0243Pb20anp2-09 - H Br H H Br Bromide will now add to the...

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
HBr (b) There are two products of the addition of HBr to 1,3-butadiene. What are they, and how are they formed (arrow formalisms, please)? X + Y Answers to Problem 20, Chemistry 0243 - 2009, p2 There are two possible protonations. By far the more favored ion is the following: (why?)
Background image of page 1
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: H Br H H Br Bromide will now add to the two carbons sharing the positive charge to give the following two products. H H Br Br You can draw the arrows, but WATCH OUT! Do not fall into the trap of thinking that those resonance forms have a separate existence. THEY DO NOT! and...
View Full Document

This note was uploaded on 03/02/2010 for the course CHEM orgo taught by Professor Jones during the Fall '10 term at NYU.

Ask a homework question - tutors are online