Practice Problem 12.37 What reagents would you use to perform the following transformations? Correct. Aldehydes are converted to ketones using a Grignard reaction a Choose the correct answer: H 1) EtMgBr 2) HO 3) NaBH4, MeOH 1) EtMgBr 2) HO 3) NaCrO7, HSO4, HO (1) MeMgBr 2) HO Practice Problem 12.35b Draw the starting ketone that is required for each of the following Grignard reactions. ? ? Edit ? Edit 1) MeMgBr 2) HO 1) PrMgBr 2) HO OH OH