The pictet-spengler reaction updates its habits

A Calcaterra, L Mangiardi, G Delle Monache… - Molecules, 2020 - mdpi.com
The Pictet-Spengler reaction (PS) is one of the most direct, efficient, and variable synthetic
method for the construction of privileged pharmacophores such as tetrahydro-isoquinolines …

Diversity-oriented synthesis of medicinally important 1, 2, 3, 4-tetrahydroisoquinoline-3-carboxylic acid (Tic) derivatives and higher analogs

S Kotha, D Deodhar, P Khedkar - Organic & Biomolecular Chemistry, 2014 - pubs.rsc.org
1, 2, 3, 4-Tetrahydroisoquinoline-3-carboxylic acid (Tic) is a constrained analog of
phenylalanine (Phe). The Tic unit has been identified as a core structural element present in …

Rotamers or diastereomers? An overlooked NMR solution

DX Hu, P Grice, SV Ley - The Journal of organic chemistry, 2012 - ACS Publications
The existence of rotamers in a solution of analyte complicates 1H NMR analysis, especially
when the presence of diastereomers is also possible. Organic chemists have often …

Sulfated pentagalloylglucoside is a potent, allosteric, and selective inhibitor of factor XIa

RA Al-Horani, P Ponnusamy, AY Mehta… - Journal of medicinal …, 2013 - ACS Publications
Inhibition of factor XIa (FXIa) is a novel paradigm for developing anticoagulants without
major bleeding consequences. We present the discovery of sulfated pentagalloylglucoside …

β-Glycosylations with 2-Deoxy-2-(2,4-dinitrobenzenesulfonyl)-amino-glucosyl/galactosyl Selenoglycosides: Assembly of Partially N-Acetylated β-(1 → 6) …

D Li, J Wang, X Wang, Z Qiao, L Wang… - The Journal of …, 2023 - ACS Publications
An efficient protocol has been established for β-glycosylations with 2-deoxy-2-(2, 4-
dinitrobenzenesulfonyl) amino (2dDNsNH)-glucopyranosyl/galactopyranosyl …

Identification of a new zinc binding chemotype by fragment screening

PK Chrysanthopoulos, P Mujumdar… - Journal of Medicinal …, 2017 - ACS Publications
The discovery of a new zinc binding chemotype from screening a nonbiased fragment library
is reported. Using the orthogonal fragment screening methods of native state mass …

Application of 2D EXSY and qNMR Spectroscopy for Diastereomeric Excess Determination Following Chiral Resolution of β‐Lactams

EC McLoughlin, JE O'Brien, C Trujillo… - …, 2023 - Wiley Online Library
Trans‐β‐lactam isomers have garnered much attention as anti‐cancer microtubule targeting
agents. Currently available synthetic methods are available for the preparation of …

[HTML][HTML] Synthesis of depsipeptides via isocyanide-based consecutive bargellini–passerini multicomponent reactions

H Farhid, MM Rostami, A Shaabani, B Notash - SynOpen, 2021 - thieme-connect.com
An efficient and straightforward approach has been established for the preparation of a new
class of depsipeptide structures via isocyanide-based consecutive Bargellini–Passerini …

The Reactivity of Multidentate Schiff Base Ligands Derived from Bi‐and Terphenyl Polyamines towards M (II)(M= Ni, Cu, Zn, Cd) and M (III)(M= Co, Y, Lu)

KT Hylland, I Gerz, DS Wragg… - European Journal of …, 2021 - Wiley Online Library
Multidentate Schiff base ligands derived from a selection of biphenyl‐and terphenyl
polyamines were synthesized, and their reactivity towards divalent (Ni, Cu, Zn, Cd) and …

First Synthesis of (R)‐ and (S)‐1,2,3,4‐Tetrahydroisoquinoline‐3‐phosphonic Acid (TicP) Using a Pictet–Spengler Reaction

JL Viveros‐Ceballos, M Ordóñez… - European Journal of …, 2016 - Wiley Online Library
We report here a practical and efficient synthesis of diethyl 1, 2, 3, 4‐tetrahydroisoquinoline‐
3‐phosphonate derivatives. The target compounds were prepared in good yield using a …