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Examples of Hula‐Twist in Photochemical cis – trans Isomerization
Author(s) -
Liu Robert S. H.,
Hammond George S.
Publication year - 2001
Publication title -
chemistry – a european journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.687
H-Index - 242
eISSN - 1521-3765
pISSN - 0947-6539
DOI - 10.1002/1521-3765(20011105)7:21<4536::aid-chem4536>3.0.co;2-n
Subject(s) - isomerization , photoisomerization , chromophore , photochemistry , twist , chemistry , supramolecular chemistry , mechanism (biology) , catalysis , molecule , organic chemistry , physics , geometry , mathematics , quantum mechanics
Liu and Hammond recently reasoned that the hula‐twist (HT), a volume‐conserving cis–trans isomerization mechanism, is involved in reactions of confined systems. We now show that HT can be applied to various reported photochemical isomerization of chromophores (small organic systems as well as photoactive bio‐pigments). The results, when taken as a whole, argue powerfully that HT is a common supramolecular photoisomerization reaction mechanism.