Directed γ-C(sp<sup>3</sup>)–H Alkylation of Carboxylic Acid Derivatives through Visible Light Photoredox Catalysis
作者:Dian-Feng Chen、John C. K. Chu、Tomislav Rovis
DOI:10.1021/jacs.7b09306
日期:2017.10.25
Visible light photoredox catalysis enables direct γ- C(sp3)-H alkylation of saturated aliphatic carbonyl compounds. Electron-deficient alkenes are used as the coupling partners in this reaction. Distinguished site selectivity is controlled by the predominant 1,5-hydrogen atom transfer of an amidyl radical generated in situ.
Primary, Secondary, and Tertiary γ-C(sp<sup>3</sup>)–H Vinylation of Amides via Organic Photoredox-Catalyzed Hydrogen Atom Transfer
作者:Hui Chen、Liangliang Guo、Shouyun Yu
DOI:10.1021/acs.orglett.8b02737
日期:2018.10.5
An efficient strategy for primary, secondary and tertiary aliphatic γ-C(sp3)–H vinylation of amides with alkenylboronic acids is reported. These reactions are catalyzed by visible-light organic photoredox agents. Regioselective γ-C(sp3)–H vinylation of amides is controlled by a 1,5-hydrogen atom transfer of an amidyl radical generated in situ.
Bidentate ligand 8-aminoquinoline-aided Pd-catalyzed diastereoselective β-arylation of the prochiral secondary sp3 C–H bonds of 2-phenylbutanamides and related aliphatic carboxamides
two prochiral centers with aryl iodides successfully furnished the bis arylated products meso-8eA–hA and (±)-8eB–hB (diastereomers). The arylation of (S)-2-phenylbutanamide also gave the corresponding enantiomerically enriched compounds 10a–c (anti isomers). The stereochemistry of the products (±)-3a–l (major isomers), meso-8eA–hA (major isomers), (±)-8eB–hB (minor isomers) and enantiomerically enriched
Remote Regioselective Radical C–H Functionalization of Unactivated C–H Bonds in Amides: The Synthesis of <i>gem</i>-Difluoroalkenes
作者:Qu-Ping Hu、Jing Cheng、Ying Wang、Jie Shi、Bi-Qin Wang、Ping Hu、Ke-Qing Zhao、Fei Pan
DOI:10.1021/acs.orglett.1c01385
日期:2021.6.4
The site-selective functionalization of unactivated aliphatic amines is an attractive and challenging synthetic approach. We herein report a general strategy for the remote site-selective functionalization of unactivated C(sp3)–H bonds in amides by photogenerated amidyl radicals to form gem-difluoroalkenes with trifluoromethyl-substituted alkenes. The site selectivity is controlled by a 1,5-hydrogen
COMPOUNDS FOR THE TREATMENT OF SEIZURES AND OTHER CENTRAL NERVOUS SYSTEM DISORDERS AND CONDITIONS
申请人:Ketogen Inc.
公开号:US20150344413A1
公开(公告)日:2015-12-03
The present application relates to novel compounds comprising a moiety that leads to the metabolic production of ketones bonded to a ketone-potentiated anti-epileptic drug, compositions comprising these compounds, and their use, for example for the treatment of epilepsy, and other CNS diseases, disorders or conditions. In particular, the present application includes compounds of Formula I, and compositions and uses thereof: