New Syntheses of Demethylsuberosin, Xanthyletin, (±)-Decursinol, (+)-Marmesin, (−)-Nodakenetin, (±)-Decursin, and (±)-Prantschimgin
- 1 July 1971
- journal article
- Published by Canadian Science Publishing in Canadian Journal of Chemistry
- Vol. 49 (13) , 2297-2301
- https://doi.org/10.1139/v71-371
Abstract
The title compounds, natural coumarins or their racemic modifications, were synthesized via malonic acid condensations with appropriate salicylaldehydes. Oxidation of 2,4-dihydroxy-5-(3-methyl-2 butenyl)benzaldehyde with DDQ, peracid, and acid–peracid gave the aldehydes for xanthyletin, marmesin, and decursinol, respectively. Some 14C-labelled coumarins were prepared similarly. The n.m.r. spectral data for the products are presented.Keywords
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