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 NaH 1) H3O+O;2) 1) H3O+O;2) D E H2. Lindlar's cat. F G H 1) MeMgBr;2 ) H3O+ Na,NH3(l)MCPBA(RCO3H) 1) EtMgBr; 2) HBr(x5), heat H3O+ K L dilute H2SO4 DMP or PCC SOCl2, pyridine N 0 1) BH3 THF; 2) H2O2 NaOH Dimethoxyethane (DME) is a polar aprotic solvent often used for SN2 reactions. Propose an efficient synthesis for DME using acetylene and methyl iodide as your only sources of carbon atoms. Dimethoxyethane Dimethoxyethane can be prepared from acetylene: 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"). There is more than one correct solution, so provide just one answer. A B C D cat. OsO4,NMO MCPBA (RCO3H) Na2Cr2O7,H2SO4,H2O H2,Pt E F G H H2. Lindlar's cat. 1) MeMgBr; 2) H3O+ NaH (xs) H3O+ J K L 1) LiAlH4;2SH3O+ Br2 Mel(xs) 1) BH3.THF; 2) H2O2,NaOH