The Chemical Constituents of Ajuga Plants. I. neo-Clerodanes from the Leaves of Ajuga nipponensis MAKINO
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- SHIMOMURA HIROKO
- Tokyo College of Pharmacy, University of Tokyo
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- SASHIDA YUTAKA
- Tokyo College of Pharmacy, University of Tokyo
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- OGAWA KAZUNORI
- Tokyo College of Pharmacy, University of Tokyo
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- IITAKA YOICHI
- Faculty of Pharmaceutical Sciences, University of Tokyo
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Description
Three new bitter principles, ajugamarin, dihydroajugamarin, and ajugamarin chlorohydrin, which belong to the neo-clerodane group of diterpenoids, have been isolated from the leaves of Ajuga nipponensis. The structures of these compounds were established by chemical and spectroscopic means. The absolute structure of ajugamarin was determined by the X-ray analysis of ajugamarin p-bromobenzoate. Ajugamarin chlorohydrin may have been formed by addition of hydrogen chloride to ajugamarin during the isolation procedure.
Journal
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- Chemical & pharmaceutical bulletin
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Chemical & pharmaceutical bulletin 31 (7), 2192-2199, 1983-07-25
The Pharmaceutical Society of Japan
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Keywords
Details 詳細情報について
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- CRID
- 1570572702508591360
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- NII Article ID
- 110003624409
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- NII Book ID
- AA00602100
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- ISSN
- 00092363
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- Text Lang
- en
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- Data Source
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- CiNii Articles