The use of NMR spectroscopy to study tautomerism

RM Claramunt, C López, MD Santa María… - Progress in Nuclear …, 2006 - Elsevier
This review is a summary of the enormous literature describing applications of NMR
spectroscopy to tautomerism. Almost all the publications dealing with tautomerism, since the …

Prototropic tautomerism of heterocycles: heteroaromatic tautomerism—general overview and methodology

J Elguero, AR Katritzky, OV Denisko - Advances in Heterocyclic Chemistry, 2000 - Elsevier
In 1963 one of us, together with JM Lagowski, published in Volumes 1 and 2 of Advances in
Heterocyclic Chemistry four chapters [63AHC (1), p. 312, p. 341; 63AHC (2), p. 3, p. 28] …

Tautomerism of heterocycles: five-membered rings with two or more heteroatoms

VI Minkin, AD Garnovskii, J Elguero… - Advances in …, 2000 - books.google.com
Tautomerism of heterocycles: five-membered rings with two or more heteroatoms Page 168
ADVANCES IN HETEROCYCLIC CHEMISTRY, VOL. 76 I. II. The Tautomerism of …

Regio‐and Enantioselective Synthesis of N‐Substituted Pyrazoles by Rhodium‐Catalyzed Asymmetric Addition to Allenes

AM Haydl, K Xu, B Breit - Angewandte Chemie, 2015 - Wiley Online Library
The rhodium‐catalyzed asymmetric N‐selective coupling of pyrazole derivatives with
terminal allenes gives access to enantioenriched secondary and tertiary allylic pyrazoles …

Revisiting the structure and chemistry of 3 (5)-substituted pyrazoles

A Secrieru, PM O'Neill, MLS Cristiano - Molecules, 2019 - mdpi.com
Pyrazoles are known as versatile scaffolds in organic synthesis and medicinal chemistry,
often used as starting materials for the preparation of more complex heterocyclic systems …

Biological applications of near infrared fluorescence dye probes in monitoring Alzheimer's disease

YI Gyasi, YP Pang, XR Li, JX Gu, XJ Cheng… - European Journal of …, 2020 - Elsevier
Alzheimer's disease (AD) is characterized by progressive decrease in cognitive abilities,
language impairment and irreversible memory loss. Amyloid-β (Aβ) and tau deposits are …

A bifunctional curcumin analogue for two-photon imaging and inhibiting crosslinking of amyloid beta in Alzheimer's disease

X Zhang, Y Tian, P Yuan, Y Li, MA Yaseen… - Chemical …, 2014 - pubs.rsc.org
In this report, we designed a highly bright bifunctional curcumin analogue CRANAD-28. In
vivo two-photon imaging suggested that CRANAD-28 could penetrate the blood brain …

Metal-involved theranostics: An emerging strategy for fighting Alzheimer's disease

X Wang, X Wang, Z Guo - Coordination Chemistry Reviews, 2018 - Elsevier
Alzheimer's disease (AD) is the most prevalent illness among the neurodegenerative
disorders that are progressive, irreversible and incurable so far. Although the etiological …

Cooperative effects in hydrogen bonding

A Karpfen - Advances in chemical physics, 2002 - Wiley Online Library
The aim of this chapter is to survey recent quantum chemical calculations that attempt to
track and to monitor the gradual differences between isolated hydrogen bonds, hydrogen …

Tautomerism and structure of azoles: nuclear magnetic resonance spectroscopy

LI Larina - Advances in heterocyclic chemistry, 2018 - Elsevier
This review provides comprehensive data (from the author's work and the literature) on
tautomerism of pyrazoles, imidazoles, 1, 2, 3-and 1, 2, 4-triazoles, tetrazoles …