4. Show the mechanism and predict the major products of the following reactions. Include stereochemistry where appropriate. a) HBr ROOR

1. Propose a mechanism for the following transformation. Use arrows to show the electron flow. Include all intermediates and non-zero formal charges. Indicate stereochemistry where applicable. Determine the major product if it is not provided. excess HCI

1. Predict-the-Product Draw the structure(s) of the major organic product(s) formed in the following reactions. Please indicate stereochemistry where appropriate. a. Br HNO3 H₂SO4

You must prepare the most stable possible alkene starting from the starting material given below and following an E2 elimination reaction. H Base Ö most stable alkene CH3 Ph Et Br Ph

Chemistry please solve as soon as possible Q6. Predict the major product(s) of the following reactions. Show stereochemistry where applicable. KOC(CH3)3 (a) (CH3)3COH OH H3O* (b) (c) (d) Br₂ H₂O 1. Hg(OAC)₂, H₂O 2. NaBHA

1. Write the detailed mechanism for the formation of the major product in each of the given reactions. Show proper stereochemistry in the product(s) where needed. d) OH OH H₂O* c) 1) BH, THF 2) H₂O₂, OH

III. Predict the Product. For each of the following reactions, please identify the type of reaction favored (either SN 1, S N 2, E1, E2) and draw the major product(s). If there is no reaction, please indicate as "NR." Note: be sure to clearly show product stereochemistry! d) f) Br Br Br NaOEt HOEt H₂O "warm" H₂O Δ

Draw the structure of the major product(s) of the following reactions. Clearly show stereochemistry if appropriate.

how do i find the freezing point of this graph?

Complete each reaction sequence below by filling in the boxes for reagents and intermediate structures. For each reaction, provide the class of pericyclic reaction (electrocyclic, cycloaddition, sigmatropic), classify the type (ring opening, ring closing, or a numerical class), and give any relevant information such as con- or disrotatory. OCH3 OCH, OCH3 Classify: Classify: