200619-13-2Relevant articles and documents
Synthesis and insecticidal activities of novel spin-labeled derivatives of camptothecin
Liu, Ying-Qian,Dai, Wei,Tian, Jing,Yang, Liu,Feng, Gang,Zhou, Xing-Wen,Kou, Liang,Zhao, Yong-Long,Li, Wen-Qun,Li, Lin-Hai,Li, Hong-Yu
scheme or table, p. 687 - 691 (2012/01/03)
Continuing our search for natural product based compounds for the control of Brontispa longissima larvae, eight spin-labeled camptothecin derivatives 7a-h and the intermediate 2 were first tested for their insecticidal activities against fifth-instar larv
CRYSTALLINE FORM OF 5(S)-(2'-HYDROXYETHOXY)-20(S)-CAMPTOTHECIN
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Page/Page column 32-33, (2008/06/13)
A crystalline form of 5(S)-(2'-hydroxyethoxy)-20(S)-camptothecin diastereoisomer of 5(RS)-(2'-hydroxyethoxy)-20(S)-camptothecin is described that is characterized by having an X-ray powder diffraction pattern comprising one or more peak intensities expressed in degrees 2θ that are selected from the group consisting of 7.2 ± 0.1, 9.4 ± 0.1, 11.02 ± 0.1, 12.00 ± 0.1, 14.54 ± 0.1, 15.2 ± 0.1, 18.92 ± 0.1, 21.86 ± 0.1, 22.74 ± 0.1 and 26.42 ± 0.1. Methods of making and using the compound are also described.