Chinnakali, K. ; Fun, H. K. ; Rajagopal, D. ; Swaminathan, S. ; Sriraghavan, K. (1999) 9a-propargyl-1,2,3,9-tetrahydrofluorene-3,9-dione Acta Crystallographica Section C, 55 (7). pp. 1135-1136. ISSN 0108-2701

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Official URL: http://scripts.iucr.org/cgi-bin/paper?S01082701990...

Related URL: http://dx.doi.org/10.1107/S0108270199001857


In the title compound, C16H12O2, the six-membered ring adopts a half-chair conformation and the fused five-membered ring is in a conformation between flattened sofa and half-chair. The propargyl residue is twisted diagonally towards the five-membered ring. In the solid state, the propargyl group is involved in C-H...O intermolecular hydrogen bonds to form an infinite one-dimensional chain along the a axis.

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