Propose an efficient synthesis for the following transformation: Br re-re The transformation above can be performed with some reagent or combination of the reagents listed below. Give the necessary reagents in the correct order, as a string of letters (without spaces or punctuation, such as "EBF"). If there is more than one correct solution, provide just one answer. A. PCC or DMP D. H3O*, heat G. Na2Cr2O7, H2SO4, H2O J. SOCI2 B. 1); 2) H30+ E. excess CH3NH2 H. NaCN K. Mg C. [H*], EtOH F. 1) Et2CuLi; 2) H3O+ I. 1) CO2; 2) H3O+ L. 1) EtMgBr; 2) H3O+

Propose an efficient synthesis for the following transformation: OH The transformations above can be performed with some combination of the reagents listed below. Give the necessary reagents in the correct order for each transformation, as a string of letters (without spaces or punctuation, such as "EBF"). If there is more than one correct solution, provide just one answer. A. HBr, ROOR B. H2, Lindlar's cat. D. H2, Pt E. H2SO4, H20, H8SO4 G. HBr H. NaOH

Propose an efficient synthesis for the following transformation: Br, Br The transformation above can be performed with some reagent or combination of the reagents listed below. Give the necessary reagent(s) in the correct order, as a string of letters (without spaces or punctuation, such as "EBF"). If there is more than one correct solution, provide just one answer. A H2O, H2SO4. HgSO4 1) 03 2) DMS G 1) XS NINH, 2) H2O B Brz E H2, Lindlar's catalyst H t-BUOK C HC CNa F 1) R2BH 2) H2O2, NaOH 1 H2, Pd

Propose an efficient synthesis for the given reaction.

X Incorrect. Propose an efficient synthesis for the following transformation: NH2 The transformation above can be performed with some reagent or combination of the reagents listed below. Give the necessary reagents in the correct order, as a string of letters (without spaces or punctuation, such as "EBF"). If there is more than one correct solution, provide just one answer. A. Fe, H3O+ D. NaNO2, HCI G. NaOH, H2O, heat CN $ CDH B. la CI E. CuBr H. CuCN + AICI3 C. ia. F. NaNH2 + pyridine I. Br2, FeBr3

Propose an efficient synthesis for the following transformation: OMe S. S H The transformation above can be performed with some reagent or combination of the reagents listed below. Give the necessary reagents in the correct order, as a string of letters (without spaces or punctuation, such as "EBF"). If there is more than one correct solution, provide just one answer. SH A. OH + acid B. + acid C. HS HO j + + acid D. H3O+, heat E. [H+], CH3NH2 F. 1) Et2CuLi; 2) H3O+ G. Na2Cr2O7, H2SO4, H2O H. 1) LIAI(OR)3H; 2) H3O+ I. 1) LiAlH4; 2) H3O+ J. SOCI 2 K. PCC or DMP L. RCO3H

Propose an efficient synthesis for the following transformation: (g) Eto The transformation above can be performed with some reagent or combination of the reagents listed below. Give the necessary reagents in the correct order, as a string of letters (without spaces or punctuation, such as "EBF"). If there is more than one correct solution, provide just one answer. A. H3O+ D. PCC or DMP OEt B. cat. acid (-H2O) E. xs LiAlH4 С. НО F. HO OH OH + cat. H2SO4 + NaH

Identify reagents that can be used to achieve the following transformation): OH он The transformation above can be performed with some reagent or combination of the reagents listed below. Give the necessary reagents in the correct order, as a string of letters (without spaces or punctuation, such as "EBF"). If there is more than one correct solution, provide just one answer. A. LDA, -78°C B. NazCr207, H2SO4, H2O C. PCC or DMP D. NaH, 25°C E. 1) EtMgBr; 2) H3O* F. CH3CH2B. G. SOCI2 Н. 1) LIAIH4: 2) HзО* I. CH3I

Propose an efficient synthesis for the following transformation: m The transformation above can be performed with some reagent or combination of the reagents listed below. Give the necessary reagents in the correct order, as a string of letters (without spaces or punctuation, such as "EBF"). If there is more than one correct solution, provide just one answer. OH D.H2O1, heat G.PCC or DMP سلام + acid B. HS SH + acid E. excess (CH2)2NH H. SOCI2 ci C. + acid F.RCO2H L. 1) LIAI(OR),H; 2) H2O*

Propose an efficient synthesis for the following transformation: -CI CI The transformation above can be performed with some reagent or combination of the reagents listed below. Give the necessary reagent(s) in the correct order, as a string of letters (without spaces or punctuation, such as "EBF"). If there is more than one correct solution, provide just one answer. A CI MgBr 1) 1) 2) H3O* 2) H3O* D E F dilute H2SO4 TSCI, pyridine SOCI2, pyridine G H Na2Cr207, H2SO4, H20 1) MeMgBr 2) H3O* Mg

Propose an efficient synthesis for the following transformation: OH OH The transformation above can be performed with some reagent or combination of the reagents listed below. Give the necessary reagents in the correct order, as a string of letters (without spaces or punctuation, such as "EBF"). If there is more than one correct solution, provide just one answer. A. SOCI2 D. PCC or DMP B. 1) CH3CH2MgBr; 2) H3O+ E. (CH3CH2)2CuLi C. 1) LIAI(OR) 3H; 2) H3O+ F. 1) LIAIH4; 2) H3O+

Propose an efficient synthesis for the following transformation: OH The transformations above can be performed with some combination of the reagents listed below. Give the necessary reagents in the correct order for each transformation, as a string of letters (without spaces or punctuation, such as "EBF"). If there is more than one correct solution, provide just one answer. A. t-BuOK D. Br2 G. TsCl, pyridine B. NAOMe E. H2, Lindlar's cat. H. 1) xs NaNH2; 2) H2O C. conc. H2SO4, heat F. H2SO4, H2O, HgSO4 I. 1) R2BH; 2) H2O2, NaOH

Propose an efficient synthesis for the following transformation: H The transformations above can be performed with some combination of the reagents listed below. Give the necessary reagents in the correct order for each transformation, as a string of letters (without spaces or punctuation, such as "EBF"). If there is more than one correct solution, provide just one answer. A. HBr, ROOR D. HBr G. PCC or DMP B. Na2Cr2O7, H2SO4, H2O E. H2SO4, H2O, HgSO4 H. NaOH C. 1) BH3-THF; 2) H2O2, NaOH F. 1) 03; 2) DMS I. 1) LiAlH4; 2) H3O+