
10). (18 pts) Predict the structures of the products from each of the following S2 reactions....
15. (3 pts each) Give the product(s) for the following reactions, and name all reactants and products. CH, он ОН н,с + H3c— сн - сн 3 Нас NH2 он + о н Н H-с-с-о-н Но -P -ОН н Н ОН
1. (4 pts) Rank each of the following carbocations in order of stability (1 most stable and 4 least stable). н н сH н Н,с Н,с" H сH; CH3 Hас- H 2. (6 pts total; 2 pts each) Complete the following transformations by indicating the reactant structure or the major organic product(s). Place your answer(s) in the space provided. Be certain to indicate stereochemistry where applicable. Cl2 Он cat. H2SO H-о Br Br conc. HBra) сн сна 3. (10 pts...
2) Order the following alkenes from most stable to least stable Нас Нас с-сн, н,с Hас +C- Нас н CHs -CH3 H Hе most stable least stable (a) I (b) I (c) I ll (d) 7) Order the following C-H bonds from strongest to weakest. strongest weakest (a) (b) (c) II (d) 8) Which of the following is represents the lowest energy transition state for the addition of BH, to 2-methyl-1-propene? quCH «сHs нСи Нас (b) (a) Нив--н H H...
just want to double check my answers
Shit Alt 4. (4 pts.) The mechanism for the formation of an ester is comprised of the following steps. Identify each of the elementary steps and draw curved arrows to show movement of electrons. Be sure to draw in necessary nonbonding electron pairs +HSO, -S0,H OH нс OH н,с :он H Pro Гон H,C-C AU ie pddihon он 5.advs Н,с. "сн, 2cei он он H Н,с -он OH Нс H,C Palon Thek :0-CHs...
но (CH,),CHBr (CH),CH-OH (е) но (CHJ,СB (CH),C-Он acetone - сн,сH,осH,сн, + Br CH,CH,O' + CH,сH, Br аcctone Br CH,CH,SCH,CH, + CH,CH,S + CH,сң, Br (CH),СBr + кон + KBr (CH],COн ab (CH),CBr + H,о + HBr (CH,),COH CH,OH (CH,),CH-OCH, (CH,),CHBr (h) сHOн (CH),C-ОCH, (CH,),CBr HS Br Br SH +HS +Br SH Br
1. For each of the following reactions, write S if it is a substitution and E if it is an elimination. Also write R for all of those that are also rearrangements. CH-Oн heat NaOCHs + HBr HG OH Nal Hо acetone NaBr +HBr 2. Predict which reactions proceeded by an SN1, SN2, El or E2 mechanism: NaOCH CH +NaBr оснCH Носн,сн, 50° +NaCl Nal DMSO, 45 Br NaOCHa +NaBr +HOCH Носн, 100° но +HI acetone, 50 HSO +HO HO,...
14. (1 pt each) Name the following molecules. CH3 CH3 нно н н-с-с-с-NA ті Hн н,с Сн, Н CH,CH нс H 15. (3 pts each) Give the product(s) for the following reactions, and name all reactants and products. CH, он ОН н,с + нэс- сн - сн 3 нус. NH2 ОН Hн ІІ ОН + н-с-с-о-н НО P н Н ОН
Please explain your answer
Which of the following reactions is NOT an isodesmic reaction? Н,с-он "сн, CH4 + Hас -Он (А) + (В) ОН + ОН CI н н Н н н Br Br Br (C) + Br Br н Н Br Н Н (D) з СH4 2 Hа Select one: а. А b. В С. С d. D вооо
write the majlr elimination products of
the following reactions. State whether E1, E2, or E1cB.
Write the major elimination product(s) of the following reactions. State whether E1, E2, or Eics II Clearly show all stereochemistry. (CH),co (CH,),COH -сн,сн (сн,,св сH,COH CH, CH (сH,с8 (сH,, COН сн, н-СС. LCHLCH, (сн,,ов (CH)COH H отs (сн,,св (сH,СОН -CH, (CH,,сб (CH),COH (CH,,с8 (CH),COH CH3 (CH,с8 (CH),COH -Br н,с отs - CH3 (CH),C8 (CH3),COH Н,с CH (CH,) Co (CH), CОН Br н H OTs...
8. Predict the major organic products of each of the following reaction conditions (20 points) 1) LiAIH diethylether н 4 2) Н-о Н.о KOH CrO,, H,SO,, H,О он acetone (co-solvent) 1) CH3MgBr, diethylether 2) Н-о 9. Show how you could synthesize the targeted products from the starting epoxides. Show all reagents and reaction conditions in the boxes above the reaction arrows Но Hас ОСHЗ но O