Heteroatom-based diradical (oid) s

A Hinz, J Bresien, F Breher, A Schulz - Chemical Reviews, 2023 - ACS Publications
Heteroatom-centered diradical (oid) s have been in the focus of molecular main group
chemistry for nearly 30 years. During this time, the diradical concept has evolved and the …

Well-defined palladium (II)–NHC precatalysts for cross-coupling reactions of amides and esters by selective N–C/O–C cleavage

S Shi, SP Nolan, M Szostak - Accounts of Chemical Research, 2018 - ACS Publications
Conspectus Transition-metal-catalyzed cross-coupling reactions represent a most powerful
tool for the rapid construction of C–C and C–X bonds available to synthetic chemists …

Amide activation: an emerging tool for chemoselective synthesis

D Kaiser, A Bauer, M Lemmerer… - Chemical Society Reviews, 2018 - pubs.rsc.org
It is textbook knowledge that carboxamides benefit from increased stabilisation of the
electrophilic carbonyl carbon when compared to other carbonyl and carboxyl derivatives …

Twisted amides: from obscurity to broadly useful transition‐metal‐catalyzed reactions by N− C amide bond activation

C Liu, M Szostak - Chemistry–A European Journal, 2017 - Wiley Online Library
The concept of using amide bond distortion to modulate amidic resonance has been known
for more than 75 years. Two classic twisted amides (bridged lactams) ingeniously designed …

Catalytic, asymmetric difluorination of alkenes to generate difluoromethylated stereocenters

SM Banik, JW Medley, EN Jacobsen - Science, 2016 - science.org
Difluoromethyl groups possess specific steric and electronic properties that invite their use
as chemically inert surrogates of alcohols, thiols, and other polar functional groups important …

Cross-coupling reactions using samarium (II) iodide

M Szostak, NJ Fazakerley, D Parmar… - Chemical …, 2014 - ACS Publications
Since its introduction to organic synthesis in 1977 by Kagan, 1, 2 samarium (II) iodide (SmI2,
Kagan's reagent) has gained the status of one of the most versatile single-electron transfer …

Direct synthesis of enamides via electrophilic activation of amides

P Spieß, M Berger, D Kaiser… - Journal of the American …, 2021 - ACS Publications
A novel, one-step N-dehydrogenation of amides to enamides is reported. This reaction
employs the unlikely combination of LiHMDS and triflic anhydride, which serves as both the …

Efficient and selective hydrogenation of amides to alcohols and amines using a well-defined manganese–PNN pincer complex

V Papa, JR Cabrero-Antonino, E Alberico… - Chemical …, 2017 - pubs.rsc.org
Novel well-defined NNP and PNP manganese pincer complexes have been synthetized and
fully characterized. The catalyst Mn-2 containing an imidazolyaminolphosphino ligand …

Chemoselective reduction of carboxamides

A Volkov, F Tinnis, T Slagbrand, P Trillo… - Chemical Society …, 2016 - pubs.rsc.org
The reduction of amides gives access to a wide variety of important compounds such as
amines, imines, enamines, nitriles, aldehydes and alcohols. The chemoselective …

Catalytic Enantioselective Intramolecular Oxa-Michael Reaction to α, β-Unsaturated Esters and Amides

G Su, M Formica, K Yamazaki, TA Hamlin… - Journal of the …, 2023 - ACS Publications
A bifunctional iminophosphorane (BIMP)-catalyzed, enantioselective intramolecular oxa-
Michael reaction of alcohols to tethered, low electrophilicity Michael acceptors is described …