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Note | Regular issue | Vol 45, No. 5, 1997, pp.949-954
Published online, 1st January, 1970
DOI: 10.3987/COM-96-7723
The Thermal Dimerization of Pyrano[3,2-c]coumarins

Giovanni Appendino, Giovanni Palmisano,* Silvia Tagliapietra, Gian Mario Nano, Luisella Calabi, and Lino Paleari

*Dipartimento di Scienza, Tecnologia del Farmaco, via P. Giuria 9, I-10125 Torino, Italy


The thermal dimerization of the pyrano[3,2-c]coumarin (1) gave a mixture of four dimeric compounds, whose structure was established by extensive NMR studies.