What compound is the major product of the reaction sequence shown below? (1) KCN, ethanol OH (A) NH2 (B) (2) LIAIH, (xS)/ether (3) dil. H* H20 он он (C) (D) Compound C Compound D Compound A Compound B
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- Which compound is a major product of the reaction sequence shown below? (1) benzene COOH „COOH OCH3 (A) (B) OCH3 (2) H* HО, д "СООН COOH .COOH (C) (D) "COOH Compound A Compound C Compound B OCompound DFor each of the following pairs of species, which is the stronger nucleophile in ethanol? Explain. (a) H3C-OH or H,C-o° (b) H3C-OH or H;C-NH, (c) or (d) (е) CH3S` CH3SE (f) CH;Se or or BrWhich is the major substitution product of the reaction shown? (A) OEt (C) (E) no reaction Br NaOEt © 2019 ProtonGuru.com (B) (D) OEt (F) a mixture of more than one
- Which of the following is a major product of the reaction shown? (CH3),CHCH;NH2 **** HN- H* (cat./H;0 (A) (B) N- (C) (D) Compound D OCompound C O Compound A Compound BWhich of the following compounds is the major product of the reaction sequenc shown below? (1) Na CNCH3CN Br (A) (B) NH2 (2) H* H20, A он (C) (D) HO. O Compound C )Compound A Compound D )Compound BConsider the reaction scheme shown below. HCI [1] ОН (a) Provide a detailed mechanism for reaction [1].
- Draw the mechanism and predict the major product for each of the following reactions. (a) (b) ㅇ (c) 1. KCN, H2O_ ? 1. KCN, H2O ? 1. CH,MgBr, ether 2. NH,CI, H,O 2. H,SO4 2. H2SO4 (d) (e) 1. CuLi .? 2. NH,CI, H,O 1. CH;CH,SNa, ethanol 2. NH,CI, H,OIndicate the preferred product for the following reaction. (Hint: consider rearrangements if applicable) H*/H2O но OH но но а) b) c) d)3) Please draw the structures that correspond to omitted structure for each of the following synthetic sequences. HO Cro3 Cro3 (a) Product `OH Product H,0 HO PCC Cl РСС (b) Product (e) Product OH HO РСС NABHA (f) Starting Material (c) Product OH ELOH
- For each reaction, draw the complete mechanism and the major organic product(s), paying attention to stereochemistry. (a) (b) OH LOH (еxcess) ? ? CH,Cl2 CH2CI27. For each of the following pairs of species, encircle the stronger nucleophile in acetone? (a) H3C-OH or H,C- (b). H3C- or H,C-OH2 (c) H3C-OH or H3C-NH2 (d) o (e) () or or or NH (h) CH,S CH;Se or or NH PH (1) CH,Se or BrDraw the mechanism and predict the major product for each of the following reactions. (a) (b) O (c) NABH4 NABH4. 1. LIAIH4, Et,O ? CH;OH ? 2. H2SO4, H2O mOCH3 CH;OH