Mixed Acylais; Synthesis of Alkylidene Carboxylate Formates
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A green and highly effective protocol for the synthesis of N,N′-alkylidene bisamides using saccharin-N-sulfonic acid
A green and highly effective solvent-free protocol has been reported for the synthesis of N,N′-alkylidene bisamides via the reaction of arylaldehydes (1 eq.) with primary amides (2 eq.) in the presence of saccharin-N-sulfonic acid (SaSA) as a solid-acid catalyst. The mentioned compounds have been obtained in high yields and short reaction times.
متن کاملMixed sandwich thorium complexes incorporating bis(tri-isopropylsilyl)cyclooctatetraenyl and pentamethylcyclopentadienyl ligands: synthesis, structure and reactivity.
The Th(iv) mixed-sandwich halide complexes Th(COT(TIPS2))Cp*X (where COT(TIPS2) = 1,4-{Si(i)Pr(3)}(2)C(8)H(6), X = Cl, I) have been synthesised, and structurally characterised. When Th(COT(TIPS2))Cp*I is reduced in situ in the presence of CO(2), a mixture of dimeric carboxylate and oxalate complexes {Th(COT(TIPS2))Cp*}(2)(μ-κ(1):κ(2)-CO(3)) and {Th(COT(TIPS2))Cp*}(2)(μ-κ(2):κ(2)-C(2)O(4)) are f...
متن کاملSelf-assembly of extended Schiff base amino acetate skeletons, 2-{[(2Z)-(3-hydroxy-1-methyl-2-butenylidene)]amino}phenylpropionate and 2-{[(E)-1-(2-hydroxyaryl)alkylidene]amino}phenylpropionate skeletons incorporating organotin(IV) moieties: Synthesis, spectroscopic characterization, crystal structures, and in vitro cytotoxic activity
The organotin(IV) compounds, [Ph3SnL H]n Æ nCCl4 (1), [Me2SnL (OH2)] (2), [ Bu2SnL ] (3), [Ph2SnL ]n (4), [Ph3SnL H]n (5) and [Ph3SnL H]n (7) (L 1 = 2-{[(2Z)-(3-hydroxy-1-methyl-2-butenylidene)]amino}phenylpropionate and L 3 = 2-{[(E)-1-(2-hydroxyaryl)alkylidene]amino}phenylpropionate), were synthesized by treating the appropriate organotin(IV) chloride(s) with the potassium salt of the ligand ...
متن کاملCarboxylate-Based Molybdenum Alkylidene Catalysts: Synthesis, Characterization, and Use as Initiators for 1,6-Heptadiyne Cyclopolymerizations
The carboxylate species Mo(NR)(CHCMe2R′)(O2CCPh3)2 (R ) various aryl groups or 1-adamantyl; R′ ) Ph or Me) have been synthesized by salt metathesis between Mo(NR)(CHCMe2R′)(OTf)2(DME) (OTf ) trifluoromethanesulfonate; DME ) 1,2-dimethoxyethane) and sodium triphenylacetate. Other carboxylate compounds that have been prepared by this route include Mo(NAr)(CHCMe2Ph)(O2CR′′)2 (Ar ) 2,6-i-Pr2C6H3; R...
متن کاملSynthesis, characterization, cytotoxic activity and crystal structures of tri- and di-organotin(IV) complexes constructed from the b-{[(E)-1-(2- hydroxyaryl)alkylidene]amino}propionate and b-{[(2Z)-(3-hydroxy-1- methyl-2-butenylidene)]amino}propionate skeletons
Reactions of potassium b-{[(E)-1-(2-hydroxyaryl)alkylidene]amino}propionates (LHK-LHK) and potassium b-{[(2Z)-(3-hydroxy1-methyl-2butenylidene)]amino}propionate (LHK) with R3SnCl (R = Ph and Bu) and Bu2SnCl2 yielded complexes of composition Ph3SnL H (1), Ph3SnL H (2), Ph3SnL H (3), Bu3SnL H (4), and {[Bu2Sn(L H)]2O}2 (5) and {[ Bu2Sn(L H)]2O}2 (6), respectively. These complexes have been charac...
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تاریخ انتشار 2017