A simplified green chemistry approaches to organic synthesis in solid media. Activated fly ash, an industrial waste (pollutant) as an efficient and novel catalyst for some selected organic reactions in solvent-free conditions under microwave irradiation

Autor: M. Gopalakrishnan, P. Sureshkumar, V. Kanagarajan, J. Thanusu, R. Govindaraju

Publikováno v: ARKIVOC, Vol 2006, Iss 13, Pp 130-141 (2006)

Externí odkaz: https://doaj.org/article/2cb6c947d3ab4adb869ac2ca3cc818ec

One-pot Synthesis of 2-Hydroxy-1,4-Naphthoquinone (Lawsone)

Autor: J. Thanusu, Dhanavel Sivakumar, H. Manikandan, Samuthira Nagarajan, Mannathusamy Gopalakrishnan, Vijayakumar Kanagarajan

Publikováno v: Current Organic Synthesis. 16:431-434

Aims and Scope: The 2-hydroxy-1,4-naphthoquinone (lawsone) and 2,5-dihydroxy-1, 4-naphthoquninone (5-hydroxylawsone) are synthesized by one step process. The process involves an inexpensive catalyst urea hydrogen peroxide and a base (t-BuOK) in alcoh

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8636181a9dfd8b31c260f3ca0b2a4fe8
https://doi.org/10.2174/1570179416666190111155328

SYNTHESIS AND SPECTRAL ANALYSIS OF AN ARRAY OF NOVEL 4-(4-MORPHOLINOPHENYL)-6-ARYL-PYRIMIDIN-2-AMINES

Autor: M. Gopalakrishnan, Kanagarajan, J Thanusu

Publikováno v: Journal of the Chilean Chemical Society, Volume: 55, Issue: 4, Pages: 511-514, Published: DEC 2010
Journal of the Chilean Chemical Society v.55 n.4 2010
SciELO Chile
CONICYT Chile
instacron:CONICYT

An array of newly synthesized novel 4-(4-morpholinophenyl)-6-arylpyrimidin-2-amines (20-28) are synthesized from the respective (E)-1-4-morpholinophenyl)-3-aryl-prop-2-en-1-ones (11-19) by the treatment of guanidine nitrate in refluxing ethanol catal

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ddb1c2aaac65bf1f19655c633a263fb1
https://doi.org/10.4067/s0717-97072010000400022

Environmentally safe one-pot solvent-free synthesis of 6-aryl-1,2,4,5-tetrazinane-3-thiones(ones) catalyzed by NaHSO4-SiO2

Autor: J. Thanusu, M. Gopalakrishnan, Purushothaman Sureshkumar, Vijayakumar Kanagarajan

Publikováno v: Russian Journal of Organic Chemistry. 45:1707-1713

One-pot condensation of thiourea (urea), diverse aromatic aldehydes, and ammonium acetate in the presence of repeatedly usable heterogeneous catalyst NaHSO4-SiO2 in the absence of solvent under the microwave irradiation proceeds faster and with bette

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::76f5f21fbd0f961fc22906cff1d63a4f
https://doi.org/10.1134/s1070428009110220

Unusual formation of N-hydroxy-3,3-dimethyl-2,6-diarylpiperidin-4-one and its thiosemicarbazide derivative — synthesis and antimicrobial activity

Autor: Vijayakumar Kanagarajan, J. Thanusu, Purushothaman Sureshkumar, M. Gopalakrishnan

Publikováno v: Pharmaceutical Chemistry Journal. 42:271-276

A series of novel N-hydroxy-3,3-dimethyl-2,6-diarylpiperidin-4-one thiosemicarbazones 28–32 is synthesized, characterized by melting point, elemental analysis, and MS, FT-IR, NMR (1H & 13C) spectroscopic data and evaluated for their in vitro antiba

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4c441ea5c70b34088769030a4472e7a9
https://doi.org/10.1007/s11094-008-0104-z