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Studies on Ether-Soluble Neutral Compounds of Peperomia pellucida

  • Josefina-B. Manalo;Han, Byung-Hoon;Han, Yong-Nam;Park, Myung-Hwan;Felicidad-E. Anzaldo
    • Archives of Pharmacal Research
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    • v.6 no.2
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    • pp.133-136
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    • 1983

  • From ether-soluble neutral fraction of the whole plant of Peperomia pellucida (L) HBK (Piperaceae), 4, 7-dimethoxy-5-(2-propenyl)-1, 3-benzodioxole or apiol, in a liquid state, 2, 4, 5-trime-thoxy styrene, mp 138.deg. and three phytosterols, campesterol, stigmasterol and .betha.-sitosterol, were isolated and characterized by spectral data.

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GEODESIC FORMULA OF A CERTAIN CLASS OF PSEUDORIEMANNIAN 2-STEP NILPOTENT GROUPS AND JACOBI OPERATORS ALONG GEODESICS IN PSEUDORIEMANNIAN 2-STEP NILPOTENT GROUPS

  • Min, B.;Jang, C.;Park, K.
    • East Asian mathematical journal
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    • v.26 no.5
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    • pp.607-614
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    • 2010

  • In this paper, we obtain geodesic formula of a certain class of Pseudoriemmanian 2-step nilpotent groups and show a constancy of represenation matrix of Jacobi oprerators along geodesics in Pseudoriemmanian 2-step nilpotent groups with one dimensional center.

  • https://doi.org/10.7858/eamj.2010.26.5.607 인용 PDF KSCI