Heteroatom–heteroatom bond formation in natural product biosynthesis

AJ Waldman, TL Ng, P Wang, EP Balskus - Chemical Reviews, 2017 - ACS Publications
Natural products that contain functional groups with heteroatom-heteroatom linkages (X–X,
where X= N, O, S, and P) are a small yet intriguing group of metabolites. The reactivity and …

[HTML][HTML] Small hybrid heteroaromatics: Resourceful biological tools in cancer research

V Abbot, P Sharma, S Dhiman, MN Noolvi, HM Patel… - RSC …, 2017 - pubs.rsc.org
Nowadays, hybrid drugs containing two or more covalently linked known potential
pharmacophores are designed to simultaneously modulate multiple targets of multifactorial …

Trichloroisocyanuric acid promoted cascade cyclization/trifluoromethylation of allylic oximes: Synthesis of trifluoromethylated isoxazolines

W Zhang, Y Su, KH Wang, L Wu, B Chang, Y Shi… - Organic …, 2017 - ACS Publications
Cheap and commercially available trichloroisocyanuric acid has been used to promote
trifluoromethylation by using TMSCF3 as the trifluoromethyl source. The method provides a …

[HTML][HTML] A DFT computational study of the molecular mechanism of [3 + 2] cycloaddition reactions between nitroethene and benzonitrile N-oxides

R Jasiński, E Jasińska, E Dresler - Journal of molecular modeling, 2017 - Springer
DFT calculations were performed to shed light on the molecular mechanism of [3+ 2]
cycloadditions of simple conjugated nitroalkenes to benzonitrile N-oxides. In particular, it …

The Isoxazole Ring and Its N‐Oxide: A Privileged Core Structure in Neuropsychiatric Therapeutics

GN Pairas, F Perperopoulou, PG Tsoungas… - …, 2017 - Wiley Online Library
Mental disorders are neuropsychiatric conditions that are marked by unusual or irregular
thinking, feelings, or behavior, and lead to distress and/or impaired functions. Major …

An Efficient One–pot Procedure for the Direct Preparation of 4, 5‐Dihydroisoxazoles from Amides

T Slagbrand, G Kervefors, F Tinnis… - Advanced Synthesis & …, 2017 - Wiley Online Library
Abstract A Mo (CO) 6 (molybdenumhexacarbonyl) catalyzed reductive functionalization of
amides to afford 5‐amino substituted 4, 5‐dihydroisoxazoles is presented. The reduction of …

Design, synthesis and cytotoxic activities of scopoletin-isoxazole and scopoletin-pyrazole hybrids

W Shi, J Hu, N Bao, D Li, L Chen, J Sun - Bioorganic & Medicinal Chemistry …, 2017 - Elsevier
Abstract 12 novel scopoletin-isoxazole and scopoletin-pyrazole hybrids were designed,
synthesized and their chemical structures were confirmed by HR-MS, IR, 1 H NMR and 13 C …

Base‐Promoted [3+ 2]‐Annulation of Oxime Esters and Aldehydes for Rapid Isoxazoline Formation

H Huang, F Li, Z Xu, J Cai, X Ji… - Advanced Synthesis & …, 2017 - Wiley Online Library
Abstract A base‐promoted [3+ 2]‐annulation of ketoxime esters and aldehydes is disclosed
for the facile and rapid synthesis of 3, 5‐disubstituted and 3, 4, 5‐trisubstituted isoxazolines …

β-CD/CuI catalyzed regioselective synthesis of iodo substituted 1, 2, 3-triazoles, imidazo [1, 2-a]-pyridines and benzoimidazo [2, 1-b] thiazoles in water and their …

D Dheer, RK Rawal, V Singh, PL Sangwan, P Das… - Tetrahedron, 2017 - Elsevier
An environment benign process has been developed for the regioselective synthesis of 5-
iodo-1, 4-disubstituted-1, 2, 3-triazoles catalyzed by CuI/β-CD in water. Moreover, the …

Versatile approach to heteroarylfuroxan derivatives from oximinofuroxans via a one-pot, nitration/thermolysis/[3+ 2]-cycloaddition cascade

AA Larin, LL Fershtat, IV Ananyev, NN Makhova - Tetrahedron letters, 2017 - Elsevier
A simple, general, and regioselective method has been developed for the synthesis of a
series of heteroarylfuroxans, including isoxazolyl-, isoxazolinyl-and (1, 2, 4-oxadiazolyl) …