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51.
Ponnusamy Shanmugam Vadivel Vaithiyanathan Baby Viswambharan Suchithra Madhavan 《Tetrahedron letters》2007,48(52):9190-9194
The reaction of the Baylis–Hillman adduct 2 of ferrocenealdehyde with various oxygen and carbon nucleophiles in the presence of montmorillonite K10 clay catalyst furnished highly functionalised trisubstituted alkene derivatives of ferrocenealdehyde in excellent yield. Synthetic use of one of products 7 has been demonstrated with the synthesis of a 1,3-diyne ether derivative of ferrocene 16 via an Eglinton coupling reaction. 相似文献
52.
cndo/Force method is used to evaluate redundancy-free internal valence force field (rfivff) for inplane vibrations of ethylene. The bending force constants, the stretch-band and bend-bend interaction force constants
are predicted reasonably well in magnitude and sign by this method; whereas stretching force constants and stretch-stretch
interactions are overestimated. Initial force field is set up by transferring stretching force constants from structurally-related
molecules and including the rest of the force constants fromcndo force field. The field so constructed is subjected to refinement by the least square method. A total of 64 vibrational frequencies
of C2H4, C2D4, C2H2D2 and their13C isotopic modifications are used to determine force field containing 15 parameters. The final force field is found to be
reasonable on the basis of frequency fits, potential energy distribution and band assignments. 相似文献
53.
Chockalingam Venkatachalapathy Muniappan Thirumalaikumar Shanmugam Muthusubramanian Kasi Pitchumani Shunmugaperumal Sivasubramanian 《合成通讯》2013,43(23):4041-4047
Abstract: The first clean and the facile clay catalysed synthesis of á,N-diarylnitrones in good yield is reported. 相似文献
54.
Kumar Sundaravel Vivek Rani Gandhi Uma Divyalakshmi Manohar Bhuvanesh Nattamai Muthusubramanian Shanmugam Perumal Subbu 《Molecular diversity》2019,23(3):669-680
Molecular Diversity - Expedient synthesis of benzosuberone-tethered spirooxindoles was accomplished by a three-component 1,3-dipolar cycloaddition reaction between azomethine ylide (generated in... 相似文献
55.
56.
Ponnusamy Shanmugam 《合成通讯》2013,43(24):4409-4415
The Montmorillonite K10 clay catalysed Friedel-Crafts aralkylation of compound 2 with a number of aromatic hydrocarbons furnished functionalised linear Aryl-Alkyl-Aryl systems in good yield. A comparative study of this reaction was carried out with mont-K10 and Fe3+-Mont-K10. 相似文献
57.
58.
A green synthesis of 1,2,3-triazolyl-pyridine hybrids and evaluation of their antibacterial activity
59.
Sivaperuman Saravanan Shanmugam Muthusubramanian 《Phosphorus, sulfur, and silicon and the related elements》2013,188(12):2411-2421
Synthesis and characterization of several diethyl 2-[aryl(4-aryl-1,2,3-selenadiazol-5-yl)methyl]malonates are reported. 相似文献
60.
Tidmarsh IS Laye RH Brearley PR Shanmugam M Sañudo EC Sorace L Caneschi A McInnes EJ 《Chemical communications (Cambridge, England)》2006,(24):2560-2562
The solvothermal synthesis, crystal structure and preliminary magnetic studies are reported of the first high nuclearity V(III)-based polyoxo(alkoxo)vanadium cage, a V(III)16V(IV)2 complex. 相似文献