Provide a detailed mechanism for the transformation shown. Remember to show all steps. OH H3PO4, A What type of general reaction occurs in the last step of the transformation above? Write out your answer, take a picture, and embed it as an image using the following steps.

2. Provide a mechanism for the reactions shown below. Use curved arrows to show the movement of electrons. Br H₂O t-Hu OH +

write complete mechanism for reaction. show electron pushing arrows.

Show an example of this mechanism using this general reaction.

4) Show the most likely product(s) for each step in the reaction sequence shown below. Br Product C Mg diethyl ether 1) CO2 2) H3O+ Product C ㄷ Product D

First, identify a synthetic route for the production of 1-butyne from acetylene. 1st 2nd reagents reagents H -H Br The transformations above can be performed with some combination of the reagents listed below. Give the necessary reagents in the correct order for each transformation, as a string of letters (without spaces or punctuation, such as "EBF"). If there is more than one correct solution, provide just one answer. A B с Mel Br2₂, hv E F H₂, Lindlar's cat. HBr H HBr, ROOR H₂, Pt Br D HC=CNa G NaNH, 1st reagents: 2nd reagents:

Using any number of steps and reagents with only the carbon sources in the box, synthesize the product depicted on the right-hand side. For any 'named' reaction, provide the name of the step below the rection arrow, as well as the class of reaction (oxidation, reduction, EAS, SN2, etc) for each reaction. Me НО. Br Me og Me Me Me Me II. Me

Draw the product(s) of the reaction below. O: H + Add/Remove step Х Click and drag to start drawing a structure.

Hi! Could you please show me the mechanism to get this product? Also what is the name of this type of reaction? Thank you!

Complete the reaction scheme below. Show all reagents and intermediates. No reaction is a possible answer. Do not neglect stereochemistry. NaCN DIBAL Br в A "OCH3 (sodium cyanide)