Zobrazeno 1 - 8
of 8
pro vyhledávání: '"Shrikrishna Karhale"'
Publikováno v:
Reaction Kinetics, Mechanisms and Catalysis. 130:993-1007
A heterogeneous solid acid catalyst, sulfonic acid supported on pericarp-pomegranate (sulfonic acid@PP) is prepared with green an eco-friendly approach. The prepared sulfonic acid@PP catalyst was extensively characterized by IR, FE-SEM, EDX and TGA t
Autor:
Shrikrishna Karhale
Publikováno v:
Research on Chemical Intermediates. 46:3085-3096
A solid acid catalyst bearing sulphamic acid on sawdust (SA@Sawdust) was designed as a novel heterogeneous catalyst. The structure of prepared catalyst was assessed by various spectroscopic techniques such as FT-IR, field emission scanning electron m
Autor:
Shrikrishna Karhale, Vasant Helavi
Publikováno v:
SN Applied Sciences. 2
Green and atom economic protocol has been developed for one-pot, multi-component synthesis of 2H-indazolo[2,1-b]phthalazine-triones in presence of 5-sulphosalicylic acid as an organocatalyst under solvent-free conditions. Non-toxic, cost-effective ca
Publikováno v:
Research on Chemical Intermediates. 43:7073-7086
A heterogeneous solid acid catalyst has been prepared by covalent grafting of chlorosulphonic acid on the surface of sawdust (SD-OSO3H). The structure of the prepared catalyst was assessed by FT-IR, solid state CP/MAS 13C-NMR spectroscopy, field emis
Publikováno v:
Research on Chemical Intermediates. 43:3915-3924
An expeditious synthesis of 2,3-dihydroquinazolin-4(1H)-ones in the presence of oxalic acid as an environmentally friendly organocatalyst is reported. The salient features of the protocol are high yields, green reaction profile, shorter reaction time
Publikováno v:
New Journal of Chemistry. 41:5133-5141
A novel heterogeneous solid acid catalyst has been prepared by covalent grafting of chlorosulphonic acid on amino-functionalized cellulose (Cell–Pr-NHSO3H). The structure of the catalyst was assessed by FT-IR, solid-state CP/MAS 13C-NMR spectroscop
Publikováno v:
Research on Chemical Intermediates. 42:7257-7268
Zirconocene dichloride (Cp2ZrCl2) in the presence of ethanol is found to be a highly efficient catalyst for the one-pot synthesis of structurally diverse 2-substituted benzimidazole derivatives by reaction of o-phenylenediamine and aromatic aldehydes
Autor:
Monika Patil, Arjun Kumbhar, Vasant Helavi, Shrikrishna Karhale, Ananada S. Kudale, Sagar More
Publikováno v:
Current Science. 116:936