Match the column
Column-I | Column-II |
(i) | [A] E1cb |
(ii) | [B] Stereoselective |
(iii) | [C] E2 |
(iv)
| [D] Stereospecific |
Text Solution
Verified by Experts(i) [B]; (ii) [B]; (iii) [A]; (iv) [B]
(i) [B]
(ii) [B],[C]
(iii) [A],[B]
(iv) [B],[C]
Sol.
In general all stereospecific reactions are
stereoselective
When H + is abstraction resulting to stabilisation of
then elimination proceed through E 1 cb as
happened in
In B starting material is Z and in the product O & I are syn to each other but if we start with E we get different product. Thus the reaction is stereospecific.
The reaction proceed through anti elimination therefore
generating one of the diastereomer in preference to other the reaction is stereoselective.
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