A catalyst don’t appear in the overall stoichiometry of the reaction it catalyzes, Quality Control of Sodium 2-methylprop-2-ene-1-sulfonate, but it must appear in at least one of the elementary reactions in the mechanism for the catalyzed reaction. 1561-92-8, Name is Sodium 2-methylprop-2-ene-1-sulfonate, molecular formula is C4H7NaO3S. In an article, author is Sonar, Vijayakumar N.,once mentioned of 1561-92-8.
Novel substituted (Z)-2-(N-benzylindol-3-ylmethylene)-quinuclidin-3-one and (Z)-(+/-)-2-(N-benzylindol-3-ylmethylene)-quinuclidin-3-ol derivatives as potent thermal sensitizing agents
Use of ionizing radiation is essential for the management of many human cancers, and therapeutic hyperthermia has been identified as a potent radio sensitizer. Radiation therapy combined with adjuvant hyperthermia represents a potential too] to provide outstanding local-regional control for refractory disease. (Z)-(+/-)-2-(N-Benzylindol-3-ylmethylene)quinuclidin-3-oI (2) and (Z)-(+/-)-2-(N-benzenesulfonylindol-3-ylmethylene)quinuclidin-3-ol (4) were initially identified as potent thermal sensitizers that could lower the threshold needed for thermal sensitivity to radiation treatment. To define the structural requirements of the molecule that are essential for thermal sensitization, we have synthesized and evaluated a series of (Z)-2-(N-benzylindol-3-ylmethylene)quinuclidin-3-one (9), and (Z)-()-2-(N-benzylindol-3-ylmethylene)quinuclidin-3-oI (10) analogs that incorporate a variety of substituents in both the indole and N-benzyl moieties. These systematic structure-activity relationship (SAR) studies were designed to further the development and optimization of potential clinically useful thermal sensitizing agents. The most potent analog was compound 10 (R-1 = H, R 2 = 4-Cl), which potently inhibited (93% inhibition at 50 mu M) the growth of HT-29 cells after a 41 degrees C/2 h exposure. (c) 2007 Elsevier Ltd. All rights reserved.
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Quinuclidine – Wikipedia,
,Quinuclidine | C7H13N | ChemSpider