Comparing the SN1 and SN2 Reactions
…References and Further Reading 1. But First: The Cats And The Comfy Chair But first – have you ever heard the story of the cats and the comfy chair? Cat…
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How To Do Well In Organic Chemistry: Advice From A Tutor
…all over the country. The exams are ranked as easy, medium and hard. http://www.aceorganicchem.com/organic-chemistry-practice-exams.html 3. Prepare For Three Common Types Of Exam Problems The typical organic chemistry exam will consist…
Read moreAlkene Addition Pattern #3: The “Concerted” Pathway
…p.43 (1978). DOI: 10.1021/orgsyn.058.0043 A reliable procedure for the Upjohn dihydroxylation in Organic Syntheses. Note that the name comes from the Upjohn company in Kalamazoo, MI (later acquired by Pfizer),…
Read moreThe SN1 Mechanism
…into consideration. The Reactivity of Bridgehead Compounds of Adamantane Paul von R. Schleyer and Robert D. Nicholas Journal of the American Chemical Society 1961, 83 (12), 2700-2707 DOI: 1021/ja01473a024 Bridgehead…
Read more“America’s Top TA” Shares His Secrets For Teaching O-Chem
[image photo credit: www.nyapplecountry.com] What does it take to be a great organic chemistry TA? A few weeks ago, Dan Coiro, a graduate of Rutgers University, was awarded the title…
Read moreBulky Bases in Elimination Reactions
…Two Common Bulky Bases Are The t-Butoxide Ion And Lithium Di-Isopropyl Amide (LDA) (Advanced) References and Further Reading 1. “Normal” E2 Reactions Follow Zaitsev’s Rule, Giving The “More Substituted” Alkene…
Read moreAntiperiplanar Relationships: The E2 Reaction and Cyclohexane Rings
…bottom line here [and trust me, this comes up in tests, a lot!] is that you always want to pay attention to what side of the ring your leaving group…
Read moreInterview: How Jay Got an A+ In Organic Chemistry
…or comments. I have a pretty thick stack of reaction sheets now, since there are two for every functional group. Completing reaction sheets fully and on time was key for…
Read moreDeciding SN1/SN2/E1/E2 – The Solvent
…Brandon J. Karlow, and Jean E. Schneider The Journal of Organic Chemistry 2014 79 (3), 867-879 DOI: 10.1021/jo4026644 A more recent article about competition between SN2 and E2 reactions. https://www.sciencedirect.com/science/article/abs/pii/S0040402001972503…
Read moreAlkene Addition Pattern #2: The “Three-Membered Ring” Pathway
…post look repetitive? They should! https://www.masterorganicchemistry.com/wp-content/uploads/2021/01/3-mem-ring-path.mp4 The lesson for this very long post from today is that one can group together a sizable number of different reactions by identifying their…
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