Consider the following reaction sequence: Part: 0/3 Part 1 of 3 OH pyridine [1] -SO,CI NaSCH₂ [2] Draw the structure of the tosylate formed in Step [1] of the reaction sequence shown, including appropriate stereochemistry. Do not use abbreviations for any portion of the tosylate structure. Click and drag to start drawing a structure.

Acyl transfer (nucleophilic substitution at carbonyl) reactions proceed in two stages via a "tetrahedral intermediate." Draw the tetrahedral intermediate as it is first formed in the following reaction. H3C HCI / H2O `NH2 reflux • You do not have to consider stereochemistry. • Include all valence lone pairs in your answer. • Do not include counter-ions, e.g., Na", I, in your answer. • In cases where there is more than one answer, just draw one. opy aste Previous Next

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Draw the structure of the organic product that is formed when the compound shown below is treated with the following reagents: 1) TsCl, pyridine; 2) NaCN. Interactive 3D display mode H₂Cl OH Draw the molecule on the canyas by choosing buttons from the Tools (for bonds), Atoms, and Advanced Template toolbars. The single be

2) Complete the following: Stereochemistry and regiochemistry may be important. a) b) C) d) e) type type type OCH 3 type type OH CH₂OH EAS - Nitration H₂ Lindlar Catalyst KMnO4 NaOH/H₂O + OCH3 "OCH 3 Br CHO OH OH f) g) h) i) j) type type OCH3 type type type OH Bronsted-Lowry acid base chemistry CO₂Me OH K Friedel-Crafts Acylation NO₂ a) LIAIH,₁, ether b) H₂O* H₂SO4 OH OH NH₂

I'm stuck on step 3. Please help, thank you

Draw the product(s) of the following reactions. ● (CH3)2CHCH₂-CEC-CH₂CH3 . • You do not have to consider stereochemistry. Separate multiple products using the + sign from the drop-down menu. You do not have to explicitly draw H atoms. • If no reaction occurs, draw the organic starting material. 985 *** /// ? [References] ChemDoodle 1. BH3/THF 2. H₂O2 aqueous NaOH

Complete the generic mechanism for an electrophilic aromatic substitution (EAS) reaction using E as the electrophile, and show how the sigma complex is resonance stabilized. Use curved arrows to show the mechanism and the conversion between resonance structures. Make sure to add any missing charges. Note the use of a generic base (B) in the last step. Then, label the reaction coordinate diagram for a typical EAS reaction by correctly placing the structures on the diagram. Step 1: add a curved arrow. Select / |||||| Draw CH Rings Groups More Erase slow WE

a) Write down the products that will occur when you withdraw HBr from 2-bromine-3-methyl butane in a basic medium, State the reaction conditions. Show which product is the main product. b) Does the main product show the geometric isomer, so please write together. If it shows write the isomers. c) Write the product that will be formed when the main product reacts with KMnO4 in a basic environment in cold.

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