Articles written in Journal of Chemical Sciences
Volume 101 Issue 5 October 1989 pp 391-399 Organic
4,5-Diaryl-Δ4-imidazolin-2-ones undergo conversion to 2,2-dialkoxy-4,5-diaryl-Δ4-imidazolines by a characteristic solvent interaction of the carbonyl group on irradiation in alcoholic solvents. The photochemical oxidative cyclization of the stilbene system in these compounds to the corresponding phenanthrene derivatives does not occur under the usual conditions. Acidic conditions hinder the ketal formation of the carbonyl group and favour the oxidative dehydrocyclization reaction to the phenanthrene derivatives. These reactions have been found to be general to the 4,5-diaryl-Δ4-imidazolin-2-ones and plausible mechanistic pathways have been suggested for the two different selective reactions.
Volume 104 Issue 6 December 1992 pp 762-790
J Basu K K Rohatgi-Mukherjee S Chatterjee S Sarkar S N Bhattacharyya G K Dasmahapatra Thomas Wolff Gunther Von Bunau S N Dhawan Dipankar Sen Subhash Ch Bera S C Gupta N S Yadav Manabendra Sahu Manjubikash Saha V Masilamani D Sastikumar Pradipta Kumar Behera Ashok Kumar Mishra S Muthusamy V T Ramakrishnan P Ramamurthy S Sampath R Narayan M C Durai Manickam C Srinivasan K Pitchumani M Roja S Rajagopal Reba Ray Samaresh Mukherjee A Samanta E Natarajan S Selvaraj P Natarajan S S Talwar K Viswanathan P Natarajan Aruna Dhathathreyan K S Dhathathreyan Basanti Biswal Pill-Soon Song S Das M Muneer A Haridas V B Manilal R Jayakumar T Ramasami M Julliard M Chanon P N Joshi U C Biswal C L Joshy E Purushothaman Bhaskar G Maiya S Ganesan B Nagarajan V Narayanan Prasanna Mohanty V Shubin S D S Murthy N V Karapetyan R Ramaraj K V Gobi V Gomathi Sankareswari S Ranganayaki K Bahadur Sajal Kumar H R Sonawane D G Kulkarni N R Ayyangar N Sukumar T V Venkitachalam A S Rao S I Ali Harpal Kaur V Anbalagan T S Srivastava Awadhesh Kumar P K Chowdhury K V S Rama Rao J P Mittal N Balasubramanian S Balasubramanian G B Dutt S Doraiswamy Bidyut Kumar Manna K K Rohatgi-Mukherjee A Chandra B Bagchi S Arunachalam J R Devadason T Dhanasekaran K Joseph Prabahar Lizamma Mathew V Ramakrishnan J Rajaram V R S Rao P Narayanan V N Sivasankara Pillai K I Priyadarsini T Rajendran M Palaniandavar M Kaneko A Kira M S Sidhu Arti Chopra Barinder Gill Thomas Baby V P N Nampoori
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