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Dive into the research topics where G. Narasimhulu is active.

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Featured researches published by G. Narasimhulu.


RSC Advances | 2012

In(OTf)3-catalyzed tandem aza-Piancatelli rearrangement/Michael reaction for the synthesis of 3,4-dihydro-2H-benzo[b][1,4]thiazine and oxazine derivatives

B. V. Subba Reddy; Y. Vikram Reddy; P. Subba Lakshumma; G. Narasimhulu; J. S. Yadav; B. Sridhar; P. Purushotham Reddy; Ajit C. Kunwar

Furan-2-yl(phenyl)methanol derivatives undergo smooth aza-Piancatelli rearrangement with 2-aminothiophenol and 2-aminophenol in the presence of 10 mol% In(OTf)3 in acetonitrile at room temperature to afford the corresponding 3,4-dihydro-2H-benzo[b][1,4]thiazine or oxazine derivatives respectively in good yields with high selectivity in short reaction times. The salient features of this methodology are good yields, high selectivity, low catalyst loading and faster reaction times. The structure of the products was established by nOe studies and X-ray crystallography.


Tetrahedron Letters | 2010

InCl3-catalyzed three-component reaction: a novel synthesis of dihydropyrano[3,2-b]chromenediones under solvent-free conditions

B. V. Subba Reddy; M. Ramana Reddy; G. Narasimhulu; J. S. Yadav


Synlett | 2012

Quinazolinone-Directed C–H Activation: A Novel Strategy for the Acetoxylation–Methoxylation of the Arenes

B. V. Subba Reddy; G. Narasimhulu; N. Umadevi; J. S. Yadav


Tetrahedron Letters | 2012

Phosphomolybdic acid: a highly efficient solid acid catalyst for the synthesis of trans-4,5-disubstituted cyclopentenones

B. V. Subba Reddy; G. Narasimhulu; P. Subba Lakshumma; Y. Vikram Reddy; J. S. Yadav


Tetrahedron Letters | 2012

Iodine-catalyzed three-component one-pot synthesis of naphthopyranopyrimidines under solvent-free conditions

K. Praveen Kumar; S. Satyanarayana; P. Lakshmi Reddy; G. Narasimhulu; Narender Ravirala; B. V. Subba Reddy


Tetrahedron Letters | 2008

Iodine as a mild and efficient catalyst for the diastereoselective synthesis of δ -silyloxy-γ-lactones

J. S. Yadav; B. V. Subba Reddy; G. Narasimhulu; G. Satheesh


Tetrahedron Letters | 2009

Iodine-catalyzed 1,4-addition of 2-(trimethylsilyloxy)furan to α,β-unsaturated ketones: a facile synthesis of γ-butenolides

J. S. Yadav; B. V. Subba Reddy; G. Narasimhulu; N. Sivasankar Reddy; P. Janardhan Reddy


Tetrahedron Letters | 2010

Total synthesis of (+)-pseudohygroline

J. S. Yadav; G. Narasimhulu; N. Mallikarjuna Reddy; B. V. Subba Reddy


Tetrahedron Letters | 2010

First example of FeCl3-catalyzed alkylation of indoles with pinenes

J. S. Yadav; B. V. Subba Reddy; G. Narasimhulu; N. Sivasankar Reddy; P. Narayana Reddy; K.V. Purnima; P. Naresh; Bharatam Jagadeesh


Tetrahedron Letters | 2012

Sc(OTf)3/TsOH: a highly efficient catalytic system for the synthesis of 2,6-dioxabicyclo[3,2,1]octane derivatives

B. V. Subba Reddy; G. Narasimhulu; Y. Vikram Reddy; P. Pawan Chakravarthy; J. S. Yadav; B. Sridhar

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B. V. Subba Reddy

Indian Institute of Chemical Technology

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J. S. Yadav

Indian Institute of Chemical Technology

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Y. Vikram Reddy

Indian Institute of Chemical Technology

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G. Satheesh

Indian Institute of Chemical Technology

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N. Umadevi

Indian Institute of Chemical Technology

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Ajit C. Kunwar

Indian Institute of Chemical Technology

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B. Sridhar

Indian Institute of Chemical Technology

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K. Praveen Kumar

Indian Institute of Chemical Technology

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K.V. Purnima

Indian Institute of Chemical Technology

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P. Lakshmi Reddy

Indian Institute of Chemical Technology

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