Zobrazeno 1 - 10
of 29
pro vyhledávání: '"Sundararaman Venkatraman"'
Autor:
Rajneesh Misra, Sundararaman Venkatraman, Viswanathan Baskar, Viswanathan Prabhuraja, Tavarekere K. Chandrashekar
Publikováno v:
Phosphorus, Sulfur, and Silicon and the Related Elements. 180:845-872
Various supramolecular assemblies based on expanded porphyrins building blocks containing sulfur and/or selenium in the core, formed through multiple non-covalent hydrogen bonding interactions are highlighted. Specifically, modified expanded porphyri
Autor:
Tavarekere K. Chandrashekar, Mathias O. Senge, Ritesh Kumar, C. Vijayan, Alexandra Kelling, Sundararaman Venkatraman, Kaladevi Sendhil, Jeyaraman Sankar
Publikováno v:
Chemistry - A European Journal. 10:1423-1432
Ferrocenyl macrocyclic conjugates involving 22 pi oxasmaragdyrins and 18 pi oxacorroles have been synthesized and characterized. The direct covalent linkage of the ferrocenyl moiety to the meso position of the macrocycle is achieved by simple oxidati
Autor:
Venkataramanarao G. Anand, Tavarekere K. Chandrashekar, Simi K. Pushpan, Sundararaman Venkatraman
Publikováno v:
Journal of Chemical Sciences. 115:711-720
Expanded porphyrins containing seven pyrrole/heterocyclic rings linked in a cyclic fashion are termed heptaphyrins. The number ofπ-electrons in heptaphyrins depends on the number ofmeso carbon bridges used to link the heterocyclic rings, accordingly
Autor:
Simi K. Pushpan, Sundararaman Venkatraman, Tavarekere K. Chandrashekar, Jeyaraman Sankar, Harapriya Rath, Venkataramanarao G. Anand
Publikováno v:
Journal of Chemical Sciences. 114:311-338
Porphyrins and metallopophyrins have attracted the attention of chemists for the past 100 years or more owing to their widespread involvement in biology. More recently, synthetic porphyrins and porphyrin-like macrocycles have attracted the attention
Autor:
Venkataramanarao G. Anand, Sundararaman Venkatraman, Tavarekere K. Chandrashekar, Seenichamy Jeyaprakash Narayanan
Publikováno v:
Journal of Porphyrins and Phthalocyanines. :403-409
Syntheses, characterization and spectroscopic studies of meso-mesityl substituted rubyrins are reported. Specifically, it has been shown that these rubyrins behave differently from the meso-phenyl containing rubyrins in their structure. 1 H NMR studi
Autor:
Alagar Srinivasan, A. K. Gupta, Venkataramanarao G. Anand, Tavarekere K. Chandrashekar, K Pushpan Simi, Sundararaman Venkatraman
Publikováno v:
Tetrahedron Letters. 42:3391-3394
The synthesis and characterization of new aromatic 26π macrocycles obtained from the acid catalyzed 4+3 coupling reaction of core modified tripyrrane and tetrapyrrane are described.
Core-Modified Hexaphyrins; Characterization of Two- and Four-Ring Inverted 26 π Aromatic Macrocycles
Autor:
Uwe Schilde, Sundararaman Venkatraman, Bhawani S. Joshi, Mathias O. Senge, C. L. Khetrapal, Harapriya Rath, Venkataramanarao G. Anand, Jeyaraman Sankar, Tavarekere K. Chandrashekar
Publikováno v:
Organic Letters. 5:3531-3533
[reaction: see text] Synthesis and structural characterization of aromatic core-modified 26 pi hexaphyrin analogues are reported.
Autor:
Venkataramanarao G. Anand, Simi K. Pushpan, Tavarekere K. Chandrashekar, Sundararaman Venkatraman, Jeyaraman Sankar
Publikováno v:
ChemInform. 33
Successful syntheses of two new aromatic core modified oxybenziporphyrins by a simple '3 + 1' methodology and the first aromatic core modified oxybenziporphyrin palladium complex are reported.
Autor:
Sundararaman Venkatraman, Tavarekere K. Chandrashekar, Bashyam Sridevi, Suhash R. Dey, Seenichamy Jeyaprakash Narayanan, Venkataramanarao G. Anand
Publikováno v:
Synlett. 2000:1834-1836
Synthesis of porphyrins containing one to four ferrocenyl groups on the meso carbons is reported.
Publikováno v:
Angewandte Chemie (International ed. in English). 46(13)