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Draw the open chain forms and give reagent for the reaction from A to D and Eto G draw in open chain forms .UHHOOHHO ..O.HO .- OHHOHOOHOHgive reagentwhy do reagent conversion of A to B react with the catbony! group in the right hand ring and noton other carbonyl group ?"why does reagent for conversion of [ to D not react with the ketal group ?"The conversion of D to E occurs in two stages with compound* as a potential intermediate . Whatreaction type converts* to comound Elgive name of mechanism;) anddraw the mechanistic steps for conversion of D to*`[OHaAONPSDone. H. Soilmay- NO ,ONPDINPhuntNHNO ,