, again ...