Curved arrows are used to illustrate the flow of electrons. Using the provided starting and product structures, draw the curved electron-pushing arrows for the following reaction or mechanistic step(s). Be sure to account for all bond-breaking and bond-making steps. Problem 43 of E H3C Select to Add Arrows Li THF :Ci:0 0:0 Li Select to Add Arrows -
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- Plastic photochromic sunglasses are based on the following reversible rearrangement of a dye inside the lenses that occurs when the lenses are exposed to sunlight. The original dye absorbs UV light but not visible light and is thus colorless, while the rearrangement product absorbs visible light and is thus darkened. (a) Show the mechanism of the rearrangement. (b) Why does the rearrangement product absorb at a longer wavelength (visible light) than the original dye (UV)?9:22 PM Tue Mar 28 ← :0: 0. H'C Select to Add Arrows :0: CH3CH2ONA, CH3CH2OH 0:0 Problem 93 of 20 Please select a drawing or reagent from the question area 27% Submitesc 2° Curved arrows are used to illustrate the flow of electrons. Using the provided starting and product structures, draw the curved electron- pushing arrows for the following reaction or mechanistic steps. Be sure to account for all bond-breaking and bond-making steps. A Z Q 1 I I 2 7 command W S X Drawing Arrows :Br: > F2 Na Ⓒ # 3 E D C н' H 20 F3 4 R F a F4 V % 5 T G F5 6 B Problem 43 of 50 F6 Y H & 7 N F7 U J * 00 8 DII F8 | M :Br: + 9 K Undo 8 F9 I O L H I Reset O L H F10 Done P Ⓒ:N: F11 I ✓ Na+ { ( H F12 11
- P CHE 124 ORGANIC CHEMISTRY TUT2 2020 (Prote on Failed) Mailings Review View n and might be unsafe. Click for more details. Enable Editing 2. What are the major products obtained from the following reactions? Indicate the geometry (cis/trans). HBr, CH,COOH 近 91 81 61 L. 5. 8. 6.biackboard.gwu.edu/webapPps/assessment/feview/review.jsprattempld Select the major product of the reaction below. 1) TIPSCI, Et3N 2) Na 3) 03, then CH3SCH3 4) CH3CH2LI, then H30* 5) Bu4N* F', H2O CI Selected Answer: Он HO Answers: он он он OH OH OH он Select the major product of the reaction below. The answer is there, but please explain step by step.Curved arrows are used to illustrate the flow of electrons. Using the provided starting and product structures, draw the curved electron- pushing arrows for the following reaction or mechanistic steps. Be sure to account for all bond-breaking and bond-making steps. I :0: Drawing Arrows 0:0 KO H 80 H FA Problem 44 of 50 DII :0: + :O: Undo H Reset ΚΘ Done 0: H Submit *** 100% e E G 1 Dra
- Give the structure of compound A, the major product when the reaction is conducted at low temperatures. Draw the molecule on the canvas by choosing buttons from the Tools (for bonds), Atoms, and Advanced Template toolbars. The single bond is active by default. View Available Hint(s) H 20 EXP. CONT. L C N S CI -55 °C Br Marvin JS Н — Вr [1] A by O ChemAxon F A O1. Write the correck IUPAC nemes Far the Foilawing organic comPounds: Br CH3 H3C 8. Assign E an or Z configuration bi CI 2. CidssiFy the Following reagents cs either nucleaphiles or e lectraph:les: Zn, CH3NH2, HS, OHa, CH3COOH, HoSO 3. Whet are the products obtained From the addition of HBr to each of the falbuing compounds? CH3 a) + HBr > CHo +HBr- 2.Provide the major organic product of the reaction shown. NV L Draw the molecule on the canyas by choosing buttons from the Tools (for bonds), t [1] A OH 4' 1. NaH эсе 2. CH₂CH₂CH₂CH₂I H: 120 EXP. CONT L Marvin JS ? ** I U ZOS CI Br
- For each of the tolowing reactions predict the major product. NaOH H,0, A Raney N. A préssure OH H,Cro, H,S0, H,0 Proposea forwad sythesis or ene of the two seences below using whateve agents necessary. Do not indude any ourvedamow mechanisms, just the reactions OH OH ORS ats 01 Om OIV OV Onl I Provide the major organic product in the reaction below. 1) BH, THE 2) H₂O/OH, H₂O OH II OH HO. x III IV ГОН OH VWhat is the predicted product of the reaction shown? ОТ O II ||| O IV OV OH OH 1. 2. 3. Na2Cr2O7/H2SO4/H2O Оз DMS н || ОН он ОН Ш ее юля О НО IV V ОН