Taming the excited state reactivity of imines - from non-radiative decay to aza Paternò-Büchi reaction

This review highlights the excited state characteristics of imines and processes that govern their photochemical and photophysical properties. This review examines the pathways for deactivation and types of photochemical reactions that originate from excited imines. This review also features recent...

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Published inChemical Society reviews Vol. 5; no. 3; pp. 1617 - 1641
Main Authors Kandappa, Sunil Kumar, Valloli, Lakshmy Kannadi, Ahuja, Sapna, Parthiban, Jayachandran, Sivaguru, J
Format Journal Article
LanguageEnglish
Published England 15.02.2021
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Summary:This review highlights the excited state characteristics of imines and processes that govern their photochemical and photophysical properties. This review examines the pathways for deactivation and types of photochemical reactions that originate from excited imines. This review also features recent strategies that are developed to circumvent the fundamental issues that have plagued the development of the aza Paternò-Büchi reaction. This review highlights the excited state characteristics of imines and processes that govern their photochemical and photophysical properties.
Bibliography:The authors dedicate this review to Prof. K. K. Balasubramanian, Professor emeritus, Indian Institute of Technology, Madras (IIT-Madras) on the occasion of his 80th birthday. Prof. Balasubramanian is an inspiring mentor who has motivated scholars around the world with his research and teaching.
Dr Sapna Ahuja received her BSc (Hons.) and MSc (Hons.) in Chemistry from Panjab University, India (2015). She joined the research group of Prof. Jayaraman Sivaguru in 2015 and received her doctoral degree in 2020. For her doctoral work, Sapna received the McMaster Fellowship. Her thesis work is titled "Uncovering new excited state reactivity through molecular restrictions". She is currently pursuing her post-doctoral studies at the University of Pennsylvania under the guidance of Prof. Sergei Vinogradov.
Prof. Jayaraman Sivaguru (Siva) is the Antonia and Marshall Wilson Professor of Chemistry and the Associate Director, Center for Photochemical Sciences at BGSU. His research encompasses both basic and applied aspects of photochemistry. His recognitions include NSF CAREER award (2008), Grammaticakis-Neumann Prize Swiss Chemical Society (2010), young-investigator awards from Inter-American Photochemical Society (2011) and Sigma-Xi (2012). He was a visiting young professor (Global-Centre for-Excellence) at Osaka University, Japan and PIFI-visiting fellow of the Chinese Academy of Sciences. He serves as the American editor for Journal of Photochemistry and Photobiology-A: Chemistry, and as the co-editor-in-chief of Journal of Photochemistry and Photobiology.
Dr Sunil Kumar Kandappa received his Masters in Applied Chemistry from Mangalore University, India (2009). After working as a project assistant at JNCASR, India, he joined the research group of Prof. Jayaraman Sivaguru in 2014 and received his doctoral degree in 2019. For his doctoral work, Sunil was awarded the McMaster Fellowship. His thesis work is titled "Light as a reagent for chemical reactions-Uncovering the new reactions from the excited state". He is currently pursuing his post-doctoral work with Prof. Mark E. Thompson at University of Southern California.
Ms Lakshmy Kannadi Valloli received her BS-MS in Chemistry from Indian Institute of Science Education and research, Thiruvananthapuram, India (2018). She joined the group of Prof. Jayaraman Sivaguru at BGSU in 2018 and is working towards her doctoral degree. Her research focuses on developing new and novel excited state photochemical transformations, photocatalytic reactions and evaluation of photophysical characteristics of compounds to understand their chemical reactivity.
Mr Jayachandran Parthiban received his MSc degree in Chemistry from Madras Christian college, India (2011). He spent 2 years in Academia Sinica, Taiwan. He joined the research group of Prof. Jayaraman Sivaguru at BGSU in 2019 and is working towards his doctoral degree. His research is focused on developing new catalytic methods for photochemical transformations and developing new materials for optical applications and eye protection as well as understanding excited state phenomenon using photophysical methods.
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ISSN:0306-0012
1460-4744
DOI:10.1039/d0cs00717j