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Effect of Substituents and of Wavelength of Irradiation on the Photo‐ Fries ‐Rearrangement of Enol‐Esters Preliminary Communication
Author(s) -
Veierov Dan,
Bercovici Tuvia,
Fischer Ernst,
Mazur Yehuda,
Yogev Am
Publication year - 1975
Publication title -
helvetica chimica acta
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.74
H-Index - 82
eISSN - 1522-2675
pISSN - 0018-019X
DOI - 10.1002/hlca.19750580430
Subject(s) - chemistry , fries rearrangement , enol , irradiation , photochemistry , wavelength , keto–enol tautomerism , medicinal chemistry , organic chemistry , catalysis , optoelectronics , physics , nuclear physics
Enol‐esters 1a‐1e undergo clean Photo‐ Fries ‐rearrangements without side reactions. With anthroyl derivatives the reaction is observed only at 254 nm, not at 366 nm.