@article {2227,
	title = {Four new butanolide derivatives from Hortonia, a genus endemic to Sri Lanka},
	journal = {Journal of Chemical Research-S},
	number = {3},
	year = {2008},
	note = {ISI Document Delivery No.: 388JWTimes Cited: 0Cited Reference Count: 13Ratnayake, Rukmal Bandara, B. M. Ratnayake Wijesundara, D. Siril. A. Carr, Gavin Andersen, Raymond J. Karunaratne, Veranja},
	month = {Mar},
	pages = {134-136},
	type = {Article},
	abstract = {Three new butanolides, (2E,3R,4R,9{\textquoteright}Z)-2-(dodec-9{\textquoteright}-en-11{\textquoteright}-ynylidene)-3-hydroxy-4-methylbutanolid e (1), (2E,3R,4R)-2-(dodeca-9{\textquoteright},1 1{\textquoteright}-diynylidene)-3-hydroxy-4-methylbutanolide(2),(2E,3R,4R,9{\textquoteright}E)-2-(dodeca -9{\textquoteright},11{\textquoteright}-dienylidene)-3-hydroxy-4-methylbutanolide (3) and one new ring-opened butanolide, methyl (2Z,11Z,1{\textquoteright}R,2{\textquoteright}R)-2-(1{\textquoteright},2{\textquoteright}-dihydroxypropyl) tetradeca-2,11-dien-13-ynoate (4) were isolated from the leaves of the three representative species of the endemic primitive genus Hortonia (Monimiaceae), namely H. angustifolia, H. floribunda and H. ovalifolia. Their structures were elucidated on the basis of spectroscopic evidence.},
	keywords = {chemotaxonomic significance, Hortonia angustifolia, Hortonia floribunda, Hortonia ovalifolia, lactones, Monimiaceae, new butanolide derivatives},
	isbn = {0308-2342},
	url = {<Go to ISI>://000262017100004},
	author = {Ratnayake, R. and Bandara, B. M. R. and Wijesundara, D. S. A. and Carr, G. and Andersen, R. J. and Karunaratne, V.}
}
