The suspected environmental contaminants phenanthro[2,3‐h]isoquinoline 12 and phenanthro[3,2‐h]isoquinoline 11 were synthesized in four steps from a common intermediate 1,4‐phenanthroquinone 3, using a Diels‐Alder reaction.
The suspected environmental contaminants phenanthro[2,3‐h]isoquinoline 12 and phenanthro[3,2‐h]isoquinoline 11 were synthesized in four steps from a common intermediate 1,4‐phenanthroquinone 3, using a Diels‐Alder reaction.
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