• 제목/요약/키워드: Sam5

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Acetonylidene americanin A, An artefact isolated from phytolacca americana

  • Woo, Won-Sick;Kang, Sam-Sik;Otto-Seligmann;Wagner, Hildebert
    • Archives of Pharmacal Research
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    • 제5권1호
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    • pp.1-5
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    • 1982

  • From the seeds of Phytolacca americana, acentonylidene americanin. A was isolated and its structure elucidated mainly by spectroscopic methods. This compound is not a genuine constituent but formed in the tissue on heating with acetone.

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Coumarins and a Pyrimidine from Angelica gigas Roots

  • Lee, Sang-Hyun;Kang, Sam-Sik;Shin, Kuk-Hyun
    • Natural Product Sciences
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    • 제8권2호
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    • pp.58-61
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    • 2002

  • Five coumarins and a pyrimidine were isolated from the roots of Angelica gigas. Their structures were elucidated as bergapten (1), decursinol angelate (2), decursin (3), nodakenetin (4), uracil (5) and nodakenin (6) by spectral analysis. Among them, bergapten (1) and uracil (5) were isolated for the first time from this plant part.

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품질경영진단모델을 통한 프로세스 혁신에 관한 연구 (A Study on Process Innovation through Quality Management Diagnosis Model)

  • 김종국;유진삼;김창은
    • 대한안전경영과학회:학술대회논문집
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    • 대한안전경영과학회 2012년 춘계학술대회
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    • pp.547-559
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    • 2012

  • This thesis introduced a model of diagnosing a company's quality management, and a process of achieving quality innovation based on the model. As for study methods, books and theses related to quality and process innovation were collected for investigation, a survey on internal employees to investigate major issues of quality and standard consciousness was conducted, and 5DP was discussed for balanced process analysis.

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