60760-06-7Relevant articles and documents
Examination of a Series of Ir and Rh PXL Pincer Complexes as (Pre)catalysts for Aromatic C-H Borylation
Hung, Ming-Uei,Press, Loren P.,Bhuvanesh, Nattamai,Ozerov, Oleg V.
, p. 1004 - 1013 (2021)
This work follows a previously published study of high-turnover aromatic C-H borylation by Ir complexes supported by POCOP-type ligands incorporating-PiPr2 side donors (L1-L3) using HBpin in the presence of olefins. A variety of pincer-supported Ir and Rh
Pyrrolopyrazole derivative, preparation method and medical application thereof
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Paragraph 0090-0091, (2021/02/24)
The invention relates to pyrrolopyrazole derivative, a preparation method and application thereof in medicines. Specifically, the invention relates to a new pyrrolopyrazole derivative as shown in a general formula (I), a preparation method and application of the pyrrolopyrazole derivative or a pharmaceutical composition containing the pyrrolopyrazole derivative as a therapeutic agent, particularlyas a gastric acid secretion inhibitor and potassium-competitive acid blockers (P-CABs) in biological medicines. Specifically, the substituents (R1, R2, R3 and R4) in the general formula (I) are the same as the definitions in the specification.
Continuous Flow Preparation of (Hetero)benzylic Lithiums via Iodine-Lithium Exchange Reaction under Barbier Conditions
Weidmann, Niels,Harenberg, Johannes H.,Knochel, Paul
, p. 5895 - 5899 (2020/08/12)
Herein we report the generation of benzylic lithiums via an iodine-lithium exchange reaction on benzylic iodides performed in continuous flow using tBuLi as the exchange reagent. The resulting benzylic lithium species are trapped in situ by carbonyl electrophiles under Barbier conditions, resulting in benzylic secondary and tertiary alcohols. This flow procedure further allows the generation of highly reactive heterobenzylic lithium compounds, which are difficult to generate under batch conditions. A general scale-up was possible without further optimization.