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- Which of the following molecules will NOT lead to a successful synthesis of a Grignard reagent upon reaction with magnesium? CI https://ibb.co/54Jw34p 2 Me. OMe https://ibb.co/6655LTH Br но https://ibb.co/2nfzPmX O Me `Br https://ibb.co/wo93ymS 2 Br MeO https://ibb.co/Hq2s6ck 2Identify the structure of the product in the following reaction. Provide a suitable mechanism with proper justification OTs TMS Cs,Co, NHTS Tetracyclic Compound C23H21NO2S Ph Me Of 18-crown-6 Mol. wt. 3753. Propose a mechanism and predict the product. Include any relevant stereochemistry. a) HCI b) CH,N2 CH,N2 = H2C-NEN HO,
- Give the mechanistic Symbols CE1, E₂, SN, SN²) that are Con Sistent with Statemenst! most each of the following O Methyl halides react with Sodium ethoxide in eth and only by this mechanism In ethanol that contains Sodiumn ethoxide, tert-butyl bromide reacts mainly by this mechanism c) these reaction Con certed DJ these involve are mechanisms infere processes reactions mechanisms carbc cation intermedites E) Reactions proceeding by mechanisms are these Sterospecific(a) Provide a detailed mechanism for the reaction below. Explain any selectivity issues that arise. Ms = ---S -Me OMS CI + PhMgBr .CI44. Complete the following reaction: H&C- C-C-C-CH HH CH₁ + Na2Cr2O7 Give detailed mechanism Solution with explanation needed. don't give Handwritten answer
- What will be the major product of the following reaction and what is the likely mechanism for its formation? (CH;);COK Br racemic OCCCH3)3 OCCH3)3 ÓCCCH3)3 A B C D E35) What is the correct order of reagents to achieve the following synthesis? A) i) NH2NH2, H3O* (aq); ii) NaOH (aq) & A Reactant structure: Target molecule: B) i) LIAIH«, THF; ii) H2O & A C) i) NABH4, EtOH; ii) H2O & A CH3 CH3 D) i) DIBAL-H ii) H3O* (aq) & APredict the Product of the reaction and indicate regiochemistry and stereochemistry when relevant. PLEASE EXPLAINE! Thank you!
- Q3- Write the detailed mechanism of synthesis of the compound (A). using suitable starting materials. [ O₂N O₂N H₂CO Compound A b- H₂CO HN H₂CO NO₂ 20 NH₂ NH₂Q3. Please provide a curved arrow mechanism that can explain the reaction shown below. i) LDA ii) aq. workup Me Me TBSO CI Q4. a) Identify the main products of the following cycloaddition reactions. In each case, provide a curved arrow mechanism that accounts for their formation. Me OH H Me b) Provide a clear drawing that explains the stereochemistry of the product.(b) How can be prepared from OEt CO,Et and at EtO OEt EtO2C 95 °C ? Provide the mechanism.