Organic Chemistry ACS Final (with Complete Solutions) 2024.
Basicity rules correct answers -strong base: unstable/reactive (ED groups)
-weak base: stable (EW groups/more EN/bigger)
Chair conformation correct answers -more stable equitorial (slanted)
-pointing up/pointing down=cis if both up
-elimination: trans and diaxial
Newman projection correct answers -gauche: substituent groups adjacent to eachother
-grab middle and turn to put in plane
Enantiomers correct answers -not superimposable mirror images
-same besides stereochemistry
Diastereomers correct answers -mirror images but one stereocenter stays and another is changed
Meso correct answers -at least two stereo centers
Alkene + HBr correct answers -adds Markonikov
Fischer projection correct answers -vertical plane: away
-horizontal plant: towards
-assign priorities -turn 90 then put on side
Electrophilic addition to alkene correct answers -forms carbocation
-E+ adds
1.Hg(OAc)2, H2o
2.NaBH4
alkene correct answers -forms mercurnium ion -no rearrangement
-Mark addition of OH
1. B2H2
2.H2O2, NaOH
alkene correct answers -anti-Mark addition of OH
-syn addition of the H added
Br2 to alkene correct answers -anti addition
-adds to both sides
-could be allylic shift; 1,2 and 1,4 mixture 1.H2o,H2SO4
2. HgSO4
alkyne correct answers -Mark OH intermediate (enol)
-ketone isolated
Diels Alder correct answers -diene: two double bonds
-dieneophile: one double bond at least; two EW groups
-partial charges line up
-maintain regioselectivity/stereoselectivity
-endo position most stable substituents (pointing down)
Acid catalyzed hydration of alkenes correct answers -H20 is nucleophile
1. (SiaBH)2
2.H2O2, NaOH
alkyne correct answers -anti Mark OH intermediate (enol)
-aldehyde isolated
Halogen addition to alkene correct answers -forms ion (triangle)
-Nucleophile would attack more sub. side
Kinetic product correct answers -fastest
-1,2 additon
-organometallics, strong basic nucleophiles
Thermodynamic product correct answers -more stable alkene
-1,4 addition
-weak basic nucleophiles
HCCl3 and base
alkene correct answers -forms CCl2
-makes triangle with alkene (like an epoxide)
Imine correct answers -carbonyl and primary NH2
-forms a C=NH-R
Enamine correct answers -carbonyl and secondary NH2
-lose water
-forms C=N-R2
1.LiAlH5
2.H3O+ correct answers -reduces aldehydes, ketones, esters, acids
NaBH4
CH3OH correct answers -reduces aldehydes and ketones
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through EFT, credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying this summary from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller Mansanto. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy this summary for R191,25. You're not tied to anything after your purchase.
