Mild and Highly Selective Palladium-Catalyzed Monoarylation of Ammonia Enabled by the Use of Bulky Biarylphosphine Ligands and Palladacycle Precatalysts
作者:Chi Wai Cheung、David S. Surry、Stephen L. Buchwald
DOI:10.1021/ol401612c
日期:2013.7.19
A method for the Pd-catalyzed arylation of ammonia with a wide range of aryl and heteroaryl halides, including challenging five-membered heterocyclic substrates, is described. Excellent selectivity for monoarylation of ammonia to primary arylamines was achieved under mild conditions or at rt by the use of bulky biarylphosphine ligands (L6, L7, and L4) as well as their corresponding aminobiphenyl palladacycle
A general two-stepsynthesis of substituted 3-aminoindazoles from 2-bromobenzonitriles involving a palladium-catalyzed arylation of benzophenone hydrazone followed by an acidic deprotection/cyclization sequence is described. This procedure offers a general and efficient alternative to the typical SNAr reaction of hydrazine with o-fluorobenzonitriles.
描述了由2-溴苯甲腈进行的一般两步合成取代的3-氨基吲唑,涉及钯催化的二苯甲酮的芳基化,然后进行酸性脱保护/环化序列。该方法为肼与邻氟苄腈的典型S N Ar反应提供了一种通用而有效的替代方法。
INDAZOLE DERIVATIVES
申请人:Ackermann Jean
公开号:US20080103182A1
公开(公告)日:2008-05-01
The invention is concerned with novel indazole derivatives of formula (I)
wherein R
1
, R
2
, R
3
, R
4
, R
5
, R
6
, X and Y are as defined in the description and in the claims, as well as physiologically acceptable salts and esters thereof. These compounds inhibit L-CPT1 and can be used in the prevention or treatment of diseases which are modulated by L-CPT1 inhibitors.
Assembly of Primary (Hetero)Arylamines via CuI/Oxalic Diamide-Catalyzed Coupling of Aryl Chlorides and Ammonia
作者:Mengyang Fan、Wei Zhou、Yongwen Jiang、Dawei Ma
DOI:10.1021/acs.orglett.5b03230
日期:2015.12.4
A general and practical catalytic system for aryl amination of aryl chlorides with aqueous or gaseousammonia has been developed, with CuI as the catalyst and bisaryl oxalic diamides as the ligands. The reaction proceeds at 105–120 °C to provide a diverse set of primary (hetero)aryl amines in high yields with various functional groups.
[EN] COMPOUNDS AND METHODS FOR INHIBITING FASCIN<br/>[FR] COMPOSÉS ET PROCÉDÉS D'INHIBITION DE LA FASCINE
申请人:UNIV CORNELL
公开号:WO2015127125A1
公开(公告)日:2015-08-27
Provided are compounds, compositions and methods for inhibiting fascin activity or treating a condition or disorder mediated by fascin activity in a subject in need thereof.