La(OTf) 3催化的[3+2]环加成反应通过醌和1,2-二叔丁基-3-(氰胺基)二氮丙啶合成苯并[ d ]恶唑/苯并呋喃(1,3-二叔丁基-2-氰基胍)/乙烯基叠氮化物已被探索。方便地得到了一系列5-羟基苯并呋喃-4-甲酸衍生物和5-羟基苯并[ d ]恶唑-4-甲酸衍生物,收率高,立体选择性好,可用于进一步转化为有价值的化合物。
La(OTf) 3催化的[3+2]环加成反应通过醌和1,2-二叔丁基-3-(氰胺基)二氮丙啶合成苯并[ d ]恶唑/苯并呋喃(1,3-二叔丁基-2-氰基胍)/乙烯基叠氮化物已被探索。方便地得到了一系列5-羟基苯并呋喃-4-甲酸衍生物和5-羟基苯并[ d ]恶唑-4-甲酸衍生物,收率高,立体选择性好,可用于进一步转化为有价值的化合物。
Faust et al., Journal of the American Pharmaceutical Association (1912), 1956, vol. 45, p. 514,517
作者:Faust et al.
DOI:——
日期:——
SMALL MOLECULES TARGETING THE INTRINSICALLY DISORDERED STRUCTURAL ENSEMBLE OF ALPHA-SYNUCLEIN PROTECT AGAINST DIVERSE ALPHA-SYNUCLEIN MEDIATED DYSFUNCTIONS
申请人:The Regents of the University of California
公开号:EP3941452A1
公开(公告)日:2022-01-26
[EN] SMALL MOLECULES TARGETING THE INTRINSICALLY DISORDERED STRUCTURAL ENSEMBLE OF ALPHA-SYNUCLEIN PROTECT AGAINST DIVERSE ALPHA-SYNUCLEIN MEDIATED DYSFUNCTIONS<br/>[FR] PETITES MOLÉCULES CIBLANT L'ENSEMBLE STRUCTURAL INTRINSÈQUEMENT DÉSORDONNÉ DE LA PROTECTION DE L'ALPHA-SYNUCLÉINE CONTRE DIVERSES DYSFONCTIONS À MÉDIATION PAR L'ALPHA-SYNUCLÉINE
申请人:UNIV CALIFORNIA
公开号:WO2020190970A1
公开(公告)日:2020-09-24
Provided herein are pharmaceutical compositions and methods for treatment or prevention of synucleinopathies with small-molecule inhibitors of pathogenic α-synuclein activity having the Formula (I). Also, provide are methods for identifying novel compounds for modulating α-synuclein activity.
La(OTf)<sub>3</sub>-Catalyzed [3+2] Cycloaddition Reactions for the Synthesis of Benzo[<i>d</i>]oxazoles/Benzofurans
The La(OTf)3-catalyzed [3+2] cycloaddition reactions for the synthesis of benzo[d]oxazoles/benzofurans via quinones and 1,2-di-tert-butyl-3-(cyanimino)diaziridine (1,3-di-tert-butyl-2-cyanoguanidine)/vinyl azides have been explored. A series of 5-hydroxybenzofuran-4-carboxylic acid derivatives and 5-hydroxybenzo[d]oxazole-4-carboxylic acid derivatives were conveniently obtained with high yields and
La(OTf) 3催化的[3+2]环加成反应通过醌和1,2-二叔丁基-3-(氰胺基)二氮丙啶合成苯并[ d ]恶唑/苯并呋喃(1,3-二叔丁基-2-氰基胍)/乙烯基叠氮化物已被探索。方便地得到了一系列5-羟基苯并呋喃-4-甲酸衍生物和5-羟基苯并[ d ]恶唑-4-甲酸衍生物,收率高,立体选择性好,可用于进一步转化为有价值的化合物。