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Predict the products of the following reactions : (iii) R-CH=CH-CHO+NH_2-overset(O)overset(||)(C )-NH-NH_2overset(H^+)(rarr) (iv) |
Answer» Solution : (ii) `NH_2` attached to `NH` is more nucleophilic than `NH_2`, attached to `C=O`group, therefore, reaction OCCURS through `NH_2` attached to NH to GIVE the CORRESPONDING semicarbozone, i.e., `R-CH=CH-CH= O + H_2 NNHCONH_2 RARR R -CH=CH-CH= NNHCONII_2 + H_2O` (IV) 
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