D) H=C=C—H ? ? HO OH OH Racemic HO Synthesis question Show how the starting material can be converted to the product through any of the reactions you have learnt in O. Chem. 1. Show all the reagents you need and indicate the stereochemistry when appropriate. You do not need to show arrow pushing like in a mechanism question, only the reactions. If a racemic mixture is formed draw both enantiomers and write "racemic" next to the two structures. All carbon atoms in the product should come from the starting material. Use as many molecules of the starting material as you might need to get to the product.
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- Draw the final product of this series of reactions. |||** OH 1. SOCI₂ 2. NaCN • Use the wedge/hash bond tools to indicate stereochemistry where it exists. • If more than one product is possible, only draw the major product. • If the reaction produces a racemic mixture, draw both stereoisomers.Fill in the missing structure(s) for the reaction pathways shown below. Provideall starting material(s), reagent(s), or product(s). If more than one product can beformed, draw all major products. If more than one starting material or reagent ispossible, write all starting materials or reagents. Include stereochemistry in youranswer, if applicable, and draw all stereoisomers.synthesis question: show how the starting material can be converted to the product through any of the reactions. Show all the reagents you need and indicate the stereochemistry when appropriate. If a racemic mixture is formed, draw both enantiomers and write "racemic "next to the two structures. You don't need to show arrow pushing like a mechanism question. Only the reactions. All carbon atoms in the products should come from the starting material. Use as many molecules of the starting material as you might need to get the product
- Curved arrows are used to illustrate the flow of electrons. Use the reaction conditions provided and follow the arrows to draw the intermediate and product in this reaction or mechanistic step(s). Include all lone pairs and charges as appropriate. Ignore stereochemistry. Ignore inorganic byproducts. I I I I H N. H HCI Drawing H o I I I I Ireaction of this alkene to the different reagents written above and below the arrowsThe following reaction conditions gives a mixture of two addition products A and B shown below. CI. HCI Ph Ph Ph Ph Ph A B via rearrangement via rearrangement >Draw< a clear mechanism using electron-flow arrows showing the formation of both products (A and B) from the starting materials. Transition states are not required and ignore the stereochemistry in this question. Do not use any other compounds in your answer except those given. Note that this is not a synthesis question. OYork rk.Unesk 020
- 7. These are synthesis questions. You need to show how the starting material can be convertec the product(s) shown. You may use any reactions we have learned. Show all the reagents you r Show each molecule synthesized along the way and be sure to pay attention to the regiochem and stereochemistry preferences for each reaction. If a racemic molecule is made along the you need to draw both enantiomers and label the mixture as "racemic". All of the carbon atoms of the products must come from the starting material for this one! ? YYI am studying so much but I am not sure if these are correct. Can you go over it plsss? A Hoffmann product is O the result of the fastest mechanistic process. the most highly substituted alkene possible. the same as the Zaitsev's product, but the term "Hoffmann" is used for E2. the most stable alkene. What does Zaitsev's rule state? As the degree of substitution around the C=C of an alkene decreases, the stability of alkene increases. None of the statements is correct. O As the degree of substitution around the C=C of an alkene decreases, the stability of alkene decreases. As the degree of substitution around the C=C of an alkene increases, the stability of alkene decreases.Ochem help... What are the major organic products formed in the following reaction? *see attached image*
- Synthesis question. Show how the starting material can be converted to the product through any of the reactions you have learned in OChem 1 and OChem 2. Show all the reagents you need and indicate the stereochemistry when appropriate. You do not need to show arrow pushing like in a mechanism question, only the reactions. If a chiral molecule is formed mark the chiral center with an asterisk (*) and write "racemic" below the structure unless the chiral center has unambiguous stereochemistry. All carbon atoms in the product should come from the same starting material. Use as many molecules of the starting material as you might need to get to the product. You can use carbon containing reagents for temporary protection of functional groups, if needed. A) B) CO2 NH₂ -OH OH KCN -NH2Alkene bromination. The two butane isomers react with Br2. Draw the key reaction inter- mediates and the product(s); use arrow pushing to explain the stereochemical outcomes of the reactions Final Products Intermediate Br2 Intermediate Final Products Br2Curved arrows are used to illustrate the flow of electrons. Using the provided starting and product structures, draw the curved electron-pushing arrows for the following reaction or mechanistic step(s). Be sure to account for all bond-breaking and bond- making steps. Drawing Arrows C H HH :CHO ww M