Search Results - "ASOKAN, C. V."

Synthesis of Multi(metallo)porphyrin Dendrimers through Nucleophilic Aromatic Substitution on meso-Pyrimidinyl Substituted Porphyrins by MAES, Wouter, VANDERHAEGHEN, Jeroen, SMEETS, Stefan, ASOKAN, C. V., VAN RENTERGHEM, Lieven M., DU PREZ, Filip E., SMET, Mario, DEHAEN, Wim

“…A convergent synthetic strategy toward novel all-porphyrin dendrimers, which can be regarded as synthetic model systems of the natural photosynthetic…”
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Synthesis of 2,3,5-trisubstituted furans from α-formylaroylketene dithioacetals by Sasikala, K.A., Kalesh, K.A., Anabha, E.R., Pillai, P. Madhavan, Asokan, C.V., Devaky, K.S.

“…A new strategy for the synthesis of 2,3,5-trisbustituted furans from α-formylketene dithioacetals is described. The protocol involves a facile conversion of…”
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Synthesis of pyrimidine-5-carbaldehydes from α-formylaroylketene dithioacetals by Mathews, Annie, Asokan, C.V.

“…A facile one pot synthetic path for the preparation of pyrimidine-5-carbaldehydes from α-formylaroylketene dithioacetals is described. Amidines were allowed to…”
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2-[2-(4-Methyl-benzo-yl)-3,3-bis-(methyl-sulfan-yl)prop-2-enyl-idene]malononitrile by Nirmala, Joseph, Unnikrishnan, N V, Asokan, C V, Anabha, E R, Sudarsanakumar, C

“…The title compound, C(16)H(14)N(2)OS(2), is an example of a push-pull butadiene in which the electron-releasing and electron-withdrawing attachments on either…”
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Synthesis and Functionalization of Double Picket Fence Porphyrins Starting from 4,6-Disubstituted Pyrimidine-5-carbaldehydes by Smeets, S, Asokan, C. V, Motmans, F, Dehaen, W

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Ultrasonic investigation of molecular interaction in binary mixtures of nitriles with methanol/toluene by Abraham, Roshan, Abdulkhadar, M., Asokan, C.V.

“…Ultrasonic velocity, density, and viscosity have been measured in the binary mixtures of nitriles with (CH3OH / C6H5CH3) at different temperatures. Excess…”
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An efficient synthesis of highly substituted pyrroles from β-oxodithiocarboxylates by Mathew, Paulson, Asokan, C.V.

“…α-Oxoketene- N, S-acetals, prepared by the reaction of alkyl glycinate hydrochlorides with β-oxodithiocarboxylates followed by alkylation, underwent…”
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Cyclization of functionalized ketene- N, S-acetals to substituted pyrroles: applications in the synthesis of marine pyrrole alkaloids by Mathew, Paulson, Asokan, C.V.

“…[Display omitted] α-Oxoketene- N, S-acetals, prepared by the reaction of alkyl glycinates with β-oxodithiocarboxylates followed by alkylation, underwent…”
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Vilsmeier–Haack reactions of α-hydroxyketenedithioacetals: a facile synthesis of substituted pyridines by Thomas, Ajith Dain, Asokan, C.V

“…The reaction of α-hydroxyketenedithioacetals, generated by the 1,2-addition of methyl Grignard reagent to α-oxoketenedithioacetals, with the Vilsmeier reagent…”
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Vilsmeier–Haack reactions of carbonyl compounds: synthesis of substituted pyrones and pyridines by Thomas, Ajith Dain, Josemin, Asokan, C.V

“…Vilsmeier–Haack reaction of substituted phenylacetones leads to the formation of conjugated iminium salts which on aqueous basic work up afford…”
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Sterically encumbered triarylcorroles from aryldipyrromethanes and aromatic aldehydes by Asokan, C.V, Smeets, S, Dehaen, W

“…A two-step synthesis of corroles from dipyrromethanes and aromatic aldehydes has been achieved. Acid-catalyzed [2+2] condensation of…”
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Synthesis of Multi(metallo)porphyrin Dendrimers through Nucleophilic Aromatic Substitution on m eso-Pyrimidinyl Substituted Porphyrins by Maes, Wouter, Vanderhaeghen, Jeroen, Smeets, Stefan, Asokan, C. V, Van Renterghem, Lieven M, Du Prez, Filip E, Smet, Mario, Dehaen, Wim

“…A convergent synthetic strategy toward novel all-porphyrin dendrimers, which can be regarded as synthetic model systems of the natural photosynthetic…”
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Novel phototransformations of bridgehead-dimethyl-substituted dibenzobarrelene. Structure of the photoproducts by Asokan, C. V, Kumar, S. A, Das, S, Rath, N. P, George, M. V

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Bromine Complexes of Polyvinylpyrrolidone Supports: A Mild Reagent for the Transformation of α-Oxoketene Dithioacetals to β-Oxothiolesters by Mathew, Paulson, Nair, Satheesh K., Sreedhar, K. M., Pillai, V. N. Rajasekharan, Asokan, C. V.

“…When α-oxoketene dithioacetals 1a-n were treated with the bromine complex of a copolymer of 1-vinyl-2-pyrrolidone and 4-vinylpyridine, the corresponding…”
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A FACILE SYNTHESIS OF β-OXOTHIOLCARBOXYLATES FROM α-OXOKETENEDITHIOACETALS by Nair, Satheesh K., Asokan, C. V.

“…α-Oxoketenedithioacetals and alkenoyl ketenedithioacetals underwent facile, boron trifluoride etherate assisted partial hydrolysis in dioxane to afford…”
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Sulfhydrolysis of Acyl Ketene Dithioacetals: A Convenient Synthesis of β-Oxodithioesters by Nair, Satheesh K., Asokan, C. V.

“…β-Oxodithioesters are obtained in good yields from acyl ketenedithioacetals on treatment with hydrogen sulphide in the presence of boron trifluoride eiherate…”
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A facile method for the synthesis of substituted 2-ylidene-1,3-oxathioles from acetophenones by Samuel, R., Asokan, C.V., Suma, S., Chandran, P., Retnamma, S., Anabha, E.R.

“…Compounds incorporating 1,3-oxathiole moieties in their frameworks are biologically active. Active methylene ketones can be easily converted to the…”
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Reactions of 1-aryl-2-propanones with chloromethyleneiminium salt by Josemin, Nirmala, K.N., Asokan, C.V.

“…A synthesis of 3-formyl-4-pyrones by Vilsmeier-Haack reaction of substituted benzyl methyl ketones has been reported. The reaction of benzyl ethyl ketone with…”
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Microwave assisted one-pot synthesis of pyrrolo[2,1-b]thiazol-6-ones from α-aroyl ketene-N,S-acetals by Mathew, Paulson, Prasidha, M., Asokan, C. V.

“…α‐Aroyl ketene‐N,S‐acetals 3 prepared by the reaction of β‐oxothioamides 1 with phenacyl bromides 2, underwent sequential cyclizations under microwave…”
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Phototransformations of Bridgehead-Disubstituted Dibenzobarrelenes. Interesting Rearrangements of Dibenzosemibullvalene Intermediates Derived from 9-(Hydroxyalkyl)-10-methoxy-Substituted Dibenzobarrelenes1 by Ramaiah, D, Kumar, S. A, Asokan, C. V, Mathew, T, Das, S, Rath, N. P, George, M. V

“…The photochemistry of 11,12-dibenzoyl-9,10-dihydro-9-(hydroxymethyl)-10-methoxy-9,10-ethenoanthracene (7a) and…”
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