721929-17-5Relevant academic research and scientific papers
Polysubstituted ethylene compound as well as preparation method and application thereof
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Paragraph 0125-0129; 0210-0214, (2020/12/30)
The invention discloses a polysubstituted ethylene compound as well as a preparation method and application thereof. The invention particularly discloses a preparation method of a polysubstituted ethylene compound as shown in a formula III, which comprises the following step: in an organic solvent, carrying out reaction as shown in the specification on a compound as shown in a formula I and a compound as shown in a formula II in the presence of a palladium catalyst, a phosphine ligand and alkali to obtain the polysubstituted ethylene compound as shown in the formula III. The preparation methodcan be suitable for various types of substrates, and the configuration of double bonds is controllable.
Rhodium-copper-TBAF-catalyzed hydroarylation of alkynes with aryl Trimethoxysilanes
Lin, Baoda,Liu, Miaochang,Ye, Zhishi,Zhang, Qin,Cheng, Jiang
experimental part, p. 1714 - 1716 (2009/07/05)
A rhodium-copper-TBAF-catalyzed hydroarylation of alkynes with aryl trimethoxysilanes is described. The procedure utilizes a catalytic amount of copper(II) acetate, rhodium, PPh3 and TBAF·3H2O under air. Some asymmetric alkynes gave
