Various amines and alcohols are converted into the corresponding phosphamides by the action of optically active diazacyclophosphamidic chlorides and absolute configurations of amines and alcohols are readily determined by proton and phosphorus NMR of the cyclophosphamides that are formed.
Intermolecular Alkene Difunctionalization via Gold‐Catalyzed Oxyarylation
作者:Shuyao Zhang、Chenhuan Wang、Xiaohan Ye、Xiaodong Shi
DOI:10.1002/anie.202009636
日期:2020.11.9
The gold‐catalyzed intermolecular oxyarylation of alkenes is reported. This work employed the oxidative addition of aryl iodides to Me−DalphosAu+ for the formation of a AuIII−Ar intermediate. The better binding ability of alkenes over O nucleophiles ensured the success of intermolecular oxyarylation, giving desired products with a broad substrate scope and high efficiency (>50 examples with up to 95 %
报道了金催化的烯烃分子间氧化芳基化。这项工作采用芳基碘化物与 Me−DalphosAu +的氧化加成形成 Au III -Ar 中间体。烯烃比 O 亲核试剂具有更好的结合能力,确保了分子间氧芳基化的成功,从而得到具有广泛底物范围和高效率的所需产物(> 50 个示例,产率高达 95%)。将甲氧基一锅法转化为其他亲核试剂,可以在温和条件下通过构建 CN-N、C-S 和 C-C 键实现烯烃双官能化。
Palladium-catalyzed reactions of vinylic bromides with allylic alcohol and amine derivatives
作者:Lien Chung Kao、F. Gregory Stakem、Babu A. Patel、Richard F. Heck