Class notes for Test 3_part 2

Class notes for Test 3_part 2 - Title: Jul 11 10:27 AM (5...

Info iconThis preview shows pages 1–8. Sign up to view the full content.

View Full Document Right Arrow Icon
Note: Few alkenes are soluble in water Liquid bromine is dangerous, so an alternative source is sometimes used: N­bromosuccinimide (NBS) Example: Title: Jul 8 ­ 10:50 AM (1 of 8)
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Markovnikov products from bromination/halegonation reactions: Title: Jul 8 ­ 10:54 AM (2 of 8)
Background image of page 2
Hydration Mechanism: Drawbacks: Addition of Water to Alkenes 1. Hydration: Title: Jul 11 ­ 10:15 AM (3 of 8)
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
2. Oxymercuration: Involves an alkene treated with the following: Example: Title: Jul 11 ­ 10:20 AM (4 of 8)
Background image of page 4
Oxymercuration Mechanism: Markovnikov Product Similar to the halohydrin reaction
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Background image of page 6
Background image of page 7

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Background image of page 8
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: Title: Jul 11 10:27 AM (5 of 8) 3. Hydroboration: Addition of a BH bond Forms an organoborane intermediate Example: Intermediate: Regiochemistry: The resulting products are syn and antimarkovnikov Title: Jul 11 10:38 AM (6 of 8) Why? Two main reasons: 1. Hydroboration occurs as a single step w/o a carbocation intermediate. The intermediate has a large degree of polar character. Example: Title: Jul 11 11:11 AM (7 of 8) 2. Steric Crowding: Example: Practice problem: Title: Jul 11 11:18 AM (8 of 8)...
View Full Document

Page1 / 8

Class notes for Test 3_part 2 - Title: Jul 11 10:27 AM (5...

This preview shows document pages 1 - 8. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online