Dimethyl 9,10-Dihydro-9,10-ethenoanthracene-11-carboxylate-12-S-carbonothioate

The molecule, C₂₀H₁₆O₄S, contains a dibenzobarrelene skeleton, with normal geometry and dimensions. The carbomethoxy substituent is almost fully conjugated with the C11=C12 double bond [O=C-C=C torsion angle = 171.3 (2)°, cos ²(angle) = 0.98].

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