Results 31 to 40 of about 7,156 (173)
An efficient approach for the synthesis of biologically interesting fused tetracyclic isoquinolines in high yields and with a broad substrate scope has been developed. The strategy features an AgNO3 catalyzed ‘one-pot’ cascade process
Jian Li +5 more
doaj +1 more source
A novel approach to oxoisoaporphine alkaloids via regioselective metalation of alkoxy isoquinolines
Oxoisoaporphine alkaloids are conveniently prepared via direct ring metalation of alkoxy-substituted isoquinolines at C-1, followed by reaction with iodine.
Benedikt C. Melzer, Franz Bracher
doaj +1 more source
2-Methylsulfanylbenzo[f]isoquinoline [PDF]
S-Methylation of a 4-(naphth-2-yl)-β-thiolactam gives an intermediate 4-(naphth-2-yl) substituted 1-azetine which undergoes a [2+2] ring-opening followed by electrocyclic ring closure of the resulting 2-azadiene to give a benzo[f ...
Khan, Musharraf +6 more
core +1 more source
Synthesis and Contractile Activity of Substituted 1,2,3,4-Tetrahydroisoquinolines
A series of different 1-monosubstituted and 1,1-disubstituted 1,2,3,4-tetrahydro-isoquinolines was synthesized in high yields from different ketoamides.
Iliyana Stefanova +4 more
doaj +1 more source
1-(Isoquinolin-1-yl)naphthalen-2-ol (QUINOL) is an atropisomeric heterobiaryl that serves as a platform for the synthesis of other biaryl ligands useful in asymmetric catalysis. Here, the authors report a straightforward oxidative cross-coupling reaction
Peng-Ying Jiang +4 more
doaj +1 more source
The successful extension of the nickel‐catalyzed asymmetric coupling of polarized 1,3‐dienes with aldehydes to an intramolecular setting opens an efficient new entry into hydroxylated N‐heterocyclic compounds, most notably valuable tetrahydroisoquinolines.
Thilo Bender +3 more
wiley +2 more sources
The three-component reaction of isoquinolines, dialkyl acetylenedicarboxylates, and 5,6-unsubstituted 1,4-dihydropyridines in acetonitrile at room temperature afforded functionalized isoquinolino[1,2-f][1,6]naphthyridines in good yields and with high ...
Xiu-Yu Chen +4 more
doaj +1 more source
Synthesis and Anti-HIV Activity of a Novel Series of Isoquinoline-Based CXCR4 Antagonists
An expansion of the structure–activity relationship study of CXCR4 antagonists led to the synthesis of a series of isoquinolines, bearing a tetrahydroquinoline or a 3-methylpyridinyl moiety as head group.
Mastaneh Safarnejad Shad +6 more
doaj +1 more source
A mild and efficient strategy for the synthesis of tricyclic 1,2,4-oxadiazolines-fused tetrahydro-isoquinolines derivatives via [3 + 2] cycloaddition reaction is reported.
Kaikai Wang +6 more
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Deoxygenative C2-heteroarylation of quinoline N-oxides: facile access to α-triazolylquinolines
A metal- and additive-free, highly efficient, step-economical deoxygenative C2-heteroarylation of quinolines and isoquinolines was achieved from readily available N-oxides and N-sulfonyl-1,2,3-triazoles. A variety of α-triazolylquinoline derivatives were
Geetanjali S. Sontakke +2 more
doaj +1 more source

