New flavan and alkyl alpha, beta-lactones from the stem bark of Horsfieldia superba.

• Main Authors: Al-Mekhlafi, Nabil Ali Naji, Shaari, Khozirah, Abas, Faridah, Jeyaraj, Ethel Jeyaseela, Stanslas, Johnson, Khalivulla, Shaik Ibrahim, Lajis, Md Nordin
• Format: Article
• Language: English
• Published: Natural Product Communications 2013
• Online Access: http://psasir.upm.edu.my/id/eprint/30491/1/New%20flavan%20and%20alkyl%20alpha.pdf; http://psasir.upm.edu.my/id/eprint/30491/

In the present study phytochemical investigation of the methanol extract of the stem bark of Horsfieldia superba led to the isolation of twenty compounds (1-20), of which three (1-3) were new. However, compounds 2 and 3 were previously reported as synthetic alpha,beta-lactones. The compounds were ch...