Structure of a dimer of ageratochromene
- 1 January 1973
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Perkin Transactions 1
- p. 2468-2470
- https://doi.org/10.1039/p19730002468
Abstract
A solid obtained in the dimerisation of ageratochromene (6,7-dimethoxy-2,2-dimethyl-1-benzopyran)(II) in the presence of acid has been shown to be 5,6,6a,6b,7,12b-hexahydro-1,2,10,11-tetramethoxy-5,5,7,7-tetramethylcyclopenta[1,2-c;5,4,3-d′e′]bis[1]benzopyran (IV) by a study of its n.m.r. and mass spectra.Keywords
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