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  1. No Access

    Article

    Preparation of azides from hydrazines by using dinitrogen tetroxide as nitrosonium ion source

    Various hydrazines such as aryl-, carbonyl-, and sulfonyl-hydrazine were reacted with dinitrogen tetroxide to give the corresponding azides in excellent yields under mild conditions at low temperature (−20–−40...

    Kweon Kim, Yong Hae Kim in Archives of Pharmacal Research (1993)

  2. No Access

    Article

    Extraction and determination of phytosterols from corn oil foots

    By saponification and extraction of corn oil foots abandoned as waste during oil refining, a mixture of phytosterols was obtained, and its major components were determined as β-sitosterol, campesterol and stig...

    Sang Ho Kim, Sang Hoo Park, Byung Goo Ahn, Jeong Sang Yi… in Archives of Pharmacal Research (1990)