Examine the multi-step synthetic sequence below and answer the questions which follow. NH2 CH3Br (excess) Pd(OAc)2,...
Which one is the major product of the following reaction sequence? -NH2 1. excess CH31 2. Ag20. HO heat
Which one is the major product of the following reaction sequence? -NH2 1. excess CH31 2. Ag,0, H 0 heat
x] Your answer is incorrect. Try again. Propose a multi-step synthetic sequence to accomplish the transformation below. OH OH YOH + En + En TO 1) NaOEt; 2) HBr; 3) t-BuOK O 1) Br2, hv; 2) t-Buok; 3) MCPBA O 1) Brą, hv; 2) NaoEt; 3) HBr, ROOR O 1) Br2, hv; 2) NaOEt; 3) MCPBA O 1) NaOEt; 2) Brı, hv; 3) OsO4, NMO O 1) Brą, hv; 2) NaOEt; 3) OsO4, NMO
help Which one is the major product of the following reaction sequence? 1. excess CHI 2. Ag,0,H,O heat NH2 о What happens in the first step of this reaction? не OH + H2O OH The carbonyl carbon becomes protonated The water becomes protonated The sp oxygen of the ester becomes protonated The carbonyl oxygen becomes protonated
Question 30 (4 points) Which one is the major product of the following reaction sequence? -NH2 1. excess CH1 2. Ag20, H20 heat
1) Give the products of the synthetic sequence below. a) b) 2) What kind of selectivity is effective in the reaction below, give the mechanism for each step. Excess of BuLi will deprotonate the two hydrogens (terminal alkyne and alcohol)? CHO 2. dilydropyran. H
1. COMB 2. wwerd 6. Propose multi step synthetic routes from the given organic molecule to the indicated product. You can use any organic solvent and any of the following organic chemicals CHI, CH.CH -Brand inorganic chemicals: CO., KCN, Mr. Li, Cul, Zn, Sn, HCI,H,O, H.SO, DIBALH, LIAIH, NaBH., Cro., H, and Pd catalyst, PBr, and SOCI. (24 points, 6 each). OOH CH Of 04
What is the major product is this reaction sequence? Cl2, hv 5 Hg(OAc)2, H20 NaBH4 Br2 NaOET EtOH FeBr3 OH OH OH ot Br Br Br A B с D ΟΑ B D Which is the major product of this reaction? CN 1. EtMgBr 2. acid workup one OH or one A B с D B оооо What is the major product of this reaction? 1. aq. NaOH 2. acid workup NH он for HN. NH но. он NH2 -он...
Answer the questions below regarding synthetic Scheme 1: (20 marks) Fe, HCI NO NO2 BU - DME NaoMe Meo NH2 HN Scheme a) Give the missing reagents for Step A. What kind of selectivity does this reaction have and why? (3 marks) b) Give the structure of product 3 obtained in step B and explain the type of selectivity observed. (4 marks) c) Explain why DMF is used as a solvent in step C. (4 marks) d) Show the mechanism...
Answer the following two questions about the following synthetic scheme. (Numbers in parentheses below the structures are for identification purposes.) CH, Cl/h CI KOH CI +K -HCI - H2O NO2 NO NO2 (1) (2) (3) CA NO2 NO2 NO2 -KCI -HCI CI (4) (5) NO, NO H/Pd/C A NH2 -NH (6) (7) NH2 Br + (9) (8) ta +NH -HCI -HCI CI HAN (10) What is the role of KOH in the conversion of 2) to (3)? Select one: O...