3526-43-0Relevant articles and documents
N1[P(OPH)3]4 catalyzed transfer hydrogenation using HCOONH4
Iyer, Suresh,Sattar, Aruna K.
, p. 1721 - 1725 (1998)
Ni[P(OPh)3]4 was found to catalyze the transfer hydrogenation of various organic functional groups using HCOONH4.
An Insight into Transfer Hydrogenation Reactions Catalysed by Iridium(III) Bis-N-heterocyclic Carbenes
García, Nestor,Jaseer,Munarriz, Julen,Sanz Miguel, Pablo J.,Polo, Victor,Iglesias, Manuel,Oro, Luis A.
, p. 4388 - 4395 (2015)
A variety of [M(L)2(L′)2{κC,C′-bis(NHC)}]BF4 complexes (M = Rh or Ir; L = CH3CN or wingtip group; L′ = I- or CF3COO-; NHC=N-heterocyclic carbene) have been tested as pre-catalyst
Hydroboration and reductive amination of ketones and aldehydes with HBpin by a bench stable Pd(ii)-catalyst
Biswas, Bhaskar,Devadkar, Ajitrao Kisan,Gupta, Puneet,Joshi, Mayank,Mahato, Shreya,Panda, Tarun K.,Rawal, Parveen,Roy Choudhury, Angshuman
supporting information, p. 1103 - 1111 (2022/02/11)
A palladium(ii) complex [(κ4-{1,2-C6H4(NCH-C6H4O)2}Pd] (1) supported by a dianionic salen ligand [1,2-C6H4(NCH-C6H4O)2]2- (L) was synthesised and used as a molecular pre-catalyst in the hydroboration of aldehydes and ketones. The molecular structure of Pd(ii) complex 1 was established by single-crystal X-ray diffraction analysis. Complex 1 was tested as a competent pre-catalyst in the hydroboration of aldehydes and ketones with pinacolborane (HBpin) to produce corresponding boronate esters in excellent yields at ambient temperature under solvent-free conditions. Further, the complex 1 proved to be a competent catalyst in the reductive amination of aldehydes with HBpin and primary amines under mild and solvent-free conditions to afford a high yield (up to 97%) of corresponding secondary amines. Both protocols provided high conversion, superior selectivity and broad substrate scope, from electron-withdrawing to electron-donating and heterocyclic substitutions. A computational study based on density functional theory (DFT) revealed a reaction mechanism for Pd-catalysed hydroboration of carbonyl species in the presence of HBpin. The protocols also uncovered the dual role of HBpin in achieving the hydroboration reaction.
Mechanistic Insight into Hydroboration of Imines from Combined Computational and Experimental Studies
Cao, Jia,Gao, Liuzhou,Li, Guoao,Li, Shuhua,Li, Zhenxing,Wang, Guoqiang,Zou, Wentian
supporting information, (2022/02/07)
Boron Lewis acid-catalyzed and catalyst-free hydroboration reactions of imines are attractive due to the mild reaction conditions. In this work, the mechanistic details of the hydroboration reactions of two different kinds of imines with pinacolborane (HB