41172-57-0Relevant academic research and scientific papers
Method of coupling, and the coupling method using the aromatic group-substituted heterocyclic compound
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Paragraph 0271; 0275-0277; 0303-0305, (2020/09/17)
Provided is an easy method (coupling method) capable of easily synthesizing a compound group in which aromatic molecules and aromatic molecules are coupled, a compound group in which aromatic molecules and alkene molecules are coupled, and the like without producing halogen waste and without the need to use scarce and expensive palladium. A compound (A) shown by general formula (A): Ar-H and a compound (B1) shown by general formula (B1): RaOCO-Ar', a compound (B2) shown by general formula (B2): RbCH=C(Ar")2, or a compound (B3) shown by general formula (B3): RcOCOCH=C(Ar")2 are reacted in the presence of a nickel compound.
Nickel-catalyzed decarboxylative acylation of heteroarenes by sp 2 C-H functionalization
Yang, Ke,Zhang, Cheng,Wang, Peng,Zhang, Yan,Ge, Haibo
supporting information, p. 7241 - 7244 (2014/06/23)
Nickel-catalyzed ligand-free decarboxylative cross-coupling of azole derivatives with α-oxoglyoxylic acids has been developed. This work represents the first example of decarboxylative cross-coupling reactions, in a C-H bond functionalization manner, thro
Nickel-catalyzed decarboxylative arylation of heteroarenes through sp2 C-H functionalization
Yang, Ke,Wang, Peng,Zhang, Cheng,Kadi, Adnan A.,Fun, Hoong-Kun,Zhang, Yan,Lu, Hongjian
supporting information, p. 7586 - 7589 (2015/04/22)
The direct decarboxylative arylation of hetereoarenes with benzoic acids through a nickel-catalyzed sp2 C-H functionalization process was developed. This process provides the first examples of decarboxylative cross-coupling reactions with aroma
C-H alkenylation of azoles with enols and esters by nickel catalysis
Meng, Lingkui,Kamada, Yuko,Muto, Kei,Yamaguchi, Junichiro,Itami, Kenichiro
supporting information, p. 10048 - 10051 (2013/10/01)
Rather u(Ni)que: Two new C-H alkenylation reactions, that is C-H/Ci£O alkenylation and decarbonylative C-H alkenylation, of azoles are uniquely catalyzed by Ni/dcype. These azole alkenylation reactions are successfully applied to the convergent formal synthesis of siphonazoleB.
Decarbonylative C-H coupling of azoles and aryl esters: Unprecedented nickel catalysis and application to the synthesis of muscoride A
Amaike, Kazuma,Muto, Kei,Yamaguchi, Junichiro,Itami, Kenichiro
supporting information; experimental part, p. 13573 - 13576 (2012/10/08)
A nickel-catalyzed decarbonylative C-H biaryl coupling of azoles and aryl esters is described. The newly developed catalytic system does not require the use of expensive metal catalysts or silver- or copper-based stoichiometric oxidants. We have successfully applied this new C-H arylation reaction to a convergent formal synthesis of muscoride A.
Nickel-catalyzed C-H/C-O coupling of azoles with phenol derivatives
Muto, Kei,Yamaguchi, Junichiro,Itami, Kenichiro
supporting information; experimental part, p. 169 - 172 (2012/03/07)
The first nickel-catalyzed C-H bond arylation of azoles with phenol derivatives is described. The new Ni(cod)2/dcype catalytic system is active for the coupling of various phenol derivatives such as esters, carbamates, carbonates, sulfamates, triflates, tosylates, and mesylates. With this C-H/C-O biaryl coupling, we synthesized a series of privileged 2-arylazoles, including biologically active alkaloids. Moreover, we demonstrated the utility of the present reaction for functionalizing estrone and quinine.
Programmable oligomers for minor groove DNA recognition
Doss, Raymond M.,Marques, Michael A.,Foister, Shane,Chenoweth, David M.,Dervan, Peter B.
, p. 9074 - 9079 (2007/10/03)
The four Watson-Crick base pairs of DNA can be distinguished in the minor groove by pairing side-by-side three five-membered aromatic carboxamides, imidazole (Im), pyrrole (Py), and hydroxypyrrole (Hp), four different ways. On the basis of the paradigm of
N-H Insertion reactions of rhodium carbenoids. Part 5: A convenient route to 1,3-azoles
Davies, James R.,Kane, Peter D.,Moody, Christopher J.
, p. 3967 - 3977 (2007/10/03)
Dirhodium(II) carboxylate catalysed reaction of diazocarbonyl compounds 2 in the presence of primary amides 1 results in the formation of α-acylaminoketones 3 (12 examples) by N-H insertion reaction of the intermediate rhodium carbene. The 1,4-dicarbonyl
Note on the Preparation of 5-Methyloxazole
Hoppe, Inga,Schoellkopf, Ulrich
, p. 819 - 820 (2007/10/02)
The title compound 4 was synthesized starting from methyl isocyanoacetate (1).
