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- Chia, Poh Wai; Lim, Ban Soon; Yong, Fu Siong Julius; Poh, Seng-Chee; Kan, Su-Yin
- Environmental chemistry letters 2018 v.16 no.4 pp. 1493-1499
- 4-hydroxycoumarin; benzaldehyde; catalysts; catalytic activity; ethyl acetate; metals; onion peels; toxic substances; wastes
- ... Bisenols and its derivatives are attractive heterocyclic compounds exhibiting a wide range of biological properties, including anticancer, antipyretic and antimicrobial characteristics. Many catalytic systems have been reported to enhance the synthesis of bisenols, but these catalytic systems suffer from several drawbacks, such as the use of external metals, expensive and toxic chemicals. Thus, th ...