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Studien auf dem Gebiet der Naturstoffchemie, 71. Psoralen und Angelicin durch Umsetzung von 7‐Hydroxycumarin mit 4‐Chlor‐1,3‐dioxolan‐2‐on
Author(s) -
Reisch Johannes,
Mester Iuliu
Publication year - 1979
Publication title -
chemische berichte
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.667
H-Index - 136
eISSN - 1099-0682
pISSN - 0009-2940
DOI - 10.1002/cber.19791120447
Subject(s) - psoralen , chemistry , umbelliferone , furocoumarins , organic chemistry , coumarin , photochemistry , dna , biochemistry
Studies on the Field of Natural Products Chemistry, 71. Psoralen and Angelicin by Reaction of 7‐Hydroxycoumarin with 4‐Chloro‐1,3‐dioxolan‐2‐one Direct condensation of umbelliferone ( 1 ) with 4‐chloro‐1,3‐dioxolan‐2‐one ( 2 ) yields 15% psoralen ( 3 ) and 20% angelicin ( 4 ).