2 article(s) from Laali, Kenneth K
- Full Research Paper
- Published 12 Mar 2019
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Scheme 1: Representative examples of tris(hetero/aryl)methanes, molecular hybrids and bis(indolyl)methanes wi...
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Scheme 2: Previous synthetic approaches for the synthesis of triarylmethane analogues in comparison to the pr...
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Scheme 3: Synthesis of the starting N-alkylindoles 1{4–10}.
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Scheme 4: General procedure for the synthesis of the starting quinoline-/quinolone aldehydes 6{1–7}.
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Scheme 5: Chemset of coumarins 7{1–4} for elaboration in the MCR experiments.
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Scheme 6: Exploratory reaction leading to isolation of products 8{1,1,1} and 9{1,1,1}.
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Figure 1: Pseudo-three-component synthesis of bisindole triads 8 employing quinoline-/quinolone-CHO 6{1–6}, c...
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Scheme 7: Chemset of further aldehydes 6{8–10} for elaboration in the MCR experiments.
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Figure 2: Three-component synthesis of tris(heteroaryl)methane triads 9. aThis product was obtained as an ins...
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Figure 3: Thermal ellipsoid plot (40% probability level) of the tris(heteroaryl)methane triad 9{4,7,1}.
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Figure 4: DFT-optimized structure of 9{4,7,1} triad.
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Scheme 8: Synthesis of crowed (Het12Het2/Ar2)C+PF6− salts 10.
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Figure 5: 1D- and 2D-based NMR assignments for methylium-PF6 salt 10{4,4,8}.
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Figure 6: 1D- and 2D-based NMR assignments for methylium-PF6 salt 10{4,4,11}.
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Figure 7: Optimized geometry of methylium-PF6 salts 10{4,4,8}.
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Figure 8: Optimized geometry of methylium-PF6 salt 10{4,4,11}.
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- Full Research Paper
- Published 16 Sep 2015
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Scheme 1: Reaction of benzyl allenoate (1) with TMSBr with and without Selectfluor (E/Z designations, as illu...
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Scheme 2: Reaction of benzyl allenoate (1) with TMSBr with and without Selectfluor in IL solvents (E/Z design...
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Scheme 3: Reaction of benzyl allenoate (1) with TMSI and TMSCl, with and without Selectfluor (E/Z designation...
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Scheme 4: Reaction of benzyl allenoate (1) with NH4SCN/Selectfluor in different solvents (E/Z designations, a...
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Figure 1: Allene esters synthesized for this study.
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Scheme 5: Reaction of ethyl allenoate (2) with TMSX/Selectfluor and NH4SCN/Selectfluor (E/Z designations, as ...
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Scheme 6: Reaction of ethyl allenoate 3 with TMSX/Selectfluor and NH4SCN/Selectfluor (E/Z designations, as il...
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Scheme 7: Reaction of benzyl allenoate 4 with TMSX (X = Br, and Cl)/Selectfluor and NH4SCN/Selectfluor (E/Z d...
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Scheme 8: Reaction of ethyl allenoate 5 with TMSI/Selecfluor in DMF and MeCN as the solvents (E/Z designation...
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Scheme 9: Reaction of benzyl allenoate 6 with NH4SCN in presence and absence of Selectfluor.
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Scheme 10: Influence of allenoate structure.
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