Provide a mechanistic explanation (with electron pushing) for the following reaction. Notice the carbon skeleton rearranges twice consecutively.
Provide a mechanistic explanation (with electron pushing) for the following reaction. Notice the carbon skeleton rearranges...
Name: Aexab yard Chapter 10: Mechanisms 1. Provide a mechanistic explanation for the formation of the observed products in the following cat. H50 heat 2. Draw an arrow-pushing mechanism to justify the following transformation. OH heat Write a plausible arrow-pushing mechanism for the reaction depicted. Make sure that you account for the stereochemistry shown. 3. Br Br2 MeOH OMe
. Using arrows that represent electron movement, provide a mechanistic rationale for the following reaction (back page) NH2 AcOH, solvent 4,00 Нco- +0= Meo
If you could provide some explanation as well, I'd really
appreciate it!
3. Provide electron pushing arrows for the following conversions and determine the products if not given. Also, identify which starting material is the acid and the base. + H-ci: H3CÖ-H wo han twente war — + CH₃ Học c ° + + H₂O: H2O: LC H3CS CH3 the only s moet + H2O:
( Using arrows provide a mechanistic explanation of the course of the reaction (Z)-3-methylpent-2-ene and bromine molecule in water ssolvent. (ii) Using arrows provide a mechanistic explanation of the course of the reaction between the product of the previous reaction and one equivalent NaOH (the reaction starts with abstraction of an acidic hydrogen by NaOH base followed by sequential substitution reaction). (5 points) wwww
(a) M Provide a mechanistic explanation for each of the following reactions: O H acid (cat.) (major product) acid (cat.) (major product) AgNO, EtOH (major product) (d) Ph. H Ph ETONa EtOH, A Ph Ph (Z only)
Draw a complete electron pushing mechanism for the following
reaction.
HOA AN Hg2*, H₂SO4 (dil) H2O, A HO) OH HO (10 pts) A)
Provide a mechanism for the following reaction. Show arrow pushing
and any intermediates.
6. Provide a mechanism for the following reaction. Show arrow pushing a n for the following reaction. Show arrow pushing and any intermediates. OCH3 CH3 methanol OH sulfuric acid (catalyst)
4.) Outline an electron-pushing mechanism for the following
reaction.
4.) Outline an electron-pushing mechanisms for the following reaction. Your mechanism should account for any stereochemical and regiochemical outcomes. NaOEt EtOH
Predict the mechanistic pathway and products of each
reaction for #1.
Reaction of five-carbon alcohols with NaBr/H2SO4: NaBr NaBr OH H2SO4 H2SO4 NaBr NaBr H2SO4 H2SO4 NaBr NaBr f. HOL H2SO4 H2SO4
In each of the following nucleophilic addition reactions (i) using arrows provide a mechanistic explanation of the course of the reaction (show intermediates); (ii) write the product of the reaction. (32 points) a. Show mechanism of acetal formation through hemiacetal reacting acetone with (1R,2S)- cyclopentan-1,2-diol under acidic catalysis. The actal formation reaction from hemiacetal is intramolecular reaction. (6 points = 3 points for hemiacetal + 3 points for acetal)