Search Results - "Kumar, Kaipenchery A"
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Evaluation of Binding Selectivities of Caged Crown Ligands toward Heavy Metals by Electrospray Ionization/Quadrupole Ion Trap Mass Spectrometry
Published in Analytical chemistry (Washington) (01-06-2000)“…Electrospray ionization (ESI)/quadrupole ion trap mass spectrometry is used to evaluate the heavy metal binding selectivities of five caged crown ethers and…”
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2
Convenient Acylative Dealkylation of Tertiary Amines
Published in Journal of organic chemistry (25-02-2000)Get full text
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3
Computational Studies of Inclusion Phenomena and Synthesis of a Novel and Selective Molecular Receptor for 1,4-Disubstituted Benzenes and 4,4‘-Disubstituted Biphenyls
Published in Journal of organic chemistry (07-04-2000)“…A new tetracationic molecular receptor has been synthesized and studied by semiempirical molecular orbital theory. This novel macrocycle, 1 4+, derived from…”
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4
Generation and trapping of a caged cyclopentylidenecarbene
Published in Tetrahedron letters (22-01-1996)“…The reactive intermediate that is produced both (i) via reaction of 8-(dibromomethylene)-pentacyclo[5.4.0.0 2,6.0 3,10.0 5,9]unndecane ( 6) with n-BuLi-THF and…”
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5
Synthesis of an unusual, cage-functionalized molecular cleft
Published in Journal of chemical crystallography (01-03-2001)Get full text
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6
Synthesis and alkali metal picrate extraction capabilities of novel cage-functionalized 17-crown-5 and 17-crown-6 ethers
Published in Tetrahedron (10-03-1997)“…The syntheses of three novel cage-functionalized 17-crown-5 and 17-crown-6 ethers, i.e., 10–12, are reported and the results of alkali metal picrate extraction…”
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7
Synthesis and alkali metal picrate extraction capabilities of novel, cage-functionalized diazacrown ethers. Effects of host preorganization on avidity and selectivity toward alkali metal picrates in solution
Published in Tetrahedron (29-10-1998)“…The synthesis of a series of cage-functionalized bis(monoazacrown) ethers and bis(diaza-crown) ethers is described. Alkali metal picrate extraction profiles…”
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Synthesis and alkali metal picrate extraction capabilities of a 4-oxahexacyclo[5.4.1.0 2,6.0 3,10.0 5,9.0 8,11]dodecane-derived cryptand. A new ionophore for selective ion complexation
Published in Tetrahedron letters (02-04-1998)“…The synthesis of a novel cage-functionalized cryptand, 5, and the X-ray crystal structure of its 1:1 complex with Na +, i.e. 4, are reported. Host molecule 5…”
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9
Intermolecular vs. Intramolecular carbene reactions of a cage-functionalized cyclopentylcarbene
Published in Tetrahedron (10-12-1998)“…The results of carbene reactions of pentacyclo[5.4.0.0 2,6.0 3,10.0 5,9]undecan-8-ylidene (i.e., PCU-8-ylidene, 9), generated under different conditions by…”
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Syntheses of bis- and tetra-crowned clefts and studies of their selectivities in metal ion complexation
Published in Tetrahedron (01-07-1996)“…A novel “tetra[benzo(18-crown-6)]-crowned cleft” ( 2) and two new “bis[benzo(15-crown-5)]-crowned clefts” ( 3 and 4) have been synthesized. Their respective…”
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12
Molecular design of lipophilic disalicylic acid compounds with varying spacers for selective lead(II) extraction
Published in Talanta (Oxford) (30-06-2000)“…Lipophilic disalicylic acids 5,5′-decyl-2,2′-[1,2-ethanediylbis(oxy)]bisbenzoic acid ( 1), 5,5′-decyl-2,2′-[1,3-propanediylbis(oxy)]bisbenzoic acid ( 2),…”
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13
Acid and base promoted rearrangements of Hexacyclo[11.2.1.0 2,12.0 5,10.0 5.15.0 10,14]hexadeca-6,8-diene-4,11-dione
Published in Tetrahedron (21-10-1996)“…Hexacyclo[11.2.1.0 2,12.0 5,10.0 5,15.0 10,14]hexadeca-6,8-diene-4,11-dione ( 3) was synthesized via ring-expansion of hexacyclo[10.2.1.0 2,11.0 4,9.0 4,14.0…”
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14
Novel reduction (Zn-AcOH) of DDHQ esters. A new route to tropone synthesis
Published in Tetrahedron (29-01-1996)“…Zn/acetic acid reaction of DDHQ esters 1 a–d gave the saturated acids 3 a–d and the hydrocarbons 7 a–d. The intermediacy of the aldehydes 10 and 11 in the…”
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Synthesis and thermal rearrangement of pentacyclo[6.5.0.0 4,12.0 5,10.0 9,13]trideca-2,6-diene
Published in Tetrahedron (30-10-1995)“…Pentacyclo[6.5.0.0 4,12.0 5,10.0 9,13]trideca-2,6-diene ( 16) has been synthesized in five steps from 1-hydroxyhexacyclo[6.5.0.0 2,6.0 3,11.0 5,10.0…”
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Synthesis, characterization and crystal density modeling of polycarbocyclic oxiranes
Published in Tetrahedron (15-07-1996)“…Polycyclic bis-epoxides 5, 6, and 7 have been synthesized, and their structures established unequivocally via application of single crystal X-ray…”
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17
Synthesis and structure of a bis(ethynyl)-substituted oxahexacyclic cage ether
Published in Journal of chemical crystallography (01-03-1999)Get full text
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18
Structure of a deaza dimer of 4-methyl-3H-1,2,4-triazole-3,5(4H)-dione
Published in Journal of chemical crystallography (1999)Get full text
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19
Thermodynamic vs. kinetic control in the Diels-Alder cycloaddition of cyclopentadiene to 2,3-dicyano-p-benzoquinone
Published in Journal of chemical crystallography (01-04-1996)Get full text
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Structure of 1-(2'-tosyloxyethoxy)-8-tosyloxy-9,10-anthraquinone
Published in Journal of chemical crystallography (01-10-1996)Get full text
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