Question

1. (12 pts) Fill in the boxes over each arrow with the letter that corresponds to the reagents needed to perform each step of the multistep sequence shown below. Reagents may be used more than once, or not all. Pay close attention to the numbered carbons in the starting material, and be sure that your answer accounts for the position of these carbons in the final product. 1 3 3 3 2 2 MCPBA CF3SO3H A) HOCH3, DCC, DMAP E) B) PCla c) 1 BrMg-Ph I) NaOCH3, CH3OH H2CrO4, H2SO4 H2O, acetone F) MsC, pyridine 1. DIBAH,-78 °C 2. HCI 1. NaOH, H2O 2. H3O* L1. LiAlH4 H) LDA 2. H3O+

Answer 1

McPBA 公dation L),ら30 OCH past ②: