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Evaluating Thiourea Architecture for Intramolecular [2+2] Photocycloaddition of 4‐Alkenylcoumarins
Author(s) -
Vallavoju Nandini,
Selvakumar Sermadurai,
Jockusch Steffen,
Prabhakaran Manoj Thathamkulam,
Sibi Mukund P.,
Sivaguru Jayaraman
Publication year - 2014
Publication title -
advanced synthesis and catalysis
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.541
H-Index - 155
eISSN - 1615-4169
pISSN - 1615-4150
DOI - 10.1002/adsc.201400677
Subject(s) - thiourea , chemistry , intramolecular force , catalysis , photochemistry , substrate (aquarium) , excited state , organic chemistry , ecology , physics , nuclear physics , biology
The efficiency of [2+2] photocycloadditions of 4‐alkenylcoumarins was evaluated with various thiourea skeletons to develop thiourea‐based catalysts for promoting photochemical reactions. Our results indicate that the excited state chemistry is dependent on the nature of the thiourea catalyst employed to activate the photoactive substrate.