Phenanthropyran derivatives from Phalaenopsis equestris |
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| Authors: | Manako Y Wake H Tanaka T Shimomura K Ishimaru K |
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| Institution: | Department of Applied Biological Sciences, Faculty of Agriculture, Saga University, 1 Honjo, 840-8502, Saga, Japan. |
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| Abstract: | Two phenanthropyran derivatives, 3-methoxy-2,7-dihydroxy-5H-phenanthro4,5-bcd]pyran and 2,3,7-trihydroxy-5H-phenanthro4,5-bcd]pyran were isolated from the orchid Phalaenopsis equestri. Their chemical structures were elucidated from spectroscopic (NMR, MS etc.) analyses. |
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