potassium carbonate; (R,R)-iPrDuPhos 1) CH2Cl2, 2 h, 20-25 deg C, 2) MeOH, 4 h; Yield given. Multistep reaction. Yields of byproduct given. Title compound not separated from byproducts;

potassium carbonate; (S,S)-methyl-DuPhos 1) CH2Cl2, 2 h, 20-25 deg C, 2) MeOH, 4 h; Yield given. Multistep reaction. Yields of byproduct given. Title compound not separated from byproducts;

potassium carbonate; (R,R)-iPrDuPhos 1) CH2Cl2, 2 h, 20-25 deg C, 2) MeOH, 4 h; Yield given. Multistep reaction. Yields of byproduct given. Title compound not separated from byproducts;