BF3·OEt2-Mediated Highly Regioselective SN2-Type Ring-Opening of N-Activated Aziridines and N-Activated Azetidines by Tetraalkylammonium Halides

MK Ghorai, A Kumar, DP Tiwari - The Journal of organic chemistry, 2010 - ACS Publications
A highly regioselective Lewis acid-mediated SN2-type ring-opening of N-sulfonylaziridines
and azetidines with tetraalkylammonium halides in CH2Cl2 solution to afford 1, 2-and 1, 3 …

Recent advances in stereoselective synthesis and application of β-amino acids

BE Sleebs, TT Van Nguyen… - Organic Preparations and …, 2009 - Taylor & Francis
Introduction β-Amino acids might be regarded as the building blocks that nature overlooked.
Although seldom used in nature, scientists have recognized the importance of β-amino acids …

Platinum-catalyzed direct amination of allylic alcohols with aqueous ammonia: selective synthesis of primary allylamines

K Das, R Shibuya, Y Nakahara… - Angewandte …, 2012 - kyushu-u.elsevierpure.com
Direct amination of unactivated allylic alcohols with aqueous ammonia was catalyzed by a
Pt/phosphine complex to give the corresponding allylamines along with water as the sole by …

Substrate-directable Heck reactions with arenediazonium salts. The regio-and stereoselective arylation of allylamine derivatives and applications in the synthesis of …

P Prediger, LF Barbosa, Y Genisson… - The Journal of organic …, 2011 - ACS Publications
The palladium-catalyzed, substrate-directable Heck–Matsuda reaction of allylamine
derivatives with arenediazonium salts is reported. The reaction proceeds under mild …

Enantioselective 1,2-Carboamination of 1,3-Dienes with N-Hydroxyphthalimide (NHP) Esters Enabled by a Photoinduced Pd Catalysis

ZL Liu, JL Yan, K Chen, HY Xiang, H Yang - Organic Letters, 2024 - ACS Publications
Herein, a photoinduced, Pd-catalyzed direct 1, 2-carboamination of conjugated 1, 3-dienes
has been successfully achieved. Sequential regioselective C–C bond and enantioselective …

Disulfonimide-Catalyzed Asymmetric Synthesis of β3-Amino Esters Directly from N-Boc-Amino Sulfones

Q Wang, M Leutzsch, M van Gemmeren… - Journal of the American …, 2013 - ACS Publications
An asymmetric Mannich reaction of silyl ketene acetals with N-Boc-amino sulfones has been
developed. A chiral disulfonimide efficiently catalyzes both the in situ generation of the …

Cinchona alkaloid amide catalyzed enantioselective formal [2+ 2] cycloadditions of allenoates and imines: Synthesis of 2, 4‐disubstituted azetidines

JB Denis, G Masson, P Retailleau, J Zhu - Angewandte Chemie, 2011 - infona.pl
Einfach gut: Die durch das Chinidinamid 1 katalysierte [2+ 2]‐Cycloaddition von N‐
Sulfonyliminen 2 und Alkyl‐2, 3‐butadienoaten 3 lieferte die R‐konfigurierten Azetidine 4 in …

Syntheses of chiral β-and γ-amino ethers, morpholines, and their homologues via nucleophilic ring-opening of chiral activated aziridines and azetidines

MK Ghorai, D Shukla… - The Journal of Organic …, 2012 - ACS Publications
Lewis acid catalyzed quaternary ammonium salt mediated highly regioselective ring-
opening of chiral activated aziridines and azetidines with alcohols to nonracemic β-and γ …

Lewis acid catalyzed highly stereoselective domino-ring-opening cyclization of activated aziridines with enolates: synthesis of functionalized chiral γ-lactams

MK Ghorai, DP Tiwari - The Journal of Organic Chemistry, 2010 - ACS Publications
A highly enantio-and diastereoselective Lewis acid catalyzed SN2-type ring opening
followed by cyclization of aziridines with active methylene carbon nucleophiles to …

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 …