Propose an efficient synthesis for the following transformation: Br 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.SOCI B. 1) : 2) H₂O* C. [H], EtOH E. excess CH3NH2 F. 1) Et₂CuLi; 2) H3O+ H. NaCN I. 1) CO2; 2) H3O+ K. Mg L. 1) EtMgBr; 2) H3O+

Propose a synthesis from the reagents below

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 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. OH HO _OH + acid D. H3O+, heat G. Na₂Cr₂O7, H₂SO4, H₂O J. SOCI₂2 B. HS SH + acid E. [H+], CH3NH₂ H. 1) LIAI(OR) 3H; 2) H3O+ K. PCC or DMP C. 요. + acid F. 1) Et₂CuLi; 2) H3O+ I. 1) LIAIH4; 2) H3O+ L. RCO3H

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