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Photochemical Behaviour of Cyclopropa[c]Chromenes in Alcohols
Author(s) -
Jackson B.,
Hug R.,
Hansen H.J.,
Schmid H.
Publication year - 1972
Publication title -
israel journal of chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.908
H-Index - 54
eISSN - 1869-5868
pISSN - 0021-2148
DOI - 10.1002/ijch.197200039
Subject(s) - chemistry , mercury (programming language) , phenols , mercury vapor lamp , photochemistry , medicinal chemistry , alkoxy group , irradiation , high pressure , organic chemistry , physics , alkyl , optoelectronics , engineering physics , computer science , nuclear physics , engineering , programming language
Cyclopropa[c] chromenes (VI, VII, VIII, IX) on irradiation with a mercury high‐pressure or low‐pressure lamp in alcoholic solutions (MeOH, EtOH, i‐PrOH) are transformed into the corresponding 2‐(1′‐alkoxy‐but‐3′‐enyl)‐phenols (cf. X, XI, trans. and cis ‐XII). Possible mechanisms of this photoreaction are discussed.