N-bit Pipelined CSM Based Square Root Circuit for Binary Numbers

Panda, Siba Kumar; Jena, Arpita; Panda, Dhruba C.

doi:10.1007/978-981-10-6875-1_51

Cited by 2 publications

(2 citation statements)

References 7 publications

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“…Although numerous iron‐catalyzed C−C bond formations are described in the literature, examples for iron‐catalyzed Sonogashira C−C cross‐coupling reactions are rare. Iron‐acetylacetonate, ‐acetate as well as iron‐oxides have been suggested to be potential precatalysts for Sonogashira cross‐coupling reactions . Likewise, ferric chlorides have also been reported to allow for C−C bond formation .…”

Section: Methodsmentioning

confidence: 99%

Towards Iron-Catalyzed Sonogashira Cross-Coupling Reactions

et al. 2016

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Herein we report on the selective iron‐catalyzed cross‐coupling reaction of terminal phenylacetylenes with iodo‐aryl derivatives to afford the respective coupling products in the presence of 10 mol% FeCl2(bdmd) and 10 mol% [Cu(CH3CN)4]BF4 (bdmd=bis((diphenylphosphanyl)methyl)diphenylsilane). The yields are moderate to good in 1,4‐dioxane or DMF. This is the first example of a well‐defined and fully analysed ferrous complex acting as a precatalyst in Sonogashira cross‐coupling reactions. Notably, FeCl2(bdmd) is compatible with reactive substituents such as carbonyl‐, carboxyl‐, hydroxy‐, and amino‐groups, which allows for an effective cross‐coupling reaction in the presence of such functional groups.

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Section: Methodsmentioning

confidence: 99%

Towards Iron-Catalyzed Sonogashira Cross-Coupling Reactions

et al. 2016

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“…The C−N and C−C bond formations have emerged as exceedingly important methodologies for the preparation of organic compounds. The catalytic emergence of C−N and C−C bond formations is one of the most powerful tool for the construction of organic molecules Chan‐Lam coupling, Buchwald‐Hartwig amination, Suzuki‐Miyaura reaction, Heck‐Mizoroki reaction, oxidative homo‐coupling of terminal alkynes, and Kumada‐Corriu‐Tamao reaction are some of the prominent reactions for the formation of C−N and C−C bonds.…”

Section: Introductionmentioning

confidence: 99%

Chitosan‐Supported Copper(II) Schiff Base Complexes: Applications in Synthesis of 5‐Substituted 1H‐Tetrazoles and Oxidative Homo‐Coupling of Terminal Alkynes

et al. 2017

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Two new Chitosan‐supported Schiff base complexes (CS@L1‐Cu) and (CS@L2‐Cu) have been synthesized. They are characterized by various spectroscopic and instrumental techniques such as Fourier transform infrared spectroscopy (FT‐IR), Ultravoilet‐visible spectroscopy (UV‐Vis), X‐ray diffraction (XRD), X‐ray photoelectron spectroscopy (XPS), Field emission scanning electron microscopy (FESEM), Energy dispersiveX‐ray microscopy (EDX), Thermo gravimetric analysis/Differential thermal analysis (TGA/DTA), and atomic absorption spectroscopy (AAS) analysis.Thecomplex CS@L2‐Cu have been found to be efficient heterogeneous catalyst for the synthesis of 5‐substituted 1H‐tetrazoles from a series of oximes and sodium azide and also for oxidative homo‐coupling of terminal alkynes. The catalyst could be easily recovered from reaction mixture by simple filtration and recycled up to five times with no significant loss in its catalytic activity. The mercury poisoning test indicated that the catalysts are heterogeneous in nature. All products were isolated as white to off‐white and light yellow solids and characterized by1H and 13C NMR spectroscopy.

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N-bit Pipelined CSM Based Square Root Circuit for Binary Numbers

Cited by 2 publications

References 7 publications

Towards Iron-Catalyzed Sonogashira Cross-Coupling Reactions

Towards Iron-Catalyzed Sonogashira Cross-Coupling Reactions

Chitosan‐Supported Copper(II) Schiff Base Complexes: Applications in Synthesis of 5‐Substituted 1H‐Tetrazoles and Oxidative Homo‐Coupling of Terminal Alkynes

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