Zobrazeno 1 - 9
of 9
pro vyhledávání: '"Varathan Selvaraj"'
Autor:
Palani Amudha, Hamith Famitha, Varathan Selvaraj, Manickam Sathiyaraj, Perumal Venkatesh, Venugopal Rajendran
Publikováno v:
Asian Journal of Green Chemistry, Vol 2, Iss Issue 3. pp. 171-280, Pp 201-216 (2018)
A new multi-site phase-transfer catalyst viz., N,N’-dihexyl-4,4’-bipyridinium dibromide (DSPTC) was synthesized from the low cost starting materials. The structures of the synthesized DSPTC and 1-(prop-2-ynyl)-1H-indole were evidenced by 1HNMR an
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doajarticles::01808e32542221b7dd64cb1cededf48b
http://www.ajgreenchem.com/article_61073_7377200ccddc5543eaa9927b610c5dae.pdf
http://www.ajgreenchem.com/article_61073_7377200ccddc5543eaa9927b610c5dae.pdf
Publikováno v:
Iranian Chemical Communication, Vol 6, Iss Issue 1, pp. 1-108, Pp 55-61 (2018)
The present work describes, the reaction between disodium salt of 1,3-dihydroxybenzene (in situ formation) and propargyl bromide was carried out in a solid-liquid biphasic phase transfer catalytic system at 50°C. Higher selectivity of the bis-deriva
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doajarticles::023ebe03753be96390b46b1d0b81630d
http://icc.journals.pnu.ac.ir/article_4007_e7e7715cc8eeec667cdd778d5a067d50.pdf
http://icc.journals.pnu.ac.ir/article_4007_e7e7715cc8eeec667cdd778d5a067d50.pdf
Publikováno v:
Iranian Chemical Communication, Vol 5, Iss Issue 4, pp. 364-493, Pp 381-396 (2017)
A new multi-site phase-transfer catalyst (MPTC), viz., N,N’-dioctyl-4,4’-bipyridium dibromide containing bi-site was prepared and proved by FT-IR, 1H NMR, 13C NMR, mass and elemental analysis. The enhancement of C-N+ peak intensity at 1179 cm−1
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doajarticles::f29f8e7f3716a9ca7269b9884991fa5f
http://icc.journals.pnu.ac.ir/article_3923_8a6690f1444e25fded1e7eaf38438ed8.pdf
http://icc.journals.pnu.ac.ir/article_3923_8a6690f1444e25fded1e7eaf38438ed8.pdf
Autor:
Venugopal Rajendran, Varathan Selvaraj
Publikováno v:
Ultrasonics Sonochemistry. 21:620-627
In this work, the nitroarylation of imidazole catalyzed by a new novel dual-site phase-transfer catalyst was carried out in an alkaline solution/imidazole in chlorobenzene two-phase medium with ultrasonic irradiation (40 kHz, 300 W). This new synthes
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c32fcb42f5bb47ccdb35dc7e39700cfd
https://doi.org/10.1016/j.ultsonch.2013.10.001
https://doi.org/10.1016/j.ultsonch.2013.10.001
Autor:
Venugopal Rajendran, Varathan Selvaraj
Publikováno v:
Ultrasonics Sonochemistry. 20:1236-1244
In the present work, kinetics of synthesis of 1,3-bis(allyloxy)benzene was successfully carried out by O-allylation of resorcinol with allyl bromide using aqueous potassium hydroxide and catalyzed by a new multi-site phase-transfer catalyst viz. , 1,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::11c9000f2cb4195469cf4bc45ab8c737
https://doi.org/10.1016/j.ultsonch.2013.02.011
https://doi.org/10.1016/j.ultsonch.2013.02.011
Publikováno v:
Ultrasonics sonochemistry. 23
The synthesis of di-p-tolylsulfane from the reaction of 4-bromo-1-methylbenzene (BMB) with sodium sulfide was carried out using a multi-site phase-transfer catalyst (MPTC) viz., 1,4-dihexyl-1,4-diazoniabicyclo[2.2.2]octanium dibromide and ultrasonic
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2b631963a148af02e564f0100fa473a3
https://pubmed.ncbi.nlm.nih.gov/25199442
https://pubmed.ncbi.nlm.nih.gov/25199442
Publikováno v:
Ultrasonics sonochemistry. 21(5)
The ultrasound assisted preparation of 1-(benzyloxy)-4-nitrobenzene from the reaction of 4-chloronitrobenzene (CNB) and benzyl alcohol was carried out successfully using potassium hydroxide and catalyzed by a new multi-site phase-transfer catalyst (M
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::72126e601b79714d32b5eb228826508e
https://pubmed.ncbi.nlm.nih.gov/24830817
https://pubmed.ncbi.nlm.nih.gov/24830817
Publikováno v:
Ultrasonics sonochemistry. 22
The kinetics of polymerization of acrylonitrile (AN) was carried out under heterogeneous condition using a new multi-site phase-transfer catalyst (MPTC), viz., N,N′-dihexyl-4,4′-bipyridinium dibromide in the presence of water soluble initiator, p
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f28be9521e4358a63128ab4b61faa50f
https://pubmed.ncbi.nlm.nih.gov/24880766
https://pubmed.ncbi.nlm.nih.gov/24880766
Autor:
Venugopal Rajendran, Varathan Selvaraj
Publikováno v:
Ultrasonics sonochemistry. 21(2)
In the present study, kinetics of synthesis of 2,2-di(prop-2-ynyl)-1H-indene-1,3(2H)-dione was successfully carried out by propargylation of indene-1,3-dione with propargyl bromide using aqueous potassium hydroxide and catalyzed by a newly synthesize
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4d3d7d996df181bffab446456cf26356
https://pubmed.ncbi.nlm.nih.gov/24134829
https://pubmed.ncbi.nlm.nih.gov/24134829