S-[3-[(1S,4R,5R,6S)-6-(4-chlorophenyl)-3-formyl-5-nitro-4-phenylcyclohex-2-en-1-yl]propyl] ethanethioate 在
potassium carbonate 作用下,
以
甲醇 为溶剂,
以40%的产率得到(4aR,5S,6R,7S,8S,8aR)-5-(4-chlorophenyl)-6-nitro-7-phenyl-3,4,4a,5,6,7,8,8a-octahydro-2H-thiochromene-8-carbaldehyde