Enantioselective Synthesis of a (+)-(2R, 3R)-1,4-Benzodioxane-7-carbaldehyde Derivative, a Key Intermediate in the Total Synthesis of Haedoxan Analogs

抄録

   (+)-(2R,3R)-7-Formyl-6-methoxy-2-methoxymethyl-3- (3,4-methylenedioxyphenyl)-2,3-dihydro-1,4-benzodioxin (2), a key building block for the total synthesis of haedoxan A, was synthesized from (4R)-4-(phenylmethyl)-2-oxazolidinone (3) in ten steps with a 12% overall yield.