Propose an efficient synthesis for the following transformation: 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 в D t-BUOK 1) MeMgBr; 2) H3O* NazCr207, H2SO4. H2O NaOH E F G H H2, Lindlar's cat. 1) O3; 2) DMS TSCI, py dilute H2SO4 K L 1) LIAIH4: 2) HaО* DMP or PCC 1) EtMgBr; 2) H3o+ 1) ВHз-THF; 2) H202, NaOH

Propose an efficient synthesis for the given transformation. This transformation 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 B E 1) &: 2) 1)A :2) Mg H2, Lindlar's cat. NaH F G H. J 1) MeMgBr; 2) H30* Na, NH3 (1) МСРВА 1) EtMgBr; 2) HBr (xs), heat (RCO3H) H3O+ K L M N dilute H2SÓ4 SOCI2, pyridine 1) BH3-THF; 2) H2O2, NaOH DMP or PCC EtBr

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 following transformation. スーパ - The transformation above can be performed with some reagent or combination of the reagents listed below. Give the necessary reagentis) 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 B HBC, ROOR D HBr G NaOH HC CNa E CH₂CH₂Br H conc. H₂SO4, heat thestend Modia с 1) R₂BH; 2) H₂O₂, NaOH F H₂SO4, H₂O, H₂SO4 1) 0:2) H₂O

Propose an efficient synthesis the following transformation: (a) 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 B C D CH3NH2, H* H3O+ 1) 03 2) DMS H*, -H₂O E PCC, CH₂CI₂ F G H 1) CH3MgBr 2) H3O+ HOCH2CH2OH, H+ NaOH 1) NH2NH2 2) KOH, H₂O, Heat r K L 1) HSCH2CH2SH, H* 1) xs LiAlH 1) CH3CH2MgBr 2) Raney Ni 2) H₂O+ 2) H₂O+

Propose an efficient synthesis for the given transformation. OH This transformation can be performed with some reagent or combination of the reagents listed below. Give the necessary reagent(s) i 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 Br₂, hv F 1) MeMgBr; 2) H3O+ K dilute H₂SO4 B 1); 2) H3O+ G Na, NH3 (1) L DMP or PCC 1); 2) H3O+ H MCPBA (RCO 3H) M SOCI2, pyridine D Mg, diethyl ether I 1) EtMgBr; 2) H3O+ N EtBr E H₂, Lindlar's cat. J HBr (xs), heat O 1) BH3-THF; 2) H₂O2, NaOH

Propose an efficient synthesis for the following transformation: 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 1) MeMgBr 2) H3O* Na2Cr207, H2SO4, H2O 1) EtMgBr 2) H3O* F dilute H2SO4 t-BUOK conc. H2SO4, heat G H TsCl, pyridine NaOEt H2, Pd

Propose an efficient synthesis for the following transformation. ند - ما 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 B HBr, ROOR D - HBr G HCECNa 1) 03; 2) DMS E H₂, Lindlar's cat. H 1) xs NaNH2, 2) H,O C 1) MeMgBr; 2) H3O+ F H₂SO4, H₂O, HgSO4 I 1) R₂BH; 2) H₂O2, NaOH

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Propose an efficient synthesis for the following transformation: OH 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 NaOEt D 1) MeMgBr 2) H3O+ G Br2 B t-BuOK E Na₂Cr₂O7, H₂SO4, H₂O H TsCl, py C PCC, CH₂Cl2 F conc. H₂SO4, heat 1) BH3-THF 2) H₂O2, H₂O