Zobrazeno 1 - 10
of 26
pro vyhledávání: '"Venugopal Rajendran"'
Publikováno v:
Chemical Review and Letters, Vol 2, Iss 1, Pp 40-47 (2019)
In this work, the kinetics and mechanism of free radical polymerization of acrylonitrile (AN) using potassium peroxydisulphate (PDS-K2S2O8) as a water soluble initiator in the presence of synthesized 4,4'-dihexadecyl-1,1'-bipyridine diiumdichloride (
Externí odkaz:
https://doaj.org/article/7d967a8f8193495997f6ec147d3c5bff
Publikováno v:
Bulletin of Chemical Reaction Engineering & Catalysis, Vol 11, Iss 3, Pp 273-283 (2016)
In this paper, the synthesis of ethyl 2-(naphthalen-2-yloxy)acetate from β-naphthol and ethyl 2-bromoacetate under ultrasound and catalyzed by quaternary ammonium salt in solid-liquid heterogeneous condition was described. Trace amount of water play
Externí odkaz:
https://doaj.org/article/ac4a2c8049c64b408055d3882e322c73
Publikováno v:
Journal of Non-Crystalline Solids. 606:122198
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
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
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
Publikováno v:
Current Catalysis. 5:44-50
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
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,
Autor:
Kavitha Sankar, Venugopal Rajendran
Publikováno v:
Ultrasonics Sonochemistry. 20:329-337
The kinetics of multi-site phase-transfer catalyzed free radical polymerisation of ethyl methacrylate (EMA) using potassium peroxy disulphate (PDS) as a water soluble initiator and newly synthesized 1,4-dihexadecylpyrazine-1,4-diium dibromide as mult