Predict the product for the following reaction sequence. excess OH Na2Cr2O7/H2SO4/H₂O PC13 NH3 H HO SOCI₂ NH₂ 1. CH3CH2MgBr 2. H₂O+ oh or of o A B C D

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Provide the products and detailed arrow pushing mechanisms for the following reactions: OSIME3 EtN CO.Me 1. base, dilute solution (10mM) 2. NaOH/MEOH-H,0 Acid, heat CO.Me