2-(2-溴苯基)乙基已被用作基团成环反应到吡咯上以合成三环和四环杂环。甲基磺酸2-(2-溴苯基)乙酯被用于烷基化吡咯(咪唑,吡咯,吲哚和吡唑)以合成自由基前体。中间芳基的环化产生连接到唑的新的6-元环。芳基经历分子内均溶芳族取代到唑环上。氢化三丁基锗已成功用于替代有毒且麻烦的氢化三丁基锡。初步研究表明,该方案可用于固相树脂。甲基5,6-二氢咪唑并[5,1- a]的分子和晶体结构通过X射线晶体学测定[异]喹啉-1-羧酸酯和5,6-二氢咪唑并[2,1 - a ]异喹啉-3-羧酸甲酯。
The palladium-catalyzed arylation and alkenylation of N-substituted methyl imidazole-4-carboxylates are described through inter- and intramolecular pathways. Both direct C2–H and C5–H arylation and alkenylation proceed under Pd(0)/Cu(I) cooperative catalysis and Pd(0) catalysis, respectively, in low-polarity 1,4-dioxane solvent. The methodology gives access to C2 (hetero)aryl or alkenyl imidazoles
[EN] IMIDAZOLIUM REAGENT FOR MASS SPECTROMETRY<br/>[FR] RÉACTIF D'IMIDAZOLIUM POUR SPECTROMÉTRIE DE MASSE
申请人:HOFFMANN LA ROCHE
公开号:WO2021234004A1
公开(公告)日:2021-11-25
The present invention relates to compounds which are suitable to be used in mass spectrometry as well as methods of mass spectrometric determination of analyte molecules using said compounds.
本发明涉及适用于质谱的化合物,以及利用该化合物进行分析物分子的质谱测定方法。
Chemoselective Palladium-Catalyzed Direct C-H Arylation of 5-Carboxyimidazoles: Unparalleled Access to Fused Imidazole-Based Tricycles Containing Six-, Seven- or Eight-Membered Rings
without CuI assistance in 1,4-dioxane as a low-polarity solvent was explored. The method was suitable for the synthesis of fused imidazole-based tricyclic systems incorporating medium-sized rings, including, for the first time, eight-memberedrings, which are valuable in modern drug design.
对化学选择性 Pd 催化的 N-苄基化 5-羧基咪唑与卤化物在作为低极性溶剂的 1,4-二恶烷中有或没有 CuI 辅助的分子间和分子内直接 C-H 芳基化进行了广泛的研究。该方法适用于合成包含中等大小环的稠合咪唑基三环系统,包括首次在现代药物设计中有价值的八元环。
Bicyclic lactams and methods of use thereof
申请人:Genentech, Inc.
公开号:US10988459B2
公开(公告)日:2021-04-27
The invention provides novel compounds having the general formula I:
wherein R1, X, Z1, L, n, the A ring, the B ring, and the C ring are as described herein, pharmaceutical compositions including the compounds and methods of using the compounds.
本发明提供了具有通式 I 的新型化合物:
其中 R1、X、Z1、L、n、A 环、B 环和 C 环如本文所述,提供了包括该化合物的药物组合物和使用该化合物的方法。