Search Results - "Helle, Mark A."

Process Development, Impurity Control, and Production of a Novel Tubulin Inhibitor by Mortensen, Mark A, Guo, Cheng, Reynolds, Nathan T, Wang, Lingling, Helle, Mark A, Keefe, Daniel K, Haney, Brian P, Paul, Bernard J, Bruzinski, Paul R, Wolf, Mark A, Malinowski, Nicole L, Yang, Qiang

“…Process development and production of a novel tubulin inhibitor are described. The desired API was obtained through selective iodination of the 12′ position of…”
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A Stereospecific Synthesis of 24(S)-Hydroxyvitamin D2, a Prodrug for 1α,24(S)-Dihydroxyvitamin D2 by Coutts, Lisa D, Geiss, William B, Gregg, Brian T, Helle, Mark A, King, Chi-Hsin R, Itov, Zinovy, Mateo, Mary E, Meckler, Harold, Zettler, Mark W, Knutson, Joyce C

“…This contribution describes the first stereospecific synthesis of 24(S)-hydroxyvitamin D2 (1), a metabolite of vitamin D2. This metabolite acts as a prodrug…”
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A Stereospecific Synthesis of 24( S )-Hydroxyvitamin D 2 , a Prodrug for 1α,24( S )-Dihydroxyvitamin D 2 by Coutts, Lisa D., Geiss, William B., Gregg, Brian T., Helle, Mark A., King, Chi-Hsin R., Itov, Zinovy, Mateo, Mary E., Meckler, Harold, Zettler, Mark W., Knutson, Joyce C.

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Structural analysis of biomer by pyrolysis mass spectrometry and thermogravimetry by Richards, Joseph M, McClennen, W. H, Meuzelaar, H. L. C, Gregonis, D. E, Reichert, M, Helle, M

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