Introduction to Rearrangement Reactions
…resulting in breakage and formation of a C-H or C-C bond, and formation of a new carbocation. The new carbocation (generally more stable) then undergoes a second reaction to give…
Read moreSearch results for: "New MB-210 Exam Cram 🛫 MB-210 Exam Flashcards 👎 MB-210 Training Materials 🚋 The page for free download of ➠ MB-210 🠰 on ⏩ www.pdfvce.com ⏪ will open immediately 📐New MB-210 Test Voucher"
Cope Rearrangement
…Example 4 is an Oxy-cope reaction, which forms an enol that then tautomerizes to an aldehyde. The last example shows an Oxy-Cope where a new 10-membered ring is formed. Mechanism:…
Read moreThe Most Important Question To Ask When Learning a New Reaction
…to “what happens” is a prerequisite to being able to answer “how it happens”, or “why it happens”. And it’s a completely learnable skill. It’s a skill that someone could…
Read moreClaisen Rearrangement
…by about 20 kcal/mol, owing mostly to the greater strength of C-O (pi) bonds (80 kcal/mol) versus C-C (pi) bonds (60 kcal/mol). Examples: Notes: In the first two examples, heating…
Read moreBasic Hydrolysis of Esters – Saponification
…intramolecular version. It involves no new concepts, but it looks weird, and for this reason intramolecular reactions make for good exam problems. In this case a cyclic ester, called a…
Read moreAddition of Organolithiums to Carboxylic Acids
…The purpose of H3O+ at the end is to protonate the negatively charged oxygen. Examples: Notes: Each of these four examples show the addition of two equivalents of an organolithium…
Read moreOrganic Chemistry Study Tips: Learn the Trends
…more or less random examples I pulled off the top of my head: These are further examples of concepts, or relationships between properties. If you look at practice exam problems,…
Read moreHalogenation Of Ketones via Enols
…bromine like N-bromosuccinimide (NBS). Various acids can be used (e.g. HBr, acetic acid (AcOH). Examples: Notes: Example 1 shows formation of a new C-Br bond using HBr and Br2. Example…
Read morePartial Charges Give Clues About Electron Flow
…formal charge) Common Mistakes: Formal Charges Can Mislead A Key Skill: How to Calculate Formal Charge Nucleophiles and Electrophiles The Most Important Question To Ask When Learning a New Reaction…
Read moreAmine Protection and Deprotection
…Examples 2 and 3 show CBz protection. Example 4 shows a Boc deprotection of the amine under acidic conditions which leaves the CBz protected amine unaffected. Example 5 shows removal…
Read more