Photoinduced Palladium‐Catalyzed Negishi Cross‐Couplings Enabled by the Visible‐Light Absorption of Palladium–Zinc Complexes
作者:Irini Abdiaj、Lena Huck、José Miguel Mateo、Antonio de la Hoz、M. Victoria Gomez、Angel Díaz‐Ortiz、Jesús Alcázar
DOI:10.1002/anie.201808654
日期:2018.10
A visible‐light‐induced Negishicross‐coupling is enabled by the activation of a Pd0–Zn complex. With this photocatalytic method, the scope of deactivated aryl halides that can be employed in the Negishicoupling was significantly expanded. NMR experiments conducted in the presence and absence of light confirmed that the formation of the palladium–zinccomplex is key for accelerating the oxidative
New amino acid derivatives and their use as thrombin inhibitors
申请人:AstraZeneca AB
公开号:US20020019371A1
公开(公告)日:2002-02-14
There is provided compounds of formula I,
1
wherein R
1
, R
2
, R
3
, R
x
, Y, n and B have meanings given in the description which are useful as competitive inhibitors of trypsin-like proteases, such as thrombin, and in particular in the treatment of conditions where inhibition of thrombin is required (e.g. thrombosis) or as anticoagulants.
The synthesis of a series of 1-phenoxy-3-[(amidoalkyl)amino]propan-2-ols, in which the phenoxy ring is variously substituted with ortho and para amidic moieties, is described. Several of the compounds have beta-blocking potency comparable to that of propranolol and cardioselectivity similar to that of practolol, when given intravenously to anesthetized cats. In contrast to previous findings with cardioselective beta blockers, both ortho and para substitution give variable degrees of cardioselectivity. Potency, however, is favored by ortho substitution.
LARGE, M. S.;SMITH, L. H., J. MED. CHEM., 1983, 26, N 3, 352-357
作者:LARGE, M. S.、SMITH, L. H.
DOI:——
日期:——
NEW AMINO ACID DERIVATIVES AND THEIR USE AS THROMBIN INHIBITORS