Zobrazeno 1 - 10
of 519
pro vyhledávání: '"Wanbin Zhang"'
Publikováno v:
Nature Communications, Vol 15, Iss 1, Pp 1-10 (2024)
Abstract Chiral tertiary alcohols are an important structural motif, however, the general and efficient methodologies for their synthesis are less reported. Herein, we report a Ni(ІІ)-catalyzed asymmetric alkenylation and arylation of aryl ketones
Externí odkaz:
https://doaj.org/article/6a55cfe680184d84b3c811d4c9ff33f4
Publikováno v:
Nature Communications, Vol 15, Iss 1, Pp 1-10 (2024)
Abstract Transition metal-catalyzed asymmetric hydrogenation is one of the most efficient methods for the preparation of chiral α-substituted propionic acids. However, research on this method, employing cleaner earth-abundant metal catalysts, is sti
Externí odkaz:
https://doaj.org/article/fa847127765e4995bd56c7cc96a5a470
Publikováno v:
Pharmaceutical Fronts, Vol 06, Iss 03, Pp e237-e251 (2024)
Externí odkaz:
https://doaj.org/article/1893cbd60aba4af19abc960545dfcb59
Publikováno v:
Advanced Science, Vol 11, Iss 23, Pp n/a-n/a (2024)
Abstract Asymmetric sequential hydrogenations of α‐methylene γ‐ or δ‐keto carboxylic acids are established in one‐pot using a bimetallic Ru/Ru catalyst system, achieving the stereodivergent synthesis of all four stereoisomers of both chira
Externí odkaz:
https://doaj.org/article/8394011886f0430984045730453eb20b
Publikováno v:
JACS Au, Vol 3, Iss 11, Pp 2981-2986 (2023)
Externí odkaz:
https://doaj.org/article/20dda67ce50743249ce550671fad7218
Publikováno v:
Precision Chemistry, Vol 1, Iss 3, Pp 146-152 (2023)
Asymmetric hydrogenation of tetrasubstituted alkenes is an important but challenging research topic. Herein, we report an efficient iridium-catalyzed asymmetric hydrogenation of tetrasubstituted α,β-unsaturated ketones for the synthesis of chiral 2
Externí odkaz:
https://doaj.org/article/d25b842e4d37442183bcd89c9953715f
Publikováno v:
Nature Communications, Vol 13, Iss 1, Pp 1-9 (2022)
N,O-acetals are part of many synthetic intermediates and important skeletons of numerous natural products and pharmaceutical drugs. Here the authors show a Cu-catalyzed asymmetric addition of alcohols to β,γ-alkynyl-α-imino esters, providing the c
Externí odkaz:
https://doaj.org/article/b07edf02362841a1b33c19a13ce5dec0
Publikováno v:
Nature Communications, Vol 11, Iss 1, Pp 1-9 (2020)
Chiral α-amino acids find application in the fields of pharmaceutical, biological and synthetic chemistry. Here, the authors report a nickel-catalyzed asymmetric hydrogenation of N-aryl imino esters affording chiral α-aryl glycines in high yields a
Externí odkaz:
https://doaj.org/article/f1244b61e228435dbc80c84960209471
Publikováno v:
Polymer Testing, Vol 104, Iss , Pp 107389- (2021)
Hydroxy-terminated oligomers with narrow molecular weight distribution using as soft segment of polyurethane can significantly increase the modulus, tensile strength, and elongation at break of the polyurethane. Thus, design and synthesis of new hydr
Externí odkaz:
https://doaj.org/article/0df50c2b9a63421eb7ef8b878f2434f8
Autor:
Jian Zhang, Tiantian Chen, Yuanhao Wang, Fengfan Zhou, Zhenfeng Zhang, Ilya D. Gridnev, Wanbin Zhang
Publikováno v:
Natural Sciences, Vol 1, Iss 2, Pp n/a-n/a (2021)
Abstract The efficient construction of γ‐chirogenic amines has been realized via asymmetric hydrogenation of γ‐branched N‐phthaloyl allylamines by using a bisphosphine‐Rh catalyst bearing a large bite angle. The desired products possessing
Externí odkaz:
https://doaj.org/article/55557c7ab94741b8ae4573d3202336e0