Palladium(II) 3-iminophosphine (3IP) complexes: Active precatalysts for the intermolecular hydroamination of 1,2-dienes (allenes) and 1,3-dienes with aliphatic amines under mild conditions
作者:Glenn Kuchenbeiser、Andrew R. Shaffer、Nicholas C. Zingales、John F. Beck、Joseph A.R. Schmidt
DOI:10.1016/j.jorganchem.2010.08.033
日期:2011.1
Accordingly, a series of palladium(II) complexes employing this new ligand have been synthesized and utilized in the intermolecular hydroamination of 3-methyl-1,2-butadiene (1,1-dimethylallene) and 2,3-dimethyl-1,3-butadiene with secondary amines. The complex [(3IPAr)Pd(allyl)]OTf displays excellent catalytic activity in these reactions, selectively producing allylic amine products in high conversion
Cationic [(Iminophosphine)Nickel(Allyl)]<sup>+</sup>Complexes as the First Example of Nickel Catalysts for Direct Hydroamination of Allenes
作者:Hosein Tafazolian、Joseph A. R. Schmidt
DOI:10.1002/chem.201605611
日期:2017.1.31
The first example of nickel‐catalyzed hydroamination of allenes is reported. The new cationic [(3‐iminophosphine)nickel(allyl)]+ catalysts have been fully characterized and act regioselectively in the catalytic hydroamination of allenes with secondary amines at room temperature.
Reactions of Tertiary Allylic Amines and Dichlorocarbenes
作者:Meili Wang、Fenfen Xiao、Yinjuan Bai、Xiangdong Hu
DOI:10.1080/00397911.2015.1075218
日期:2015.10.2
Abstract In this article, a study on reactions of tertiary allylic amines and dichlorocarbenes had been described. Tertiary allylic amines could result from an interesting de-N-allylation/formylation reaction under the treatment of dichlorocarbenes. Notably, amines containing steric substituents or electron-deficient aromatic substituents on the nitrogen will go through cyclopropanations of the carbon–carbon
A cationic (CAAC)gold(I) complex promotes the addition of all types of nontertiary amines to a variety of allenes, affording allylic amines in good to excellent yields; the amino fragment always adds to the less substituted terminus of the CCC skeleton.
GOLD CATALYZED HYDROAMINATION OF ALKYNES AND ALLENES
申请人:Bertrand Guy
公开号:US20110166349A1
公开(公告)日:2011-07-07
Methods are provided for the catalytic hydroamination of compounds having an alkyne or allene functional group, in which the compound is contacted with ammonia or an amine in the presence of a catalytic amount of a gold complex under conditions sufficient for hydroamination to occur.