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All characteristic times are given, discussed and compared to a previous publication concerning the close molecule substituted with phenyl rings. (Hamdi et\u2005al., PCCP, 2016). Apart from the expected photocyclization process, condensed ring by\u2010product formation is observed and hypotheses concerning the origin of this by\u2010product are presented.<\/jats:p>","DOI":"10.1002\/cphc.202000516","type":"journal-article","created":{"date-parts":[[2020,9,16]],"date-time":"2020-09-16T03:33:39Z","timestamp":1600227219000},"page":"2223-2229","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":9,"title":["Cyclization Dynamics and Competitive Processes of Photochromic Perfluorocyclopentene Dithienylethylene in Solution"],"prefix":"10.1002","volume":"21","author":[{"given":"Ismail","family":"Hamdi","sequence":"first","affiliation":[{"name":"Univ. 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