Part A Provide the structure of the major organic product of the following reaction. CH3 1. PBr3, pyridine H3CH₂CH₂C 日 OH 2. NaCN O Part B Explain the stereochemistry which results in this product. Essay answers are limited to about 500 words (3800 characters maximum, including spaces). 3800 Character(s) remaining
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Provide the structure of the major organic product of the following reaction and? explain the stereochemistry which results in this product. 2-Pentanol reacting with 1.) PBr3, pyridine 2.) NaCN
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- CH3 || CH3 H₂O H2SO4 CH3CHCH2CH2C—ОCH₂CH₂CHCH3 a. Draw the structure of the tetrahedral intermediate INITIALLY-FORMED in the reaction shown. • • • You do not have to consider stereochemistry. Do not include counter-ions, e.g., Na+, I, in your answer. In cases where there is more than one answer, just draw one. √n [ ChemDoodle Ⓡ b. Draw the structures of the organic products of the acyl transfer reaction. • You do not have to consider stereochemistry. Draw the neutral form of the products; no charges. Draw one structure per sketcher. Add additional\/C)0.Bm HB 4 1. What reagent can be used to form the product in each of the following? но | || H-C-C-H Н WA Н- нон -C-C-H Н Н нно -С-С-С-О I Н Н — - - - HO H-C-C-OH H H OH H | | | H-c-c-c-H | | | Hнн HHO H-C-C-C-H Н Н What is the product of this reaction? H OH H-C-C-CH3 H2CRO4 H CH3 What is the name of the bond formed when methanethiol is oxidized? CHz-S-H + H-S-CH3 — CH-S-S-CH3 + H2O Identify the acetal and hemiacetal functional group in the following OF CH охо OH OPE Guitkwot И www CH₂ OH H ко Calculate the molecular formula for each of the following. 985 НОHere is a Suzuki reaction. Identify the reactants X and Y. 80x Tf₂0 X pyridine Br-Br FeBr3 -Br X Y Pd(II) + L - Li H3C-0 CH3 CH3 Y You can find triflate group "Tf" on the drop down menu on the right side of the element selection section of OscerSketch. X = Y =
- 10. What is the major organic product generated in the reaction below? HO HO 40||!!!!!! (A) OH ...... (B) 1) 03 2) (CH3)2S HO O (C) H НО. (D)What is(are) the major final product(s) formed during the following sequence of reactions? 01 11 V 1.0₂ 2. (CH₂)₂S C₂H₂O 2 identical molecules ||| =PPhy < IV орнаDraw the structure of the major organic product(s) of the reaction. CH3 1. DIBAH, toluene + 2. H30* ChemDoodleⓇ DIBAH diisobutylaluminum hydride, [(CH3)2CHCH₂)2AIH • You do not have to consider stereochemistry. • Draw one structure per sketcher. Add additional sketchers using the drop-down menu in the bottom right corner. Separate multiple products using the + sign from the drop-down menu. D. n [F Previous
- Step 3: Complete the structure and add curved arrows. Select Draw Templates More / 3 H C acetal 2° gem-diol hemiacetal O 1° gem-diol H : 0 H H Erase 2 Q Select the choice that best describes the final structure. 11 Step 4: Complete the structure. Select Draw Templates More G C H O H 1 H H Erase Q 2 QDraw the structure of the major organic product of the reaction. col CI / 1. LIAIH4, ether 2. H30+ • You do not have to consider stereochemistry. t √ [F ? Ⓡ ChemDoodleDraw a structural formula for the missing organic product in the reaction below. O CH₂CH₂CH₂COCCH₂CH₂CH3 ● *** + • You do not have to consider stereochemistry. You do not have to explicitly draw H atoms. . Do not include lone pairs in your answer. They will not be considered in the grading. CH4 CH,NH, ? + ▼ [ ] کر CH₂CH₂CH₂C-OH ChemDoodle Pr
- Draw the structure(s) of the major organic product(s) of the following reaction. 1. Dry Et₂O + CH3Mgl H 2. aqueous HCI at 0° • You do not have to consider stereochemistry. • Draw one structure per sketcher. Add additional sketchers using the drop-down menu in the bottom right corner. Separate multiple products using the + sign from the drop-down menu. + √n [ ? ChemDoodleIn each reaction box, place the best reagent and conditions from the list provided. 1) Br 2) 3) 4) DEET (the active ingredient in over the counter insect repellant) 5) Answer Bank Mg, Et,0 HN(CH, CH, ), (1 equiv.) H,O* CH,COOH CH,CH,NH, CH,CH, Br NH(CH,CH,),(2 cquiv.) НСООСH, H,CO НСООН CH, CH, OH NaCN NaNH, Br,, FeBr, SOCI, CO,Predict the major products of both organic reactions. Be sure to use wedge and dash bonds to show the stereochemistry of the products when it's important, for example to distinguish between two different major products. E C+ C™ x c+ C 'v Ĉ + C + Т. 61 T o. X H₂0¹ X 1. Hg (OAC)₂, H₂O 2. NaBH Ś S C Click and drag to start drawing a structure. Click and drag to start drawing a structure.