Browsing by Author "Kadam, H.K."

6H-Indolo[2,3-b]Quinoline: A recent synthetic comprehension

Kadam, H.K.; Tilve, S.G. (Mini-Reviews in Organic Chemistry. 16(1); 2019; 35-42.)

The present review provides a comprehensive overview of the synthetic methods developed recently for 6H-Indolo[2,3-b]quinoline. The review is classified into the following: 1) inheriting indole skeleton and constructing ...

Advancement in methodologies for reduction of nitroarenes

Kadam, H.K.; Tilve, S.G. (RSC Advances. 2015(5); 2015; 83391-83407.)

The importance of aryl amines as raw materials for various applications has spurred extensive research in developing economic processes for the reduction of nitroarenes. Developing green methodologies is now a compelling ...

An alternate synthesis of 6H-Indolo[2,3-b]quinoline via one-pot alkylation-dehydration-cyclization-aromatization approach

Kadam, H.K.; Tilve, S.G. (Journal of Heterocyclic Chemistry. 53(6); 2016; 2066-2069.)

With the growing concern for environmental pollution and shrinking land resources available for agriculture, the need for sustainable agriculture is increasing. Soil sensing plays an important role in sustainable agriculture ...

A concise synthesis of 6H-Indolo[2,3-b]quinolines: Formal synthesis of Neocryptolepine

Kadam, H.K.; Parvatkar, P.T.; Tilve, S.G. (Synthesis-Stuttgart. 44(9); 2012; 1339-1342.)

A new two-step approach for the synthesis of 6H-indolo[2,3-b]quinolines is described using indole C3 alkylation and a one-pot reduction-cyclization-aromatization sequence. The synthesis of the parent 6H-indolo[2,3-b] ...

Copper(II) bromide as a procatalyst for in situ preparation of active Cu nanoparticles for reduction of nitroarenes

Kadam, H.K.; Tilve, S.G. (RSC Advances. 2(14); 2012; 6057-6060.)

Copper(II) bromide as a procatalyst for the in situ preparation of active Cu nanoparticles for the efficient reduction of nitroarenes using sodium borohydride is described. During reduction, Cl, I, COOH, aliphatic nitro ...

Domino Bischler-Napieralski - Michael reaction and oxidation, a new route to Coumarin-Pyrrole-Isoquinoline fused pentacycles

Mandrekar, K.S.; Kadam, H.K.; Tilve, S.G. (European Journal of Organic Chemistry. 47; 2018; 6665-6670.)

Lamellarin scaffold is synthesized by a metal free convergent route involving domino Bischler-Napieralski reaction - Michael reaction - oxidation sequence. Six lamellarin analogues were synthesised having substituent on ...

Facile convergent route to indoloquinolines

Kadam, H.K.; Malik, D.D.; Salgaonkar, L.; Mandrekar, K.; Tilve, S.G. (Synthetic Communications. 47(21); 2017; 1980-1984.)

A convergent route to indoloquinolines is developed through aldol condensation. This two-step method utilizes commercially available 2-oxoindole and o-nitrobenzaldehyde as starting materials. Chromatography-free method is ...

Graphite catalyzed green synthesis of quinoxalines

Kadam, H.K.; Khan, S.; Kunkalkar, R.A.; Tilve, S.G. (Tetrahedron Letters. 54(8); 2013; 1003-1007.)

A new simple approach using environmentally benign, cheap, and easily recyclable graphite as a heterogeneous catalyst for the synthesis of quinoxalines is described. A library of pharmacologically interesting diphenylquinoxalines ...

Intramolecular Diels-Alder reaction as a key step in tandem or sequential processes: a versatile tool for the synthesis of fused and bridged bicyclic or polycyclic compounds

Parvatkar, P.T.; Kadam, H.K.; Tilve, S.G. (Tetrahedron. 70(18); 2014; 2857-2888.)

Isoindoloindolones: Biological activities and syntheses

Kadam, H.K.; Tilve, S.G. (ARKIVOC. 2015(4); 2015; 524-539.)

This review describes the biological activity and synthesis of structurally and biologically significant isoindoloindolone compounds. The various synthetic reports are mainly described under two headings based on use of ...

Molybdenum(VI) Dichloride Dioxide

Kadam, H.K. (Synlett. 25(12); 2014; 1793-1794.)

Although molybdenum(VI) dichloride dioxide (MoO2Cl2) has been known for a long time, [1] it is still exploited as a catalyst for versatile organic transformations. [2] It is an oxo-transfer catalyst, displaying its ability ...

NiWO sub(4) catalyzed expeditious synthesis of pyranopyrazoles

Mesira, G.; Salgaonkar, L.N.; Anvekar, T.S.; Kadam, H.K. (Indian Journal of Chemistry. 62(3); 2023; 196-201.)

In this paper, a multicomponent green rapid method for synthesis of pyranopyrazoles is reported using NiWO sub(4) in water in 15 min. Environment friendly features such as energy efficiency, aqueous medium, no hazardous ...

Oxidative Route to Pyrroloisoquinoline-2,3-dione

Kadam, H.K.; Tilve, S.G. (Arkivoc. 2018(3); 2018; 184-190.)

We herein report an efficient constructive method for synthesis of structurally important Pyrroloisoquinoline2,3-dione from dihydroisoquinoline through oxidative cyclisation. Process is optimised to give best efficiency ...

Pivalic acid assisted Biginelli reaction for synthesis of dihydropyrimidinones and dihydrothiopyrimidinones

Kadam, H.K.; Gawas, A.L.; Vernekar, S.S.; Chodankar, A.A.; Gaonkar, S.S.; Salgaonkar, L.N.; Anvekar, T.S.; Vaz, T.; Mhaldar, S.N. (Indian Journal of Chemistry- Section B. 59B(5); 2020; 677-681.)

Herein is provided an alternate, simple, multigram scale, efficient route for Biginelli reaction for synthesis of dihydropyrimidinones using urea, ethylacetatoacetate, and benzaldehyde with pivalic acid.

Silica supported synthesis and quorum quenching ability of Isoxazolones against both Gram positive and Gram negative bacterial pathogens

Kadam, H.K.; Salkar, K.; Naik, A.P.; Naik, M.M.; Salgaonkar, L.N.; Charya, L.S.; Pinto, K.C.; Mandrekar, V.K.; Vaz, T. (ChemistrySelect. 6(42); 2021; 11718-11728.)

Isoxazolones are synthesised using easily available, economical and reusable silica (TLC grade) catalyst. High yields are obtained in aqueous reaction system with substrate tolerance without affecting the yield. This ...

Synthesis and anti-microbial studies of (E)-oxoalk-2-enoic acids

Kurangi, R.; Kadam, H.K.; Tilve, S.G.; Kerkar, S. (Journal of Chemical and Pharmaceutical Research. 2(4); 2010; 83-89.)

(E)-4-Oxonon-2-enoic acid 1a is a fatty acid, isolated from the mycelium of Streptomyces olevaceus. Owing to its significant activity against various Gram-positive and Gram-negative strains and particularly Staphylococcus ...

Synthesis of 2,2 '-biindole: Formal synthesis of Arcyriaflavin-a and Staurosporinone (k-252c)

Parvatkar, P.T.; Kadam, H.K.; Parameswaran, P.S.; Tilve, S.G. (Asian Journal of Chemistry. 24(5); 2012; 2213-2215.)

A convenient four-stage synthesis of 2,2'-biindole, the immediate precursor of arcyriaflavin A and staurosporinone via double Wittig-double reductive cyclization reactions is described.

Synthesis of 6H-Isoindolo[2,1-a]indol-6-ones through Wittig reaction and tandem reductive cyclization-lactamization

Kadam, H.K.; Tilve, S.G. (European Journal of Organic Chemistry. 2013(20); 2013; 4280-4284.)

A convenient and efficient two-step route to 6H-Isoindolo[2,1-a]indol-6-ones has been developed starting from o-nitrobenzaldehydes. The methodology involves Wittig reaction followed by tandem reductive cyclization-lactamization. ...

Synthetic Studies of Nitrogen Containing Bioactive Organic Compounds and their Analogues

Kadam, H.K.

Unique synthesis of isochromenoindolone via reductive-oxidative cyclisation approach

Kadam, H.K.; Tilve, S.G. (Indian Journal of Chemistry. 58B(1); 2019; 104-108.)

A unique reductive-oxidative cyclisation approach for synthesis of isochromeno[4,3-b]indol-5(11H)-one from nitrostrylbenzoate is described.

Browsing by Author "Kadam, H.K."

Browsing by Author "Kadam, H.K."

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