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Which of the following reagents can be used to prepare the compound below? NH2 ? OET...
Which of the following reagents can be used to prepare the compound below? + ? OPh (1 equiv.) Select one or more: O a. Pho OP b. H2N OP C. CI COPh , pyridine d. H OPh e. Pho OEt
Thank you! 9. What would be the product of the following conversion? 1. NaOEt, EIOH OEt 2. H,о- OEt ОН О OEt OEt OEt OE OEt e. d. 10. What is the product of the Dieckmann condensation of the following diester? 1.NaOCH, CH,Oн HgCOoc coOCHs 2. H,0* осн, COOCH COOCH b. d. both a) and b) e. a), b), and c) a. C. 11. Consider the synthesis below. What is compound X? COOEt COOH 1. КОВи 1. NAOH, H2O, heat...
Which of the following reactions can be used to prepare the compound below? ? Ph Ph Select one or more: Pd(PPhz)ą, KOH + Br Ph Ph-B(OMe)2 Ph Ph ? a. Ph + Ph-Br Pd(PPhz)4, Et N ? Ph Ph b. (1) Li, hexanes (2) Cul ? Br Ph Ph-Br Ph Ph ? o C. Ph Grubbs catalyst ? Ph Ph d. Ph-Br, B-H Pd(PPhz)4, KOH Ph- Ph ? ? Ph. e.
Which of the following reactions can be used to prepare the compound below? Ph ? Ph Select one or more: B-H Ph Ph-Br, Pd(PPh), KOH ? Ph- ? a. Ph (1) Li, hexanes (2) Cul Ph Br Ph Ph-Br ? ? b. Ph Pd(PPhz), KOH Ph Br Ph + Ph-B(OME) ? Ph C. Ph Ph Ph-Br Pd(PPhz), Et N ? d. Ph Ph Ph Grubbs catalyst ? e. Ph
le chatelier experimen Thursday). 1. What starting material and reagents are needed for the following multi-step synthesis (HINT: aldol reactions work best when the starting material can only form one enolate)? 5 он о D. NaOH, H2O, Heat F. HO E. NaOH, H2O G. LDA Starting Material: Reagents: 2. LDA is a strong, sterically hindered base and will form the enolate. Sodium hydride is a weak base and will form the _ - enolate. Kinetic enolates are the stable and...
Which of the following reactions can be used to prepare the compound below? Ph ? Ph Select one or more: B-H Ph-Br, Pd(PPhz)4, KOH ? Ph Ph ? a. Ph (1) Li, hexanes (2) Cul ? Ph Br Ph Ph-Br ? b. Ph 0 Pd(PPhz), KOH Ph + Br Ph Ph-B(OME)2 ? c. Ph Ph Ph + Ph-Br Pd(PPhz)4, Et N ? Ph Ph Ph Grubbs catalyst ? e. Ph
Which of the following reactions can be used to prepare the compound below? ? Ph Ph Select one or more: (1) Li, hexanes (2) Cul ? Br Ph Ph-Br Ph Ph ? a. Ph + Ph-Br Pd(PPh.)., Et N ? Ph Ph b. Ph Grubbs catalyst ? Ph Ph c. Pd(PPh ).. KOH BO Ph Ph-B(OME) Ph d. ? Ph BH Ph-Br Pd(PPh ). KOH Ph ? Ph Ph e
Can you please explain why For each compound below, circle the letter which corresponds to the best description of its reactivity in electrophilic aromatic substitution (a) More reactive than Ph-OMe (b) More reactive than Ph-O-CO-Me but less than PhoMe (c) More reactive than Ph-H but less than PhO-CO-Me (d) Less reactive than Ph-H but more than Ph-CO2H (e) Less reactive than Ph-CO2H a a b b c c d d e e 16. 17. 18. 19. Ph-NH2 is Ph-N"Mez is...
les of reagents to synthesize cach of the following compounds List the reagent(s) in order that will accomplish this transformation, beginning with the number of the starting material. Enter your choices without spaces or punctuation (i.e ledcba). Starting materials C C Н.С OEt EtO OEt 2 Reagents f. EtO Na a. CH Br k. NaOH, H2O b. CH CH Br g. SOC h. NH3 L CH NH HCI, HO, heat I с. Cн,CH,CH,Br d. (CHa)2CHBr e. CH3CH2CH(Br)CH NH(CH) Compound 1:...
5. Match the reagents to the corresponding reaction. OH NH2 II NH2 G. H2O A. SOCI2, pyridine H. xs CH3CH2N H2 B. Ethanol, pyridine I. 1) LIAI(OR)sH 2) H20 C. 1) xs LAH 2) H20 J. (CH2CH2)2CuLi D. 1) xs CH3CH2M9 Br 2) H2O K. xs NH3 E. 1) NAOH 2) H,O F. 1) DIBAH 2) H2O L. 1) NaOH 2) CH3CH2CH2COCI M. Butanol, H