Studies on the furanoid diterpenes from Teucrium japonicum Houtt.
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چکیده
منابع مشابه
New furanoid diterpenes from Caesalpinia pulcherrima.
Four new cassane-type furanoditerpenoids (1-4) were isolated from the air-dried leaves of Caesalpinia pulcherrima. Their structures were elucidated by spectral data interpretation. The exocyclic methylene compound 1 readily isomerized and oxidized to the benzofuran 4. Benzyl 2,6-dimethoxybenzoate (5) was also identified in this study. Antimicrobial tests on 1-5 indicated that they were active a...
متن کاملMolluscicidal activity of Nerium indicum Mill, Pterocarya stenoptera DC, and Rumex japonicum houtt on Oncomelania hupensis.
OBJECTIVE To evaluate the molluscicidal activities of three Chinese plants N. indicum Mill, R stenoptera DC, and R. japonicum Houtt, and to clarify the molluscicidal mechanism. METHODS N-butanol extracts and water extracts of the three plants were obtained. The reactions of EST isozyme, glycogen and total protein of snails to the plant extracts were studied. RESULTS EST electrophoresis show...
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متن کاملStudies on constituents from Chamaecyparis pisifera and antibacterial activity of diterpenes.
In the course of our research for biologically active constituents from coniferous plants, a chromone derivative (1) and an abietane derivative (2) were isolated along with several diterpenes from Chamaecyparis pisifera. Structures of the new compounds were determined to be 5,7-dihydroxy-2-(1-acetyl-2-methoxycarbonylethyl)-chromone and rel-(8R,10R,20S)-8,10,20-trihydroxy-9(10-->20)-abeo-abieta-...
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ژورنال
عنوان ژورنال: Chemical and Pharmaceutical Bulletin
سال: 1981
ISSN: 0009-2363,1347-5223
DOI: 10.1248/cpb.29.3561