Point out the flaws in the following incorrect Grignard syntheses. (a) (b) (c) (d) Br CH Ph
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(a)
(b)
(c)
(d)
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он Br CH Ph (1) Mg. ether (2) Ph-CHO (3) Ho a,0 (1) Mg. ether (2) H,C-O (3) Ho HOCH2 он () CH,CH2MgBr (2) H30 он он
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