P Bhyrappa
Articles written in Journal of Chemical Sciences
Volume 102 Issue 3 June 1990 pp 418-462
Abstracts of posters presented at the symposium
Bhaskar G Maiya S M S Chauhan P Bhyrappa V Krishnan P K Bhardwaj Sabyasachi Sarkar Krishna B Pandeya Pavan Mathur Akhil R Chakravarty Birinchi K Das Digambar V Behere Sandeep Modi Samaresh Mitra Sandeep Modi Digambar V Behere Samaresh Mitra Anil Saxena Sandeep Modi Digambar V Behere S Mitra Shyamalava Mazumdar Okhil K Medhi Samaresh Mitra Shyamalava Mazumdar Samaresh Mitra Anup Madan Sandeep Modi Anil Saxena Digamber V Behere S Mitra T Pandiyan M Palaniandavar K L Narayanan H Manohar R Ramaraj C C Thomas S Rajagopal T Rajendra C Srinivasan P Ramamurthy R Roy M C Saha S Panchanan P S Roy C Balagopalakrishna M V Rajasekharan B V Agarwala S Hingorani G A Nagena Gowda Y S Ramaswamy R Halesha N M N Gowda G K N Reddy G C Saxena K L Gupta P Srivastava V D Gupta M Ray R N Mukherjee R N Mohanty K C Dash Ramesh Kapoor S Yadav V Sood P Kapoor B N Anand R Bains Usha K Aggarwal P Garge R Chikate S Padhye J M Savariault P De Loth J P Tuchgues V K Jain M A Vaidya S C Jain S Kalyan Kumar Harkesh B Singh K M Mangaonkar D N Patkar N K Jha Pankaj Sharma S K Date C E Deshpande S D Sathaye S B Deshpande H S Potdar V S Darshane A C Dash R K Nanda N N Das S Gangopadhyay P Banerjee S K Kulshreshtha P S Zacharias N Arulsamy T Ramasami V Subramanian B U Nair M Kanthimathi G Sundararajan V Shivasubramanian R G Bhattacharya S Biswas J Armstrong E M Holt A P Koley
Volume 112 Issue 3 June 2000 pp 360-360
Perbrominated 2-nitro-tetraphenylporphyrins: Synthesis, characterisation and properties
Volume 118 Issue 5 September 2006 pp 393-397
P Bhyrappa M Sankar B Varghese P Bhavana
Volume 122 Issue 2 March 2010 pp 233-238 Full Papers
Crystal structure of 2,3,12,13-tetrabromo-5,10,15,20-tetrakis(4-butyloxy phenyl)porphinato copper(II) tetrahydrofuran solvate was examined and it features enhanced non-planar distortion of the porphyrin ring. The normal coordinate structural decomposition (NSD) analysis for the out-of-plane displacement of atoms of the macrocyclic ring in CuT(4-C$_n$P)PBr4 ($n = 4, 6$) indicates mainly saddled distortion combined with small contribution from wave conformation. The electrochemical studies on MT (4-C$_n$P)PBr4 (M = 2H, Cu(II), Zn(II)) revealed cathodic shift in redox potentials in contrast to the corresponding brominated porphyrins, MTPPBr4. This is perhaps due to non-planarity of the porphyrin ring and the positive inductive effect of the alkyloxy groups.
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