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烯烃化合物2的环还原生成化合物1的前体化合物的反应是1的全合成中的关键一步。该反应是在Pd 催化条件下进行的,产率为86%。化合物2通过
The ring reduction of alkene compound 2 to the precursor compound of compound 1 is a crucial step in total synthesis of 1. The reaction was carried out under Pd catalysis and the yield was 86%. Compound 2 passed