Nickel-catalyzed enantioselective 1,2-vinylboration of styrenes
作者:Yang Ye、Jiandong Liu、Bing Xu、Songwei Jiang、Renren Bai、Shijun Li、Tian Xie、Xiang-Yang Ye
DOI:10.1039/d1sc04071e
日期:——
A novel nickel-catalyzed asymmetric 1,2-vinylboration reaction has been developed to afford benzylic alkenylboration products with high yields and excellent enantioselectivities by using a chiral bisoxazoline ligand. Under optimized conditions, a wide variety of chiral 2-boryl-1,1-arylvinylalkanes are efficiently prepared from readily available olefins and vinyl halides in the presence of bis(pinacolato)diboron
Nickel‐Catalyzed, Regio‐ and Enantioselective Benzylic Alkenylation of Olefins with Alkenyl Bromide
作者:Jiandong Liu、Hegui Gong、Shaolin Zhu
DOI:10.1002/anie.202012614
日期:2021.2.19
A NiH‐catalyzed migratory hydroalkenylation reaction of olefins with alkenyl bromides has been developed, affording benzylic alkenylation products with high yields and excellent chemoselectivity. The mild conditions of the reaction preclude olefinic products from undergoing further isomerization or subsequent alkenylation. Catalytic enantioselective hydroalkenylation of styrenes was achieved by using
Synthesis of Bisheteroarylalkanes by Heteroarylboration: Development and Application of a Pyridylidene–Copper Complex
作者:Yuan Huang、M. Kevin Brown
DOI:10.1002/anie.201902238
日期:2019.4.23
The development of pyridylidene-Cu-complexes and their application in Cu/Pd-catalyzed heteroarylboration of alkenylheteroarenes is reported. The significance of 1,1'-heteroarylalkanes as building blocks for drug discovery, as well as the straightforward and modular sequence to prepare the pyridylidene-Cu-complexes, makes this catalyst and it applications attractive for chemical synthesis. Furthermore
USE OF SUBSTITUTE OXO TETRAHYDROQUINOLINE SULFONAMIDES OR SALTS THEREOF FOR RAISING STRESS TOLERANCE OF PLANTS
申请人:BAYER CROPSCIENCE AKTIENGESELLSCHAFT
公开号:US20170027172A1
公开(公告)日:2017-02-02
The invention relates to the use of substituted oxotetrahydroquinolinylsulfonamides or salts thereof
where the radicals in the general formula (I) correspond to the definitions given in the description, for enhancing stress tolerance in plants to abiotic stress, and/or for increasing plant yield.