Norbadione A: Synthetic Approach to the Bis(pulvinic acid) Moiety and Cesium‐Complexation Studies

2003/03/13 by Marine Desage‐El Murr, Stéphanie Nowaczyk, Thierry Le Gall +3 · 1 citation
Chemistry · Environmental Science · #Marine Toxins and Detection Methods #Organic Chemistry Synthesis Methods #Synthetic Organic Chemistry Methods

paper · doi:10.1002/anie.200390332

openalex publication_date 2003/03/13 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/25

Abstract

A permethylated analogue 1 of the mushroom pigment norbadione A was synthesized through a double Suzuki–Miyaura coupling of 1,7-diboronated naphthalene 2 and triflate 3. ESI-MS studies showed similar constants for the formation of the complexes of the norbadione A dipotassium salt and of 1 with a cesium ion, thus suggesting that cesium complexation involves the two pulvinic acid parts of these molecules. Tf=trifluoromethanesulfonyl.

Citations

• Pigments from the Cap Cuticle of the Bay Boletus (Xerocomus badius)
• Maleic anhydrides in synthesis. Preparation of furan-2(5H)-one phosphonate derivatives and a new synthesis of pulvinic acids and pulvinone analogues
• A naphthalenoid pulvinic acid derivative from the fungus Pisolithus tinctorius

Cited by

• Pulvinone [wikipedia]