Styrene as 4π-Component in Zn(II)-Catalyzed Intermolecular Diels–Alder/Ene Tandem Reaction
作者:Min Zheng、Feng Wu、Kai Chen、Shifa Zhu
DOI:10.1021/acs.orglett.6b01511
日期:2016.8.5
A mild Zn-catalyzed intermolecular Diels–Alder/ene tandemreaction with styrene as a 4π-component is reported. A variety of dihydronaphthalene products could be prepared in moderate to good yields. Moreover, a combination of DFT calculations and experiments was performed to further understand the mechanism of this unique tandemreaction.
Direct synthesis of pyrroles via 1,3-dipolar cycloaddition of azomethine ylides with ynones
作者:Zheng Wang、Ying Shi、Xiaoyan Luo、De-Man Han、Wei-Ping Deng
DOI:10.1039/c3nj00067b
日期:——
A direct and facile synthesis of multi-substituted pyrroles via AgOAc-catalyzed 1,3-dipolarcycloaddition of azomethine ylides with ynones is developed, providing the corresponding adducts in moderate to high yields (up to 89%).
Synthesis of Vinyl-, Allyl-, and 2-Boryl Allylboronates via a Highly Selective Copper-Catalyzed Borylation of Propargylic Alcohols
作者:Lujia Mao、Rüdiger Bertermann、Katharina Emmert、Kálmán J. Szabó、Todd B. Marder
DOI:10.1021/acs.orglett.7b03294
日期:2017.12.15
An efficient methodology for the synthesis of vinyl-, allyl-, and (E)-2-boryl allylboronates from propargylic alcohols via Cu-catalyzed borylation under mild conditions is reported. In the presence of commercially available Cu(OAc)2 or Cu(acac)2 and Xantphos, the reaction affords the desired products in up to 92% yield with a broad substrate scope (43 examples). Isolation of an allenyl boronate as
Copper-Catalyzed Huisgen 1,3-Dipolar Cycloaddition under Oxidative Conditions: Polymer-Assisted Assembly of 4-Acyl-1-Substituted-1,2,3-Triazoles
作者:Paula M. Diz、Alberto Coelho、Abdelaziz El Maatougui、Jhonny Azuaje、Olga Caamaño、Álvaro Gil、Eddy Sotelo
DOI:10.1021/jo400800j
日期:2013.7.5
We herein document the first example of a reliable copper-catalyzed Huisgen 1,3-dipolar cycloaddition underoxidativeconditions. The combined use of two polymer-supported reagents (polystyrene-1,5,7-triazabicyclo[4,4,0]dec-5-ene/Cu and polystyrene-2-iodoxybenzamide) overcomes the thermodynamic instability of copper(I) species toward oxidation, enabling the reliable Cu-catalyzed Huisgen 1,3-dipolar
[EN] RET INHIBITORS, PHARMACEUTICAL COMPOSITIONS AND USES THEREOF<br/>[FR] INHIBITEURS DE RET, COMPOSITIONS PHARMACEUTIQUES ET UTILISATIONS ASSOCIÉES
申请人:SUNSHINE LAKE PHARMA CO LTD
公开号:WO2020114494A1
公开(公告)日:2020-06-11
Provided herein are a RET inhibitor, a pharmaceutical composition thereof and uses thereof. In particular, provided is a compound having Formula (I) or a stereoisomer, a geometric isomer, a tautomer, an N-oxide, a solvate, a metabolite, a pharmaceutically acceptable salt or a prodrug thereof. Provided is a pharmaceutical composition comprising the compound, and uses of the compound and pharmaceutical composition thereof for the preparation of a medicament, in particular for treatment and prevention of RET-related diseases and conditions, including cancer, irritable bowel syndrome, and/or pain associated with irritable bowel syndrome.