Catalysts containing the adamantane scaffold

KA Agnew‐Francis, CM Williams - Advanced Synthesis & …, 2016 - Wiley Online Library
The bulky, but symmetrically beautiful, adamantane ring system is now pervasive throughout
physical, medicinal and synthetic chemistry, since it was first discovered in 1924 and coined …

Cyclic ureate tantalum catalyst for preferential hydroaminoalkylation with aliphatic amines: mechanistic insights into substrate controlled reactivity

P Daneshmand, SC Roşca, R Dalhoff… - Journal of the …, 2020 - ACS Publications
The efficient and catalytic amination of unactivated alkenes with simple secondary alkyl
amines is preferentially achieved. A sterically accessible, N, O-chelated cyclic ureate …

Titanium‐Catalyzed Intermolecular Hydroaminoalkylation of Alkenes with Tertiary Amines

D Geik, M Rosien, J Bielefeld… - Angewandte …, 2021 - Wiley Online Library
The first cationic titanium catalyst system for the intermolecular hydroaminoalkylation of
alkenes with various tertiary alkylamines is presented. Corresponding reactions which …

Intermolecular hydroaminoalkylation of alkynes

T Kaper, M Fischer, H Thye, D Geik… - … A European Journal, 2021 - Wiley Online Library
Intermolecular hydroaminoalkylation reactions of alkynes with secondary amines, which
selectively give access to allylic amines with E configuration of the alkene unit, are achieved …

Reactions of Secondary Amines with Bis(η51-pentafulvene)titanium Complexes: Formation of Titanium Amides and Titanaaziridines

M Manssen, N Lauterbach, T Woriescheck… - …, 2017 - ACS Publications
The reactions of bis (η5: η1-pentafulvene) titanium complexes (1) with 19 different
secondary amines (Aa–s) have been investigated. Depending on the substitution pattern of …

Titanium‐Catalyzed Hydroaminoalkylation of Ethylene

M Rosien, I Töben, M Schmidtmann… - … A European Journal, 2020 - Wiley Online Library
The first examples of titanium‐catalyzed hydroaminoalkylation reactions of ethylene with
secondary amines are presented. The reactions can be achieved with various titanium …

A New N‐Trityl‐Substituted Aminopyridinato Titanium Catalyst for Hydroamination and Hydroaminoalkylation Reactions – Unexpected Intramolecular C–H Bond …

LH Lühning, C Brahms, JP Nimoth… - Zeitschrift für …, 2015 - Wiley Online Library
Abstract Sterically demanding 2, 6‐bis (tritylamino) pyridine is used for the synthesis of a
mono (2, 6‐diaminopyridinato) titanium complex that undergoes unexpected intramolecular …

Direct Access to Titanocene Imides via Bis(η51-penta-fulvene)titanium Complexes and Primary Amines

M Manßen, S de Graaff, MF Meyer… - …, 2018 - ACS Publications
The formation of the titanocene imido complexes 2b, 4, and 5 via double N–H bond
activations at ambient temperature of sterically demanding amines (2, 6-diisopropylaniline …

Linear Hydroaminoalkylation Products from Alkyl‐Substituted Alkenes

M Warsitz, S Doye - Chemistry–A European Journal, 2020 - Wiley Online Library
The regioselective conversion of alkyl‐substituted alkenes into linear hydroaminoalkylation
products represents a strongly desirable synthetic transformation. In particular, such …

Intermolecular Hydroaminoalkylation of Propadiene

T Kaper, M Fischer, M Warsitz… - … A European Journal, 2020 - Wiley Online Library
Intermolecular hydroaminoalkylation reactions of propadiene with selected secondary
amines take place in the presence of a 2, 6‐bis (phenylamino) pyridinato titanium catalyst …