Determination of a new sesquiterpene skeleton through selective

Determination of a new sesquiterpene skeleton through selective INEPT spectroscopy. Sirinart Ananvoranich, Kittisak Likhitwitayawuid, Nijsiri Ruangrun...
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J. Org. Chem. 1989,54, 2253-2255

and then the aqueous layer was concentrated in vacuo. The residue was dissolved in 10 mL of water and 50 mL of ethanol, treated with 2 mL of propylene oxide for 30 min at 50 "C (pH