This problem describes the result that established the intrinsic preference for L, Z-addition in the reaction of hydrogen halides with conjugated dienes.
(a) What is the relationship between the products of 1, 2- and 1, 4-addition in the following reaction?

(b) How does the use of DCI change this relationship, if at all?

(c) The reaction with DCI gives mostly the kinetically controlled product. Give the structure of this product.

Transcribed Image Text:

(E)-HC CH CH CH CH HCI E)-H,C-CH-CH-CH-CH, + DCI-