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Predict the major product for each of the following reactions. bh3 thf

6. Give the product of the following reactions, showing all of the steps of the reaction mechanism. (60 pts) (a) O CH2CH3 +N CH3 H pH 4 -5(b) O CH3 HBr(one major product) (c) O H CH3CH2Li THF (d) O OCH3+ MgBr 2 THF (then, H3O+) 7. Synthesize two of the following three molecules from the starting materials given on the left as shown. Do E x a m p l e 5.2 Name and draw a structural formula for the major product of each alkene addition reaction: CH 3 ƒ (a) CH 3C “ CH 2 + HI ¡ (b) Brown_c05_129-166hr1.indd 136 1. Predict the major product for the reaction of 1-methylcyclopentene with each of the following reagents: 2. Draw the intermediates for a and d. i. O O OH OH 1. OsO4 2. NaHSO3 HIO4 h. + CHCl3 KOH CCl2 g. + CH2I2 Zn/Cu f. + O3 O O O Zn, H+ O O e. + KMnO4 H+, ∆ O O OH d. + KMnO4 cold OH OH c. BH3 H OH H BH2 THF H2O2 –OH b. + OsO4 O Os O O O ... add ONE Cl to each NEW hydrogen position. Predict the major product (#H's x 5,4,or 1) HBr (alkenes) Add ONE Br to MOST substituted side of the pi-bond (unless there is a carbocation shift!!) HBr, ROOR (peroxide) Add Br to the least substituted side (anti mark) H2SO4, H2O (alkenes) or H2SO4, CH3OH Predict the major products of the following reactions, and propose mechanisms to support your predictions.(a) (b) View Answer Predict the major products of the following reactions, and give the structures of any intermediates.Considering A-L to represent the major products formed in each of the following reactions. Provide a structure for each of A through L. (24p) OH NaH, THF A CH3Br B F3CS O O Cl Base C CH3O-Na+ D PBr3 J HBr L H3CSO2Cl Base E KI F H2SO4 140 deg C PCl5 G H NaF DMSO I SOCl2 Base K 2) (16 points) Suggest a reaction mechanism for each of the following reactions that accounts for both products. Use clear arrow pushing and draw all intermediates, and resonance structures. Indicate the minor and major product. (a) ClH2O, acetone OH HCl OH + + reflux Cl O H H O H H O HH O H H-H -H OH HO major minor Predict the major products of the following reactions. A. 2-methylpent-2-ene + BH3⋅THF B. The product from Part A + H2O2/OH−. C. 1-methylcyclohexene + BH3⋅THF D. The product from Part C + H2O2/OH-. Draw the molecule on the canvas by choosing buttons from the Tools (for bonds and charges), Atoms, and Templates toolbars.Nov 20, 2012 · (Hint: Build molecular models of the products and compare them.) 5.53 1) BH3 # THF 2) NaOH, HOOH (c) Br2 >CH 2Cl 2. OH + (b) Draw the two products and predict which product is favored. reagent. H ... View Homework Help - 7- Problem Set 7 - Alkenes 1 from CHY 142 at Ryerson University. Lecture 7: Problem Set Predict the major products of the following reactions 1) BH3, THF H2SO4 2) NaOH, Nov 02, 2017 · Exam 2013, questions Exam May 2016, questions and answers [CHEM] Tutorial 3 - Solutions Midterm 1 2017, questions and answers Midterm 2 November 2017, questions and answers Reactions Covered - Question Format shown below, and circle which organic product is most stable. (10 points) V. Reactions: 1. Provide the correct products of the following two reactions. Include any relevant stereochemistry. (8 points) 2. Paying close attention to stereochemistry, draw the necessary starting material and product of the following sequence of reactions. (8 points) Jul 13, 2017 · The products depend on the nature of the workup. Reducing workup. This involves reaction with ozone, then workup with #"Zn/acetic acid"# or #("CH"_3)_2"S"#.. The process cleaves the alkene into aldehydes and/or ketones. Nov 21, 2012 · • Draw the major product of the following reactions, if two products are formed in equal amounts, draw both. Br NaOCH2CH3 CH3CH2OH Br NaOC(CH3)3 (CH3)3COH Br NaCN DMF CN CH3CH2OH CH3Br H2/Pt 1. BH3/THF 2. H2O2, H2O CH3H3CH2CO OH CH3H3CH2CO + docsity.com 1. Predict the major product for the reaction of 1-methylcyclopentene with each of the following reagents: 2. Draw the intermediates for a and d. i. O O OH OH 1. OsO4 2. NaHSO3 HIO4 h. + CHCl3 KOH CCl2 g. + CH2I2 Zn/Cu f. + O3 O O O Zn, H+ O O e. + KMnO4 H+, ∆ O O OH d. + KMnO4 cold OH OH c. BH3 H OH H BH2 THF H2O2 –OH b. + OsO4 O Os O O O ... Write the structure of the product with proper stereochemical outcome, in each of the following reactions and justify your answers with the help of FMO theory. hv Me Me 10 (e) THF Give the structures of C and D and account for their formation. 10 - 780C THF Mel C D (major) (d) pathway for its formation. Me Et2NH 10 (c) Me Et2NH Solution for Predict the major organic product for each of the following reactions. Show stereochemistry where applicable. 1. Hg(CH,CO,, H,0 (a) 2. NABH, BH3…

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Hydroboration–oxidation is an anti-Markovnikov reaction, with the hydroxyl group attaching to the less-substituted carbon. The reaction thus provides a more stereospecific and complementary regiochemical alternative to other hydration reactions such as acid-catalyzed addition and the oxymercuration–reduction process. Solution for Predict the major organic product for each of the following reactions. Show stereochemistry where applicable. 1. Hg(CH,CO,, H,0 (a) 2. NABH, BH3…Purpose: Predictive biomarkers are required to identify patients who may benefit from the use of BH3 mimetics such as ABT-263. This study investigated the efficacy of ABT-263 against a panel of patient-derived pediatric acute lymphoblastic leukemia (ALL) xenografts and utilized cell and molecular approaches to identify biomarkers that predict in vivo ABT-263 sensitivity. Draw the major organic product in the boxes provided for each reaction scheme below. If the reaction is regioselective, only draw the major product. Be sure to indicate the correct relative stereochemistry (i.e. dashes & wedges or axial & equatorial bonds) where appropriate. Predict the major product of the following reaction: Answ. Each of the chlorine atoms in the dichloride can interact with AlCl 3 and initiate a Friedel-Crafts alkylation process. During the first alkylation process, a tertiary benzylic carbocation can form via a hydride shift: This carbocation is then attacked by benzene in an electrophilic ... syn addition for each diol; second addition more likely from opposite side l. ozone always in excess; 2 moles of each product are formed m. borane addition from less sterically-hindered side of alkene 1. BH OH 3-THF 2. NaOH, H 2O2 Br2 Br Br H2,Pd/C 1. OsO4 (excess) 2. NaHSO3 HO HO OH OH HO HO OH OH + major product 1. O3 2. Zn, HOAc O O H H O O ... View Homework Help - 7- Problem Set 7 - Alkenes 1 from CHY 142 at Ryerson University. Lecture 7: Problem Set Predict the major products of the following reactions 1) BH3, THF H2SO4 2) NaOH,The following are typical reactions, optimized to maximize yields of soluble solid polycarbosilanes. It should be noted that all product fractions are convertible to silicon carbide, although yields of SiC are lower for soluble liquid products. 0.8 Me3SiCl K 43.7% Soluble Liquid-C 25.2% Soluble Solid 1.0 CH2=CHSiMeC 2 THF 16.5% Insoluble Solid Predict the major product in the following reactions: H30+, CH3CH2OH NaOCH2CH3 Dec 04, 2013 · Predict the products of the following reaction: CH3CH2OH + HCOOH → Mar 23, 2015 · The first reaction will substitute a tert-butyl group onto benzene, the second reaction is Friedel crafts alkylation and will sub the ethyl group at the para position ... I I .23. Draw the structure(s) Of the major product(s) expected from each of the fol- lowing reactions. Indicate the stereochemistry of the product as appropriate. Rela- Live stereochemistry should be shown using wedges and dashed lines. If a racemic mixture will be formed, draw the structure of one enantiomer and write the word