Search filters

List of works by Sambasivarao Kotha

7-Hydroxyhexacyclo[7.5.1.01,7.06,13.08,12.010,14]pentadecan-15-one-11-spirocyclopentane

A diversity-oriented approach to indolocarbazoles via Fischer indolization and olefin metathesis: total synthesis of tjipanazole D and I.

scientific article

A new approach to 3-substituted tetrahydro-β-carboline derivative via diethyl acetamidomalonate

scientific article published on 01 October 2011

A new skeletal rearrangement of 1,7-dimethyl Cookson's cage dione catalyzed by a Lewis acid

scientific article published on 01 February 2020

A new synthetic approach to 1,2,3,4-tetrahydroisoquinoline-3-carboxylic acid (Tic) derivatives via a [2 + 2 + 2] cycloaddition reaction

scientific article published on 01 July 2000

A novel di-triazole based peptide as a highly sensitive and selective fluorescent chemosensor for Zn2+ ions

scientific article published on 11 May 2012

A retrospective on the design and synthesis of novel molecules through a strategic consideration of metathesis and Suzuki-Miyaura cross-coupling

scientific article published on 01 March 2009

A synergistic approach to polycyclics via a strategic utilization of Claisen rearrangement and olefin metathesis

scientific article published on 04 July 2011

Advanced approach to polycyclics by a synergistic combination of enyne metathesis and Diels-Alder reaction.

scientific article published on 03 April 2009

Application of Claisen Rearrangement and Olefin Metathesis in Organic Synthesis

scientific article published on 29 June 2018

Application of Fischer Indolization under Green Conditions using Deep Eutectic Solvents

scientific article

Application of the Suzuki-Miyaura cross-coupling reaction for the modification of phenylalanine peptides

scientific article published in August 2003

Bridgehead vicinal diallylation of norbornene derivatives and extension to propellane derivatives via ring-closing metathesis

scientific article published on 22 August 2016

Conformational switching caused by biphenyl substitution at the Calpha position: ethyl 2-benzyl-2-(formylamino)-3-phenylpropionate and ethyl 3-(1,1'-biphenyl-4-yl)-2-(formylamino)-2-(4-phenylbenzyl)propionate

scientific article published on 30 July 2004

Cross-Enyne and Ring-Closing Metathesis Cascade: A Building-Block Approach Suitable for Diversity-Oriented Synthesis of Densely Functionalized Macroheterocycles with Amino Acid Scaffolds

Crystal structure of 1,3-diallyl-1,3,3a,4,7,7a-hexa-hydro-4,7-methano-2-benzo-thio-phene 2,2-dioxide

scientific article published on 15 October 2014

Crystal structure of the cage derivative penta-cyclo-[5.4.0.0(2,6).0(3,10).0(5,9)]undeca-8,11-dione ethyl-ene di-thio-ketal

scientific article published on 24 September 2014

Crystal structures of 3,6-di-allyl-tetra-cyclo[6.3.0.0(4,11).0(5,9)]undeca-2,7-dione and 1,7-di-allyl-penta-cyclo-[5.4.0.0(2,6). 0(3,10).0(5,9)]undecane-8,11-dione: allyl-ated caged compounds

scientific article published on 24 October 2014

Design and synthesis of -symmetric molecules bearing propellane moieties via cyclotrimerization and a ring-closing metathesis sequence

scientific article published on 01 October 2018

Design and synthesis of benzosultine-sulfone as a o-xylylene precursor via cross-enyne metathesis and rongalite: further expansion to polycyclics via regioselective Diels-Alder reaction

scientific article published in June 2010

Design and synthesis of fused polycycles via Diels-Alder reaction and ring-rearrangement metathesis as key steps

scientific article published on 27 July 2015

Design and synthesis of hybrid cyclophanes containing thiophene and indole units via Grignard reaction, Fischer indolization and ring-closing metathesis as key steps

scientific article published on 31 August 2015

Design and synthesis of novel bis-annulated caged polycycles via ring-closing metathesis: pushpakenediol

scientific article published on 13 November 2014

Design and synthesis of novel propellanes by using claisen rearrangement and ring-closing metathesis as the key steps

scientific article published on 01 May 2006

Design and synthesis of polycyclic sulfones via Diels-Alder reaction and ring-rearrangement metathesis as key steps

scientific article published on 6 August 2015

Design and synthesis of propellane derivatives and oxa-bowls via ring-rearrangement metathesis as a key step

scientific article published on 24 September 2015

Development of New Synthetic Strategies, Tactics and their Applications

scientific article published on 21 October 2019

Diels-Alder approach to tetralin-based constrained alpha-amino acid derivatives

scientific article published on 01 August 2000

Differential reactivity pattern of hybrid o-quinodimethane precursors: strategic expansion to annulated benzocycloalkanes via rongalite.

scientific article published in August 2009

Diversity Oriented Approach to Crownophanes by Enyne Metathesis and Diels–Alder Reaction as Key Steps

scientific article published on 10 July 2012

Diversity-Oriented Approaches to Polycyclics and Bioinspired Molecules via the Diels-Alder Strategy: Green Chemistry, Synthetic Economy, and Beyond

scientific article published on 23 April 2015

Diversity-oriented approach to biologically relevant molecular frameworks starting with beta-naphthol and using the Claisen rearrangement and olefin metathesis as key steps

scientific article published on 01 October 2006

Diversity-oriented approach to macrocyclic cyclophane derivatives by Suzuki-Miyaura cross-coupling and olefin metathesis as key steps

scientific article published on 13 December 2011

Diversity-oriented approaches to unusual α-amino acids and peptides: step economy, atom economy, redox economy, and beyond

scientific article

Diversity-oriented synthesis of medicinally important 1,2,3,4-tetrahydroisoquinoline-3-carboxylic acid (Tic) derivatives and higher analogs

scientific article

Diversity-oriented synthesis of spirothiazolidinediones and their biological evaluation

scientific article published on 18 November 2019

Enantioselective synthesis of (+)-4-demethoxy-1,4-dimethyldaunomycinone

scientific article published in March 2002

Ethyl 2-formamido-2-(4-iodobenzyl)-3-(4-iodophenyl)propionate and ethyl 2-(3-bromobenzyl)-3-(3-bromophenyl)-2-formamidopropionate.

scientific article published on 31 March 2003

Ethyl 6-acetylamino-6,7-dihydro-5H-dibenzo[a,c]cycloheptene-6-carboxylate

scientific article published on 11 April 2002

First and unexpected synthesis of macrocyclic cyclophane-based unusual alpha-amino acid derivatives by phosphazene base without high dilution conditions

scientific article published in April 2002

First synthesis of optically active benzocyclobutene and biphenylene-based unusual alpha-amino acid derivatives.

scientific article published in September 1999

Hexacyclo[6.5.1.01,5.05,12.07,11.09,13]tetradecane-4,6,14-trione

Hexacyclo[7.5.1.01,6.06,13.08,12.010,14]pentadecane-7,15-dione

Hybrid macrocycle formation and spiro annulation on cis-syn-cis-tricyclo[6.3.0.0(2,6)]undeca-3,11-dione and its congeners via ring-closing metathesis

scientific article published on 6 July 2015

Molecular Acrobatics in Polycyclic Frames: Synthesis of Functionalized D3-Trishomocubanes via the Rearrangement Approach

scientific article published on 23 May 2018

Multicomponent Approach to Hydantoins and Thiohydantoins Involving a Deep Eutectic Solvent

scientific article published on 21 August 2019

Polymorphism of 1,3,5-trinitrobenzene induced by a trisindane additive

scientific article (publication date: 20 February 2004)

Post-assembly peptide modifications by chemical methods

scientific article

Precursors to dodecahedrane

scientific article published on 20 June 2003

Recent applications of ring-rearrangement metathesis in organic synthesis

scientific article

Recent applications of the Suzuki–Miyaura cross-coupling reaction in organic synthesis

article

Recent chemistry of benzocyclobutenes

Retro Diels-Alder reaction under mild conditions: experimental and theoretical studies

scientific article published on 12 April 2006

Rongalite: a useful green reagent in organic synthesis

scientific article published on 22 November 2011

Selected synthetic strategies to cyclophanes

scientific article

Spiro annulation of cage polycycles via Grignard reaction and ring-closing metathesis as key steps

scientific article published on 5 August 2015

Spiro-annulation of barbituric acid derivatives and its analogs by ring-closing metathesis reaction

scientific article

Synergistic approach to polycycles through Suzuki-Miyaura cross coupling and metathesis as key steps

Synthesis and modification of dibenzylglycine derivatives via the Suzuki-Miyaura cross-coupling reaction.

scientific article published in August 2004

Synthesis of -symmetric star-shaped molecules containing α-amino acids and dipeptides via Negishi coupling as a key step

Synthesis of Intricate Fused N-Heterocycles via Ring-Rearrangement Metathesis

scientific article

Synthesis of a tricyclic lactam via Beckmann rearrangement and ring-rearrangement metathesis as key steps

scientific article published on 27 August 2015

Synthesis of bis-armed amino acid derivatives via the alkylation of ethyl isocyanoacetate and the Suzuki-Miyaura cross-coupling reaction

scientific article published on 10 October 2006

Synthesis of constrained alpha-amino acid derivatives via ring-closing olefin metathesis

scientific article published on 01 February 1998

Synthesis of constrained phenylalanine derivatives via a [2+2+2] cycloaddition strategy

scientific article published in July 2002

Synthesis of highly functionalised dibenzylglycine derivatives via the Suzuki-Miyaura coupling reaction

scientific article published in January 2002

Synthesis of indole-based propellane derivatives via Weiss-Cook condensation, Fischer indole cyclization, and ring-closing metathesis as key steps

scientific article published on 29 November 2013

Synthetic Approaches to Star-Shaped Molecules with 1,3,5-Trisubstituted Aromatic Cores

scientific article published on 29 March 2019

Synthetic Strategies to Diverse Polyquinanes via Olefin Metathesis: Access to the Basic Core of Crinipellin, Presilphiperfolanol, and Cucumin

scientific article published on 19 December 2019

Target Specific Tactics in Olefin Metathesis: Synthetic Approach to cis-syn-cis-Triquinanes and -Propellanes.

scientific article

The building block approach to unusual alpha-amino acid derivatives and peptides.

scientific article