Pyrylium-mediated transformations of natural products. Part 1. Synthesis and hydrolysis of 4-(4-methoxy-3-sulphophenyl)-2,6-bis-(4-sulphophenyl) pyrylium perchlorate: a new water-soluble pyrylium cation
- 1 January 1984
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Perkin Transactions 2
- No. 5,p. 841-847
- https://doi.org/10.1039/p29840000841
Abstract
The title pyrylium cation (7) coexists in water with the enedione pseudobase (12) and the anion [cf.(13)]. The kinetic and equilibrium interrelationships of these species and the corresponding 2H-pyran and oxodienol over a wide pH range have been studied and elucidated.Keywords
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