Development of small molecule–drug conjugates based on derivatives of natural proteasome inhibitors that exhibit selectivity for PSMA-expressing cancer cells
The disclosure relates generally to methods for the preparation of a family of natural compounds, the syrbactins and their analogs.
US9221772B2
申请人:——
公开号:US9221772B2
公开(公告)日:2015-12-29
US9359309B2
申请人:——
公开号:US9359309B2
公开(公告)日:2016-06-07
US9783572B2
申请人:——
公开号:US9783572B2
公开(公告)日:2017-10-10
Total Synthesis of Syringolin A and B
作者:Michael C. Pirrung、Goutam Biswas、Tannya R. Ibarra-Rivera
DOI:10.1021/ol100761z
日期:2010.5.21
Total syntheses of two recently discovered proteasome inhibitors, syringolin A and B, are reported. The key to our approach was creation of the α,β-unsaturated 12-membered lactam via intramolecular Horner−Wadsworth−Emmons reaction. Such reactions have been broadly used to prepared macrolactones, but this work presents a rarer example of its application to macrolactams. The final steps involved attachment