(a) Which carbocation is more stable: the carbocation formed by protonation of isoprene at carbon-1 or the...

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(a) Which carbocation is more stable: the carbocation formed by protonation of isoprene at carbon-1 or the carbocation formed by protonation of isoprene at carbon-4? Explain.HC HC C-CH 3 isoprene CH 4

(b) Predict the products expected from the addition of one equivalent of HBr to isoprene; explain your reasoning.

(c) Predict the products expected from the addition of one equivalent of HBr to trans-1,3,5-hexatriene; explain your reasoning.

(d) In parts (b) and (c), which are likely to be the kinetically controlled products and which are likely to be the thermodynamically controlled ones? Explain.

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Organic Chemistry

ISBN: 9781936221349

6th Edition

Authors: Marc Loudon, Jim Parise

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