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Cinnamic acid is ortho-para directing. Explain |
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Answer» Solution :It is easier to explain this ORIENTATION by CONSIDERATION of the stabilities of the various carbonium ions. For p-attack For m-attack ` (##FIITJEE_CHE_MB_08_C03_SLV_005_S01.png" width="80%"> Only in case of o and p-attack spreading of positive charge to the side chain is possible , thereby STABILIZING these more than m-attack. |
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