1. Write a complete arrow-pushing mechanism for the synthesis of cyalume. OH CI afa CI- CI CI + NMe3 toluene 0 °C --> 75 °C CI CI What is its purpose in the chemiluminescence reaction
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Please clearly outline the mechanism for the synthesis of cyalume typed so that structures are clear.
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- 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)a) Complete the following reactions: (i) H3C-C-Ci + H2O A + B (ii) HO H;C. CH3 SOCI, с + D + so, (iii) H;O* HCN E F CH;CH, `CH;3 (iv) CH;CH,CH,CH,CH,Br + NH3 G + H excessfonmetion of 3+ (a) The coX (NH3)5 and SCN differ by NO more than a fuctor rate con5tunt for the 12t from forx-Ge, B2 Ng of two.eehat is the mechanism of Substitution?
- 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 орна4. Protonation of alcohol A and subsequent loss of water, produces the intermediate B. CH3 CH; CH, CH, — с — сH, CH, CH;CH, - C- CH, CH; | OH A B (a) (i) Name alcohol A. (11) What type of species is intermediate B? (iii) Draw the structures of the two alkenes which can be formed from species B by removal of a proton. Label as C the alkene which shows geometrical isomerism. (b) The intermediate B is readily attacked by nucleophiles such as water. What is the essential feature of a nucleophile? (c) State what final colour you would see if alcohol A were warmed with acidified potassium dichromate(VI). Explain your answer. Colour Explanation . (ii) Draw two structural isomers of alcohol A which form branched chain ketones when heated with acidified potassium dichromate(VI), but which could not form alkene C on dehydration.Q1/Complete the following reactions and mentioning wywaila NaOCH3 CH3OH + methylacetate O₂Et NaOEt ethylace to acetate CO₂CH3 4) EtO2 5) 2-Cyclohexene-1-one name of the reaction? ( NaOEt
- PLEASE HELP SHOW STEP BY STEP ELECTRON FLOW MECHANISM FOR THE FLOWING REACTION STEREOSELECTIVE ALKENE SYNTHESIS BY THE HORNER-EMMONS REACTION H (EtO), PCH,Ph (EtO),PCH₂Ph cat. BuчN* Br 50% NaOH hexanes ?ProVide the maJor Product for cach of the following reactiuns H more Than one 5 formed, Circk the product major Product 2. NBS, hy 1- Bra, FeBr3 2. H2504 -S03H T.Bra, FeBr3 Mg co) 3 CH2O 4. H307 workup (0) 2.A Studen t is Purformad the falliwing reaction and atter Com plet ing the work-up Step and isulating be cnde Aridunet iP was detenmined they t The starting matunal Was still Hcsent The student attmped to peaty The Aroduet by columo Chamatagraphy wih Slia gel column and ethyl 94tate as the eluant- The studn't Collected 1o fractiuns and ran g TLC of cnch fraction 4 8 9 10 cunclude about the Separatión ? (whch fractiun s What Can yoy Contained which compund? Are there mixed fract win s?)
- Explain the observed stereo-selectivity in the formation of product using Felkin-Anh model. (c) EtMgBr, Et,0 но н Ph. Ph. `Et H. H. H3C H H3CNitration of methyl benzoate: Weight of filler paper: 0.682g Mp product: 76-77 C Nitration of Acetanilide: Weight of filler paper: 0.691g Weight of filler paper product: 1.232g Mp product: 212-214 C Compound MM (g/mol) ortho mp (oC) meta mp (oC) para mp (oC) Nitroacetanilide 180.16 94 155 214-217 Methyl nitrobenzoate 181.15 -13 78-80 94-96 Theoretical yield of acetanilde: 0.6664g Theoretical yield of methyl benzoate: 0.7317g find theoretical yield of methyl nitrobenzoate percent yield of your methyl nitrobenzoate and melting point of your methyl nitrobenzoateLi ナ >ntermedinte Theoretical yicld |-og R4-093/mol Haw mych benzaldchyde B necded to Synthe Sze O-5009 4 diphenymethanol according to The 9bove equatuin -