| abstract |
The present invention relates to certain compounds and to methods for the preparation of certain compounds that can be used in the fields of chemistry and medicine. Specifically, described herein are methods for the preparation of various compounds and intermediates, and the compounds and intermediates themselves. More specifically, described herein are methods for synthesizing KW-3902 derivatives of Formula (I), (II), (HI), (IV), (V), and (VI). |