rel-(1S,2S,3aS,7aS)-5-acetyl-1,2,3,3a,7,7a-hexahydro-2,6-dihydroxy-1,2,3a-trimethyl-4-oxo-4H-indene-3,3-dicarboxylic acid 130.0~135.0 ℃
、399.97 Pa
条件下,
反应 0.67h,
以110 mg的产率得到(3R,3aR,7aR)-6-Acetyl-5-hydroxy-2,3,7a-trimethyl-7-oxo-3a,4,7,7a-tetrahydro-3H-indene-1-carboxylic acid