QUESTIONS 6-109. Predict the product formed in each of the following reactions and give each reactant...
Questions: 1. Show how one could carry out each of the following transformations using the Grignard reaction. Any necessary organic or inorganic reagents may be used. Name each reactant and product. CHS(CH2)2CH,Br (CH-CH,CH, CH),CHон (a) -CH— CH-CHо -- Н.С -Cн-сн-сн— сн- (b) ОН CH,(CH2) (c) н CH,(CH)(CH) C(CH)2 Он OH (d) - OC_H (CoH)C=CH2 Н.С
5. Complete the following reacidification reactions. Name the reactant and the product a) cynamo Na + Het 6) K*0-88-CH-CH2CH=CH FOR + HCl 6. Complete the following reactions for the formation of esters. Name the reactant and the product. a) cy-fot+ Ho-city acid Dodao 6) @E- + 40-et-cts com aad c) CH=CH-CH-OH & Cly-CH -c- 7. Complete the following ester hydrolysis reactions. Name the reactant and the product. a) Cry-2-0-City + H2O acid ܠܝܝܘ ܘܛ ܀ ܚܐܓ-.-£o «_ ܓܝ ܘ ܂...
Predict the major product of each of the following
reactions.
Postlab Questions: Predict the major product of each of the following reactions. Alkyl lithium reagents function in the same manner as Grignard reagents 1. 1) 2 PhMgBr 2) H30+ 1) 2 BuLi Cl 2) H30 1) 2 MeMgl 2) H3O 1) 2 EtMgCl 2) H3O* OH 1) 2 PhMgBr 2) H 0
please do both problems 1&2
Predict the major product of each of the following reactions. MgBr 1. CH LI? CN 2. CH,OH 1. CH L ? 2. Н,оо ? 2. Н,о0 (c) (a) (b) Draw the mechanism and predict the major product for each of the following reactions. 2 (b) (c) 1. КCN, HO, ? 2. H2SO 1. KCN, H,O 1. CH,MgBr, ether ? 2. HaSO 2. H,O (e) CH,CH,SNa? CuLi ? 2. H,O Ethanol
2.(20) The following five reactions show reactants, reagents and products. In each reaction one of the categories is missing (represented by a letter). Supply the missing reactant, reagents or product where appropriate in each reaction. In your structures, be sure to indicate stereochemistry where warranted. A= a) b) H2, 5%Pt/C CH212. Zn(Cu) in ether c) C : CH Br2 in H20 d) D : phase transf. cat OH 1) Hg(OAc)2, H20 2) NaBH4 e)
5. Predict the major product(s) for each of the reactions shown below. NBS hv Mg (1) Chance CH,CH.CH,CI ether -CHI. CHỊ Li, pentane C-H15Br Cul ether (111) HC CH2CH3 Pd(PPh34 -B + - --CH3 CaCO3 THF (iv) Had 6. Fill the reagents to carry out the following conversion. canoa-oh-oh
Grignard Reaction with a Ketone: Triphenylmethanol Introduction: The purpose of this lab is to prepare phenylmagnesium bromide, a Grignard reagent, and react it with benzophenone to give triphenylmethanol. Grignard reagents are very reactive and must be synthesized in an environment free of water or any other source of potential proton donor. Once made, the Grignard reagent will do a nucleophilic attack on the carbonyl carbon of the ketone, benzophenone. The result is an alkoxide that is then protonated to give...
7. (3 pts each) Write the correct reactant, reagents, or major product of the following reactions он TSCI Nal pyridine DMSO HBr EtOK EtOH CH2l2, Zn/Cu Et20 Br2 hv ONa Ph3PBr2 он elimination product Name: Page 6 of
For questions 1-4, provide the missing reactant(s), reagent(s), or major organic product(s) of each reaction. Only one type of species is missing for each reaction. If you are providing reactant(8) or product(s), be sure to indicate stereochemistry if it is relevant. If you are providing reagents and more than one step is required, be sure to number each step. 1. EtMgBr 2.H20 NH [H] 5. Propose an efficient synthesis for one of the following transformations. Please circle the synthesis you...
What is the theoretical yield (in grams) and percent yield of your
triphenylmethanol product in this experiment? (Weight of
triphenylmethanol: 0.060g)
BACKGROUND AND THEORY The Grignard reaction was one of the first organometallic reactions discovered and is still one of the most useful synthetically. By reacting an organohalide (usually a bromide) with magnesium in ethereal solvent, carbon becomes a nucleophile. Grignard reagents are the starting points for the syntheses of many alkanes, primary, secondary, and tertiary alcohols, alkenes, and carboxylic...