Effect of a Strategically Positioned Methoxy Substituent on the Photochemistry of 3-Aryl-3H-1-Oxacyclopenta[l]Phenanthren-2-Ones | Zendy

Roshini K. Thumpakara | Zendy; Binoy Jose | Zendy; Perupparampil A. Unnikrishnan | Zendy; Sreedharan Prathapan | Zendy; Nigam P. Rath | Zendy

Open Access

Effect of a Strategically Positioned Methoxy Substituent on the Photochemistry of 3-Aryl-3H-1-Oxacyclopenta[l]Phenanthren-2-Ones

Author(s) -

Roshini K. Thumpakara,

Binoy Jose,

Perupparampil A. Unnikrishnan,

Sreedharan Prathapan,

Nigam P. Rath

Publication year - 2010

Publication title -

organic chemistry international

Language(s) - English

Resource type - Journals

eISSN - 2090-2018

pISSN - 2090-200X

DOI - 10.1155/2010/764185

Subject(s) - decarbonylation , chemistry , aryl , substituent , phenanthrene , singlet state , photochemistry , medicinal chemistry , stereochemistry , organic chemistry , catalysis , excited state , alkyl , physics , nuclear physics

Irradiation of 3-methoxy-3-aryl-3H-1-oxacyclopenta[l]phenanthren-2-one derivatives 5a–d resulted in singlet-mediated decarbonylation reaction leading to the formation of phenanthrene derivatives 9a–d. The structure of the photoproduct was unequivocally established on the basis of X-ray crystallographic analysis

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