Unprecedented Water Effect as a Key Element in Salicyl-Glycine Schiff Base Synthesis

Autor: Karolina Bakalorz, Łukasz Przypis, Mateusz Michał Tomczyk, Maria Książek, Ryszard Grzesik, Nikodem Kuźnik

Publikováno v: Molecules, Vol 25, Iss 5, p 1257 (2020)

Salens, as chelating, double Schiff base ligands, are an important group utilized in transition metal catalysis. They have been used to build interesting functional metal-organic frameworks (MOFs). However, salens interacting with amino acids have al

Externí odkaz: https://doaj.org/article/034fef9e1bbf425ab78e4ace70d375b1

Surprising Solid-State ESIPT Emission from Apparently Ordinary Salicyliden Glycinates Schiff Bases

Autor: Mateusz M. Tomczyk, Łukasz Przypis, Tomohiro Shiraki, Joachim Kusz, Maria Książek, Dawid Janas, Nikodem Kuźnik

Publikováno v: International Journal of Molecular Sciences; Volume 23; Issue 23; Pages: 14955

Excited-State Intramolecular Photon Transfer (ESIPT) is known for the geometry-related phenolic and imine groups. The Schiff bases formed upon condensation of salicyl aldehyde and glycine led to the formation of ESIPT models. A series of alkali metal

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fcada5eadfce88a2e59b903a2d2c46be
https://pubmed.ncbi.nlm.nih.gov/36499284

Carbazole modified oligonucleotides: synthesis, hybridization studies and fluorescence properties

Autor: Łukasz Przypis, Krzysztof Walczak, Jesper Wengel, Per T. Jørgensen, Alaa S. Gouda

Publikováno v: Gouda, A S, Przypis, Ł, Walczak, K, Jørgensen, P T & Wengel, J 2020, ' Carbazole modified oligonucleotides : Synthesis, hybridization studies and fluorescence properties ', Organic and Biomolecular Chemistry, vol. 18, no. 35, pp. 6935-6948 . https://doi.org/10.1039/d0ob01553a

Synthesis of the novel thiophenyl carbazole phosphoramidite DNA building block 5 was accomplished in four steps using a Suzuki-Miyaura cross-coupling reaction from the core carbazole and it was seamlessly accommodated into a 9-mer DNA-based oligonucl

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::42c2b9268ca0074a461a4a25830a1e77
https://doi.org/10.1039/d0ob01553a

A step towards gadolinium-free bioresponsive MRI contrast agent

Autor: Marzena Wyskocka-Gajda, Łukasz Przypis, Anna Kuźnik, Fuminori Sugihara, Nikodem Kuźnik, Monika Olesiejuk, Kazuya Kikuchi, Tomasz Krawczyk, Krzysztof Nawara, Masafumi Minoshima

Publikováno v: European journal of medicinal chemistry. 211

The last 30 years of gadolinium-based “static” MRI contrast agents motivated to investigate bioresponsive agents with endogenous paramagnets. Iron(III) chelated by N,O-aminophenol skeleton of high versatility, and tuning potential was studied. Th

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4f9abb3290bba614b6a475b7c0ee088d
https://pubmed.ncbi.nlm.nih.gov/33348236

Versatile synthesis of 2′-amino-2′-deoxyuridine derivatives with a 2′-amino group carrying linkers possessing a reactive terminal functionality

Autor: Mateusz D. Tomczyk, Krzysztof Walczak, Łukasz Przypis, Andrzej Gondela

Publikováno v: Tetrahedron. 72:5626-5632

2,2′-Anhydrouridine has been successfully converted into the appropriate 2′-amino-2′-deoxyuridine derivatives in a reaction with isothiocyanates obtained from amino acids or α,ω-diaminoalkanes. The initially formed oxazolidine-2-thione ring i

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2962c1af5ebe01c19d72a5f58b29bad1
https://doi.org/10.1016/j.tet.2016.07.061