> 2. Predict the products and draw the mechanism of the reaction below showing any relevant transition states. Additionally, name the reactant and the product properly indicating stereochemistry. ch₂ Br NaOEt DMSO CH
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- Predict the major product in the following reaction. Be sure to draw it with well-defined stereochemistry as necessary. H2, Lindlars cat.b) DRAW THE product of each of the following reactions? DRAW expected product stereochemistry, where NEEDED TO b) חוו H3C- Pd(OAc)2 Ag2CO3 dppe H OBn 1. B2H6, THF CH3 CH3 2. NaOH, H2O2 B 0Draw the major organic product of the reaction shown below. Он H2SO4 You do not have to consider stereochemistry. • You do not have to explicitly draw H atoms. • In cases where there is more than one answer, just draw one. opy aste ChemDoodle
- Predict the major product in the following reaction. Be sure to draw it with well-defined stereochemistry as necessary. cat. OsO4, NMOQ1: Determine the major product(s) of the following reaction with correct stereochemistry where applicable. H2SO4 (cat.) H) XH OH heat Br 1) MeOH SN1 Q2. Ranke the following in the order of increasing reactivity towards SN1 reaction. CH3 CH3 CH3 H2C CH2 CH3 CH3 H₂C CH2 CH3 CH3 H2C CH2 H3C Br H3C Br H3C CI Br I ။ III IV Least reactive Most reactiveA3. Draw a detailed mechanism for each of the following reactions (draw each step and intermediate clearly, show all appropriate electron pushing arrows). Name all the intermediates (carbocations) and describe each mechanistic step. For example, proton transfer, alkyl migration, rearrangement, etc.
- 1. Predict the major product of the following reactions. Where necessary, include correct stereochemistry/regiochemistry. Where the problem involves ortho, para directors, draw only the para isomer. HNO3 Fe 5u3 2 Ta HNU3Draw a curved arrow mechanism that accounts for the cyclisation of 2 into F [ please make sure your mechanism takes into account stereochemical considerations including the stereoselectivity of the reaction and clearly indicate if a conrotatory or a disrotatory process is responsible for each of the transformations]. can you please explain how you decide and select the stereoselectivty and how to see if its conrotatory or disrotatory so that i can apply to similar questions. thank youRank the following carbocations in order of increasing stability. H H. A D O A, B, D O D, A, B O B, A D O A, D, B Which of the following reactions would result in a 50/50 mixture of stereoisomeric products? HBr ? ..... REACTION A HBr ? REACTION B O Both reaction A and B O Neither reaction A nor B O Reaction B O Reaction A Ozonolysis of molecule A would result in the formation of what two functional groups? A O Two Aldehydes O An Aldehyde and a Carboxylic Acid O A Ketone and an Aldehyde O Two Ketones
- 5. Draw a plausible mechanism for the following reaction. charges, lone pairs of electrons, and relevant stereochemistry. H₂O show all intermediates, formal OHDraw the product of the below reaction, a mechanism and a Molecular Orbital ergy diagram for it. Indicate which levels are used for the reaction. MeO2C hv (light) MeO₂CI H Ph Br In an E2 elimination reaction, the leaving group and the hydrogen atom must be anti-coplanar for this concerted reaction to occur. ||| Identify which of the following structures has the hydrogen atom and the leaving group aligned anti-coplanar. CH3 Ph Ph H TI F H || OH H Ph H CH3 CH3 Br Ph Br A) I B) II C) III