Novel syntheses of azetidines and azetidinones

A Brandi, S Cicchi, FM Cordero - Chemical Reviews, 2008 - ACS Publications
Four-membered monocyclic aza-heterocycles, 1 despite their indisputable importance as
bioactive compounds and pharmaceutical tools, have received by the chemical community …

Recent strategies used in the synthesis of saturated four-membered heterocycles

KP Malarney, KC Shekhar, VA Schmidt - Organic & Biomolecular …, 2021 - pubs.rsc.org
The importance and prevalance of O-, N-, and S-atom containing saturated four-membered
ring motifs in biologically active molecules and potential therapeutics continues to drive …

Copper-catalyzed asymmetric aminocyanation of arylcyclopropanes for synthesis of γ-amino nitriles

S Yang, L Wang, H Zhang, C Liu, L Zhang… - ACS …, 2018 - ACS Publications
A facile approach for the synthesis of enantiopure γ-amino nitriles by copper-catalyzed
aminocyanation of arylcyclopropanes is disclosed, which undergoes the highly …

A Synthetic Route to Tetrahydro-1H-azepino[4,3,2-cd]indoles via Ring-Opening Cyclization of Activated Azetidines with 4-Bromoindole: Toward a Vasopressin V2 …

G Goswami, B Singh, IA Wani, A Mal… - The Journal of Organic …, 2024 - ACS Publications
A simple one-pot, two-step strategy for the synthesis of tetrahydro-1 H-azepino [4, 3, 2-cd]
indoles via Lewis acid-catalyzed SN2-type ring opening of activated azetidines with 4 …

Electrochemical radical–radical cross-coupling: direct access to β-amino nitriles from unactivated imines and alkyl nitriles

WM Zeng, ZL Wang, YH He, Z Guan - Green Chemistry, 2022 - pubs.rsc.org
In this article, a direct access to β-amino nitriles from unactivated imines and alkyl nitriles by
electrochemical radical–radical cross-coupling was described for the first time. The use of …

Enantioselective Syntheses of Morpholines and Their Homologues via SN2-Type Ring Opening of Aziridines and Azetidines with Haloalcohols

MK Ghorai, D Shukla, K Das - The Journal of Organic Chemistry, 2009 - ACS Publications
A highly regio-and stereoselective strategy for the syntheses in high yield and
enantioselectivity of a variety of substituted nonracemic morpholines and their homologues …

Cycloaddition of Alkynyl Ketones with N-Tosylimines Catalyzed by Bu3P and DMAP: Synthesis of Highly Functionalized Pyrrolidines and Azetidines

LG Meng, P Cai, Q Guo, S Xue - The Journal of organic chemistry, 2008 - ACS Publications
Cycloadditions of alkynyl ketones with N-tosylimines catalyzed by Lewis bases to synthesize
azetidines and pyrrolidines were systematically described. In the reaction of alkynyl ketones …

Synthesis of chiral α-substituted α-amino acid and amine derivatives through Ni-catalyzed asymmetric hydrogenation

G Liu, X Zhang, H Wang, H Cong, X Zhang… - Chemical …, 2020 - pubs.rsc.org
Highly efficient Ni-catalyzed asymmetric hydrogenation of cyclic N-sulfonyl ketimino esters
was, for the first time, successfully developed, providing various chiral α-monosubstituted α …

Lewis Acid-Mediated Highly Regioselective SN2-Type Ring-Opening of 2-Aryl-N-tosylazetidines and Aziridines by Alcohols

MK Ghorai, K Das, D Shukla - The Journal of Organic Chemistry, 2007 - ACS Publications
Lewis acid-mediated highly regioselective SN2-type ring-opening of 2-aryl-N-tosylazetidines
with alcohols to afford various 1, 3-amino ethers in excellent yields with good enantiomeric …

Lewis Acid-Mediated Unprecedented Ring-Opening Rearrangement of 2-Aryl-N-tosylazetidines to Enantiopure (E)-Allylamines

MK Ghorai, A Kumar, K Das - Organic Letters, 2007 - ACS Publications
A highly efficient strategy for Cu (OTf) 2-mediated ring-opening of 2-aryl-N-tosylazetidines in
polar and coordinating solvents followed by an unprecedented rearrangement to substituted …