Zobrazeno 1 - 10
of 15 502
pro vyhledávání: '"Regioselective"'
Publikováno v:
SynOpen, Vol 08, Iss 04, Pp 223-231 (2024)
Externí odkaz:
https://doaj.org/article/ebfe13151e8740cf8f8b5d3f4d33172b
Autor:
Severin Mairinger, Matthias Jackwerth, Ondřej Soukup, Matthias Blaickner, Clemens Decristoforo, Lukas Nics, Jens Pahnke, Marcus Hacker, Markus Zeitlinger, Oliver Langer
Publikováno v:
EJNMMI Radiopharmacy and Chemistry, Vol 9, Iss 1, Pp 1-13 (2024)
Abstract Background 6-Bromo-7-[11C]methylpurine ([11C]BMP) is a radiotracer for positron emission tomography (PET) to measure multidrug resistance-associated protein 1 (MRP1) transport activity in different tissues. Previously reported radiosyntheses
Externí odkaz:
https://doaj.org/article/c48cb573bf5448948f7a081af7f99130
Akademický článek
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Autor:
Hannah S. Wootton, Gavin J. Miller
Publikováno v:
Molbank, Vol 2024, Iss 3, p M1847 (2024)
Methyl and benzyl (ethyl 3,4-di-O-benzyl-2-O-benzoyl-1-thio-β-D-glucopyranosyl)uronate were synthesised from a protected thioglycoside in three steps. A regioselective ring opening of the benzylidene acetal with BH3.THF generated C6-OH material, whi
Externí odkaz:
https://doaj.org/article/c155d7cc4fa24c318a9711b8170434f5
Publikováno v:
Beilstein Journal of Organic Chemistry, Vol 20, Iss 1, Pp 173-180 (2024)
The synthesis of gram quantities of the TF antigen (β-ᴅ-Gal-(1→3)-α-ᴅ-GalNAc) and its 3’-sulfated analogue with a TEG-N3 spacer attached is described. The synthesis of the TF antigen comprises seven steps, from a known N-Troc-protected gala
Externí odkaz:
https://doaj.org/article/abf7d1f501254d23a0fdbfa06f966809
Publikováno v:
Molecules, Vol 29, Iss 23, p 5710 (2024)
The development of efficient synthetic procedures to access fused N, O-heterocyclic skeletons has been a pivotal research topic in organic synthesis for several years. Owing to the applications of N, O-fused heterocycles in organic synthesis, materia
Externí odkaz:
https://doaj.org/article/4695c7d31fb04b8eaa0c4146c8a9f3f3
Autor:
Karen-Pacelye Mengue Me Ndong, Mina Hariri, Gabin Mwande-Maguene, Jacques Lebibi, Fatemeh Darvish, Christine Safi, Kouceila Abdelli, Adam Daïch, Claire Negrell, Rodolphe Sonnier, Loic Dumazert, Abdou Rachid Issaka Ibrahim, Ilagouma Amadou Tidjani, David Virieux, Tahar Ayad, Jean-Luc Pirat
Publikováno v:
Molecules, Vol 29, Iss 21, p 5104 (2024)
C-H activation is a powerful strategy for forming C-C bonds without the need for prefunctionalization. In this paper, we present a general, direct, and regioselective palladium-catalyzed functionalization of a phosphorus heterocycle, 2-phenyl-1H-isop
Externí odkaz:
https://doaj.org/article/9aa21633598d44909ab4e4ff3fac45ec
Publikováno v:
Advanced Science, Vol 11, Iss 17, Pp n/a-n/a (2024)
Abstract An unprecedented silver‐mediated intramolecular oxy‐argentation of 3‐amidoaryne precursors that quickly generates a heteroarylsilver species is developed. AgF acts as both a stoichiometric fluoride source and a reagent for the formatio
Externí odkaz:
https://doaj.org/article/82fc95ca423141978606177786ff7c28
Publikováno v:
Molecules, Vol 29, Iss 13, p 3227 (2024)
Heterocyclic aryl selenides have recently attracted considerable research interest owing to their applications in biological and pharmaceutical fields. Herein, we describe a simple and general synthesis of 3-selanylindoles via a novel regioselective
Externí odkaz:
https://doaj.org/article/832a885c82e541c5bff92121f637f8ba
Publikováno v:
SynOpen, Vol 07, Iss 03, Pp 322-352 (2023)
Externí odkaz:
https://doaj.org/article/723e56ec51c94b8e9185eb328b225303