Oxetanes in Drug Discovery: Structural and Synthetic Insights
作者:Georg Wuitschik、Erick M. Carreira、Björn Wagner、Holger Fischer、Isabelle Parrilla、Franz Schuler、Mark Rogers-Evans、Klaus Müller
DOI:10.1021/jm9018788
日期:2010.4.22
of metabolic degradation in most cases. The incorporation of an oxetane into an aliphatic chain can cause conformational changes favoring synclinal rather than antiplanar arrangements of the chain. Additionally spirocyclic oxetanes (e.g., 2-oxa-6-aza-spiro[3.3]heptane) bear remarkable analogies to commonly used fragments in drugdiscovery, such as morpholine, and are even able to supplant the latter
An efficient and exceptionally stereoselective synthesis of chiral cycl[3.2.2]azines has been realized by means of the rational design and utilization of novel (E)-3-benzylidene-3H-pyrrolizines in iminium-ion-catalyzed [8+2] cycloaddition reactions. The presented protocol allows for the incorporation of diverse enals, including cinnamaldehydes, enolizable aldehydes, and substrates of extended conjugation
IMIDAZOTRIAZINECARBONITRILES USEFUL AS KINASE INHIBITORS
申请人:Bristol-Myers Squibb Company
公开号:US20150065465A1
公开(公告)日:2015-03-05
The invention provides compounds of Formula (I)
and pharmaceutically acceptable salts thereof. The Formula (I) imidazotriazines inhibit protein kinase activity thereby making them useful as anticancer agents.
Imidazotriazinecarbonitriles useful as kinase inhibitors
申请人:Bristol-Myers Squibb Company
公开号:US08940736B2
公开(公告)日:2015-01-27
The invention provides compounds of Formula (I)
and pharmaceutically acceptable salts thereof. The Formula (I) imidazotriazines inhibit protein kinase activity thereby making them useful as anticancer agents.
Silver-Catalyzed Vinylcarbene Insertion into C–C Bonds of 1,3-Diketones with Vinyl-<i>N</i>-triftosylhydrazones
作者:Yong Wu、Yongquan Ning、Xinyue Han、Peiqiu Liao、Ying Xia、Paramasivam Sivaguru、Xihe Bi
DOI:10.1021/acs.orglett.2c03176
日期:2022.11.11
We describe the silver-catalyzedformalinsertion of a vinylcarbene into unstrained C(CO)–C bonds of 1,3-diketones using vinyl-N-triftosylhydrazones as vinylcarbene precursors. This method allows the rapid synthesis of otherwise inaccessible 2-vinyl-substituted 1,4-diketones from relatively simple substrates. This mild catalytic protocol exhibits a good functional group tolerance and substrate scope