Zobrazeno 1 - 10
of 30
pro vyhledávání: '"Haisu Zeng"'
Publikováno v:
Chemistry, Vol 4, Iss 2, Pp 393-404 (2022)
A ditopic nitrogen ligand (E)-N′-(pyridin-4-ylmethylene)isonicotinohydrazide (L) containing both divergent pyridyl coordination sites and a hydrogen-bonding hydrazide–hydrazone moiety was synthesized. The Co(NCS)2-mediated self-assembly of L has
Externí odkaz:
https://doaj.org/article/afa3ebebe0f2455ba8bb993feca84ce6
Publikováno v:
iScience, Vol 25, Iss 10, Pp 105119- (2022)
Summary: Synthesis of branched “Markovnikov” alcohols is crucial to various chemical industries. The catalytic reduction of substituted epoxides under mild conditions is a highly attractive method for preparing such alcohols. Classical methods ba
Externí odkaz:
https://doaj.org/article/669ea36484b947c4acc8ae6126325d0a
Publikováno v:
ACS Catalysis. 12:5425-5429
Publikováno v:
RSC Advances; 2023, Vol. 13 Issue 40, p28089-28096, 8p
Publikováno v:
RSC advances. 12(30)
A group 14 compound, diplumbane [Pb(CH2SiMe3)3]2, was synthesized and characterized, and it catalytic application for the efficient hydroboration of ketones and aldehydes was demonstrated for the first time.
Synthesis of branched “Markovnikov” alcohols is crucial to various chemical industries. The catalytic reduction of substituted epoxides under mild conditions is a highly attractive method for preparing such alcohols. Classical methods based on he
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::384a9076005ba06bc95ddf49e22d6ca4
https://doi.org/10.26434/chemrxiv-2022-c9n92
https://doi.org/10.26434/chemrxiv-2022-c9n92
Autor:
Shengping Zheng, Sihan Li, Michelle C. Neary, Haisu Zeng, Zixuan Mo, Guoqi Zhang, Jahvon Johnson
Publikováno v:
Dalton Transactions. 49:2610-2615
Reductive catalysis with earth-abundant metals is currently of increasing importance and shows potential in replacing precious metal catalysis. In this work, we revealed catalytic hydroboration and hydrosilylation of ketones and aldehydes achieved by
Publikováno v:
Organic Chemistry Frontiers. 6:3228-3233
Hydroboration of terminal and internal alkynes has been carried out with extremely high efficiency by using a bench-stable and inexpensive cobalt(II) coordination polymer as a precatalyst in the presence of potassium tert-butoxide (KOtBu). Good to hi
Autor:
Pavel A. Dub, Matthew Devany, Michelle C. Neary, Guoqi Zhang, Haisu Zeng, Jing Wu, Shengping Zheng
Publikováno v:
ACS Catalysis. 9:874-884
This paper reports the first example of dearomatization of ubiquitous terpyridine (tpy) ligands via 2′/6′-, 3′/5′-, or 4′-selective alkylation of the central pyridine ring. The reaction is mediated by the most abundant metal in the Earth’
Autor:
Haisu Zeng, James A. Golen, Jessica Cheng, Guoqi Zhang, Shengping Zheng, Jing Wu, David R. Manke
Publikováno v:
The Journal of Organic Chemistry. 83:9442-9448
Highly effective hydroboration precatalyst is developed based on a cobalt(II)-terpyridine coordination polymer (CP). The hydroboration of ketones, aldehydes, and imines with pinacolborane (HBpin) has been achieved using the recyclable CP catalyst in